SU(C)W Series Instr Manual Datasheet by Cosel USA, Inc.

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CD‘EL \ Basic Characteristics Data
SU.SUC/SUT-46
*1 Refer to Instruction Manual.
*
The value of input current is measured at rated input and load.
Model
SU/SUC1R5
SU/SUC3
SU/SUC6
SU/SUC10 250-300
230-1950
200-1400
350-1900
frequency
Switching
Circuit method
Flyback converter
Flyback converter
Flyback converter
Flyback converter
[A]
Inputcurrent
operation availability
*1
*1
*1
*1
Series/Parallel
Parallel
operation
PCB/Pattern
-
-
-
current
protection
Inrush
-
Material
Yes
Yes
Yes
Yes
Double
sidedsided
Single
Yes
Yes
Yes
Yes
Series
operation
Basic Characteristics Data
[kHz]
glassfabric base,epoxyresin
Referto Table1,2
Referto Table1,2
Referto Table1,2
Referto Table1,2
glassfabric base,epoxyresin
glassfabric base,epoxyresin
glassfabric base,epoxyresin
SUT3
SUT6
SUT10 250-300
230-1950
200-1400
Flyback converter
Flyback converter
Flyback converter
*1
*1
*1
-
-
-
Yes
Yes
Yes
Yes
Yes
YesReferto Table1,2
Referto Table1,2
Referto Table1,2
glassfabric base,epoxyresin
glassfabric base,epoxyresin
glassfabric base,epoxyresin
(reference)
0.25
0.15
0.08
0.04
10W
6W
3W
1.5W
0.490.982.41
Input Voltage
0.62
0.32
0.16
1.32
0.78
0.41
0.31
0.16
0.08
5V 12V 24V 48V
Output
Power
Table1 (SUS*** +5V output)
10W
6W
3W
1.5W
Input Voltage
5V 12V 24V 48V
Output
Power
Table2 (SUW*** t12V output)
[A]
[A]
0.26
0.15
0.08
0.04
0.521.052.51
0.59
0.33
0.17
1.54
0.82
0.43
0.29
0.17
0.09
Basic Characteristics Data
— 1 CD$EL 1O 11 12
DC-DC Converters PCB Mount Type
SU.SUC/SUT-47
Instruction Manual
1
Pin Terminal Configuration
SU.SUC/SUT-48
4
Series/Parallel Operation
SU.SUC/SUT-51
4.1 Series Operation
4.2 Redundancy Operation
5
Input Voltage/Current Range
SU.SUC/SUT-51
SU.SUC/SUT-51
SU.SUC/SUT-51
2 Functions
SU.SUC/SUT-48
3
Wiring to Input/Output Pin Terminals
SU.SUC/SUT-50
2.1 Input Voltage Range
2.2 Overcurrent Protection
2.3 Isolation
2.4
Output Voltage Adjustment Range
2.5 Remote ON/OFF
SU.SUC/SUT-48
SU.SUC/SUT-48
SU.SUC/SUT-48
SU.SUC/SUT-49
SU.SUC/SUT-49
6.1 Installation
6.2 Automatic Mounting
6.3 Hand Mounting
6.4 Soldering Conditions
6.5 Stress to Pin Terminals
6.6 Cleaning
SU.SUC/SUT-51
SU.SUC/SUT-52
SU.SUC/SUT-52
SU.SUC/SUT-52
SU.SUC/SUT-52
SU.SUC/SUT-53
6
Assembling and Installation
SU.SUC/SUT-51
7 Safety Standards
SU.SUC/SUT-53
8Derating
SU.SUC/SUT-54
9
Peak Current (Pulse Load)
SU.SUC/SUT-59
8.1 SU/SUC1R5 Derating Curve
8.2 SU/SUC3 Derating Curve
8.3 SU/SUC6 Derating Curve
8.4 SU/SUC10 Derating Curve
8.5 SUT3 Derating Curve
8.6 SUT6 Derating Curve
8.7 SUT10 Derating Curve
SU.SUC/SUT-54
SU.SUC/SUT-54
SU.SUC/SUT-55
SU.SUC/SUT-56
SU.SUC/SUT-57
SU.SUC/SUT-57
SU.SUC/SUT-58
10
Using DC-DC Converters
SU.SUC/SUT-59
11 Options
SU.SUC/SUT-60
12
Delivery Package Information
SU.SUC/SUT-61
11.1 Outline of Options
SU.SUC/SUT-60
SU.SUC/SUT-47
CD‘EL \ —
¿Single Output
¿Dual(±)Output
1
Pin Terminal Configuration
2 Functions
¿Case Connecting Pin Terminal
Units come with a case connecting pin terminal. If this pin ter-
minal is connected to -Vin, radiation noise from the main body
decreases. Solder the case connecting pin terminal to PCB to
improve reliability.
2.1 Input Voltage Range
¡If output voltage value doesn’t fall within specifications, a unit may
not operate in accordance with specifications and/or fail.
2.2 Overcurrent Protection
¡Overcurrent Operation
An overcurrent protection circuit is built-in and activated over
105% of the rated current or above. It prevents the unit from short
circuit and overcurrent for less than 20 seconds. The unit auto-
matically recovers when the fault condition is removed.
¡Current Foldback Characteristic
If a model that has a current foldback characteristic is connected
to a non-linear load such as lamp or motor, or to a constant cur-
rent load, it may not start up. Please see the characteristics be-
low.
2.3 Isolation
¡When you run a Hi-Pot test as receiving inspection, gradually in-
crease the voltage to start. When you shut down, decrease the
voltage gradually by using a dial. Please avoid a Hi-Pot tester
with a timer because, when the timer is turned ON or OFF, it may
generate a voltage a few times higher than the applied voltage.
¡In the case of use in locations exposed to constant voltage be-
tween the input and the output of the unit is applied, please con-
tact us.
DC-DC Converters PCB Mount Type Instruction Manual
Pin No. Pin Terminal
Name Function
1+Vin +DC Input
2RC Remote ON/OFF (excluding 1R5)
3-Vin -DC Input
4+Vout +DC Output
5COM GND of Output Voltage (for Dual Output)
6TRM
Output Voltage Adjustment (please see 2.4)
7-Vout -DC Output
8
Case Connecting
Pin
If connected to -Vin, a case potential becomes
fixed and radiation noise decreases (applicable
only to SUC series).
Fig.2.1 Current Foldback Characteristic
Table 1.1 Pin Terminal Configuration and Functions
Fig.1.1 Pin Configuration
8
7
6
4
3
2
1
RC Load
Input
Case Connecting Pin
View from Above
+Vin
-Vin
+Vout
-Vout
TRM
8
6
7
5
4
3
2
1
TRM
COM
RC
Load
Load
-Vout
+Vout
-Vin
+Vin
Case Connecting Pin
Input
View from Above
Load
: Characteristic of Load (Lamp, Motor or Constant
Current Load, etc.)
: Load Characteristic of Power Supply
A
V
100
Output Voltage [V]
Load Factor [%]
Note : The output may be locked out at Point A when the unit is
connected to a lamp, motor or constant current load.
12 3567
8
88
8
4
Bottom View
Table 1.2 Pin Terminal Configuration and Functions
Fig.1.2 Pin Terminal Configuration
Pin No. Pin Terminal
Name Function
1-Vin -DC Input
2RC Remote ON/OFF
3+Vin +DC Input
4+Vout +DC Output
5
NC (Single output)
COM (Dual output)
GND of Output Voltage
6TRM Output Voltage Adjustment
7-Vout -DC Output
8
Case Connecting
Pin
If connected to -Vin, a case potential becomes
fixed and radiation noise decreases.
SU.SUC/SUT-48
CO‘EL \
2.4 Output Voltage Adjustment Range
¡The output voltage is adjustable through an external potentiom-
eter. Adjust only within the range of ±5% of the rated voltage.
¡To increase the output voltage, turn the potentiometer clockwise
and connect in such a way that the resistance value between 2
and 3 becomes small.
To decrease the output voltage, turn the potentiometer counter-
clockwise.
¡Please use a wire as short as possible to connect to the potenti-
ometer and connect it from the pin terminal on the power supply
side. Temperature coefficient deteriorates when some types of
resistors and potentiometers are used. Please use the following
types.
Resistor
..............
Metal Film Type, Temperature Coefficient of
±
100ppm/C or below
Potentiometer...
Cermet Type, Temperature Coefficient of
±
300ppm/C or below
¡If output voltage adjustment is not required, open the pin terminal
TRM.
¡In the case of dual output, ±voltages are adjusted simultaneously.
2.5 Remote ON/OFF (Excluding 1R5)
¡You can turn the power supply ON or OFF without turning the in-
put power ON or OFF through the pin terminal RC.
(1) SU/SUC3/SUT3 and SU/SUC6/SUT6
¡The output of the power supply turns ON when the pin terminal
RC is connected to the pin terminal -Vin. When the voltage of the
pin terminal RC is between 2.0 to 9.0V, the output of the power
supply goes OFF.
¡When the voltage of the pin terminal RC is between 0.3 to 2.0V,
the output voltage value may be an uncertain value which is less
than the rated voltage.
¡Please see the following diagram for how to use the pin terminal
RC.
¡Please keep the voltage level of the pin terminal RC (VRC) at 9.0V
or below.
¡If you do not use the Remote ON/OFF function, please short out
between the pin terminals RC and -Vin to prevent malfunction.
(2) SU/SUC10/SUT10
¡The output of the power supply turns ON when the pin terminal
RC is connected to the pin terminal -Vin. When the pin terminal
RC is open or the voltage of the pin terminal RC is between 2.4 to
7.0 V, the output of the power supply goes OFF.
¡When the voltage of the pin terminal RC is between 1.2 to 2.4V,
an output voltage value may be an uncertain value which is less
than the rated voltage.
¡Please see the following diagram for how to use the pin terminal
RC.
¡When the pin terminal RC is at the ”Low” level, outflowing current
is 0.5mA typ. When Vcc is used, please make sure that the volt-
age of Vcc is 7.0V or less.
¡If you do not use the Remote ON/OFF function, please short out
between the pin terminals RC and -Vin.
DC-DC Converters PCB Mount Type Instruction Manual
Table 2.1 List of External Devices
Fig.2.2 Connecting External Devices
Fig.2.3 Internal Circuits of Remote ON/OFF
Table 2.2 Specification of Remote ON/OFF
Voltage Level of the pin terminal RC (VRC)
SU/SUC3/SUT3, SU/SUC6/SUT6 Output
Open or Short or 0V[VRC[0.3V ON
2.0V[VRC[9.0V OFF
Table 2.3 Specification of Remote ON/OFF
Voltage Level of the pin terminal RC (VRC)
SU/SUC10/SUT10 Output
Short or 0V[VRC[1.2V ON
Open or 2.4V[VRC[7.0V OFF
Fig.2.4 Examples of Using an External Remote ON/OFF Circuit
R2
External Resistor
External VR
R1
External Resistor
Output
TRM
-Vout
+Vout
3
1
2
Load
Item # Output Voltage
Constant of External Device [W]
(Adjustable within ±5%)
VR R1 R2
1 3.3V 1K 100 100
2 5V 1K 100 270
3 12V 5K 10K 1.2K
4 15V 5K 10K 470
5 ±12V 5K 18K 470
6 ±15V 5K 18K 470
-Vin
+Vin
RC
2.2K
47K
External
Circuit Control
Circuit
Fig.2.5 Examples of Using an External Remote ON/OFF Circuit
or
Relay
or
TransistorIC
-Vin
Vcc
RC
-Vin
+Vin
RC
-Vin
+Vin
RC
-Vin
+Vin
RC
Input 5V Input 12V Input 24, 48V
SU.SUC/SUT-49
CD‘EL \ — % : W
3 Wiring to Input/Output
Pin Terminals
¡Basically, SU/SUC/SUT series do not need any external capaci-
tor. However, you can create a P-shaped filter circuit by adding a
capacitor Ci near the input pin terminal and reduce reflected input
noise from a converter. Please connect the capacitor as needed.
¡When you use a capacitor Ci, please use the one with high fre-
quency and good temperature characteristics.
¡If the power module is to be turned ON/OFF directly with a switch,
inductance from the input line will induce a surge voltage several
times that of the input voltage and it may damage the power mod-
ule. Make sure that the surge is absorbed, for example, by con-
necting an electrolytic capacitor between the input pins.
¡If an external filter containing L (inductance) is added to the input
line or a wire from the input source to the DC-DC converter is
long, not only the reflected input noise becomes large, but also
the output of the converter may become unstable. In such case,
connecting Ci to the input pin terminal is recommended.
¡If you use an aluminum electrolytic capacitor, please pay attention
to its ripple current rating.
*Please adjust the capacitance in accordance with a degree of the
effect you want to achieve.
¡If a reverse polarity voltage is applied to the input pin terminal, the
power supply will fail.
If there is a possibility that a reverse polarity voltage is applied,
connect a protection circuit externally as described below.
(a)
(b)
¡Basically, SU/SUC/SUT series do not need any external capaci-
tor. However, if you want to further reduce the output ripple noise,
connect an electrolytic capacitor or a ceramic capacitor Co to the
output pin terminal as shown below.
*If you use a ceramic capacitor, keep the capacitance within the
range between about 0.1 to 10 F.
*Please adjust the capacitance in light of the effect you want to
achieve.
*If you need to use an external capacitor whose capacitance ex-
ceeds the range provided in Table 3.2, please contact us.
¡If the distance between the output and the load is long and there-
fore the noise is created on the load side, connect a capacitor
externally to the load as shown below.
DC-DC Converters PCB Mount Type Instruction Manual
Fig.3.1 Connecting an External Capacitor to the Input Side
Schottky barrier diode generates a power loss
of input current multiplied by forward voltage.
Model
Input Voltage(V)
SU/SUC1R5
SU/SUC3/SUT3 SU/SUC6/SUT6
SU/SUC10/SUT10
5 10 - 100 10 - 220 10 - 470 10 - 470
12 10 - 47 10 - 100 10 - 220 10 - 220
24 10 - 33 10 - 47 10 - 100 10 - 100
48 4.7 - 10 10 - 22 10 - 47 10 - 47
Ci
L
-Vin
+Vin
Input
Table 3.1 Recommended Capacitance of an External Capacitor on the Input Side [ F]
Input
Schottky Barrier Diode
+Vin
-Vin
Fuse
Input
+Vin
-Vin
Schottky Barrier
Diode
Fig.3.2 Connecting a Reverse Voltage Protection Circuit
Co
Co
Co
COM
Load
Load
Load
SUW/SUCWSUS/SUCS
+Vout
-Vout
-Vout
+Vout
Fig.3.3 Connecting Example of an External Capacitor to the Output Side
Model
Output Voltage(V)
SU/SUC1R5
SU/SUC3/SUT3 SU/SUC6/SUT6
SU/SUC10/SUT10
3.3 1 - 100 1 - 220 1 - 220 1 - 220
5 1 - 100 1 - 220 1 - 220 1 - 220
12 1 - 100 1 - 100 1 - 100 1 - 100
15 1 - 100 1 - 100 1 - 100 1 - 100
Table 3.2 Recommended Capacitance of External Capacitor on the Output Side [ F]
Load
Input
+Vin
-Vin
+Vout
-Vout
SU.SUC/SUT-50
CD‘EL \ —
4 Series/Parallel
Operation
5 Input Voltage/
Current Range
4.1 Series Operation
¡You can use the power supplies in series operation by wiring as
shown below. In the case of (a) below, the output current should
be lower than the rated current of a power supply with the lowest
rated current among power supplies that are serially connected.
Please make sure that no current exceeding the rated current
flows into a power supply.
(a)
(b)
4.2 Redundancy Operation
¡You can use the power supplies in redundancy operation by wiring
as shown below.
¡Even a slight difference in output voltage can affect the balance
between the values of I1 and I2.
Please make sure that the value of I3 does not exceed the rated
current of a power supply.
¡If you use a non-regulated power source for input, please check
and make sure that its voltage fluctuation range and ripple voltage
do not exceed the input voltage range shown in specifications.
¡Please select an input power source with enough capacity, taking
into consideration of the start-up current (Ip), which flows when a
DC-DC converter starts up.
6
Assembling and Installation
6.1 Installation
¡You can install the units in any direction. Place them in such a
way that there is enough ventilation so that heat does not get ac-
cumulated around them.
¡Do not place a rand or a pattern layout in the hatched area shown
in Fig. 6.1, 6.2. Doing so may cause insulation failure on the PCB
surface on which the power supply is mounted.
DC-DC Converters PCB Mount Type Instruction Manual
D1 - D4 : Use a schottky barrier diode
with low forward voltage.
D1, D2 : Use a schottky barrier diode
with low forward voltage.
Fig.4.1 Series Operation
Fig.4.2 Redundancy Operation
I3 [ Rated Current Value
Ip
Input Current [A]
Input Voltage [V]
Input Voltage Range
Fig.5.1 Input Current Characteristics
A A
+Vout
-Vout
+Vin
-Vin
Outer Contour
of the Unit
Fig.6.1 Area where Pattern Layout should not be Placed for SU/SUC
A: SU Series 2mm
SUC Series 2.5mm
D2
D1
+
-
-
+
Power
Supply
Power
Supply
12V or more
Load
Power
Supply
Power
Supply D4
D2
+
-
-
+
5V or less
D1
D3
Load
Power
Supply
Power
Supply
+
-
-
+
LoadLoad
Power
Supply
Power
Supply
I2
1
3
+
+
-
Load
Case Connecting Pin
Outline
4.4
2.3
5.2
2.3
1.75
Fig.6.2 Area where Pattern Layout should not be Placed for SUT
SU.SUC/SUT-51
CD‘EL \ —
A1.0 - 5.0
C
/s
A’
Ty1 : 160 ±20
C
Ty2 : 180 ±20
C
Ty1 - Ty2 : 120s max
B 1.0 - 5.0
C
/s
B’ Tp : Max 245
C
10s max
Tx : 220
C
or more : 70s max
C 1.0 - 5.0
C
/s
6.2 Automatic Mounting (TYPE: BP)
¡To mount SU series automatically, use the transformer area near
the center of the PCB as a pickup point. To mount SUC series au-
tomatically, use the central area of the case as a pickup point. If
the bottom dead point of a suction nozzle is too low when mount-
ing, excessive force is applied to the transformer, which could
cause damage. Please mount carefully.
Please see the External View for details of the pickup point.
6.3 Hand Mounting (TYPE:B,C SUT)
¡To mount SU series manually, it must be push the transformer
placed center of PS.
¡To mount SUC series manually, it must be push the center of
case.
¡Due to prevent failure, PS should not be pull after soldering with
PCB.
6.4 Soldering Conditions
(1) Reflow Soldering (except SUT, SUCOOC-C)
¡Fig.6.4 shows conditions for the reflow soldering for SU/SUC
series. Please make sure that the temperatures of pin terminals
+Vin and -Vout shown in Fig.6.4 do not exceed the temperatures
shown in Fig.6.5.
¡If time or temperature of the reflow soldering goes beyond the
conditions, reliability of internal components may be compromised.
Please use the unit under the recommended reflow conditions.
¡With this reflow profile, internal solder melts down. When trans-
porting the unit within the reflow oven, please do not give vibration
to the unit.
¡Please avoid reflow soldering after applying adhesive or coating to
the unit.
¡You can reflow solder up to 2 times. Do not reflow solder when
the power supply is mounted on the back surface of the PCB be-
cause the unit may drop.
(2) Flow Soldering : 260C 15 seconds or less
(3) Soldering Iron : maximum 360C 5 seconds or less
6.5 Stress to Pin Terminals
¡If too much stress is applied to input/output pin terminals of the
power supply, internal connection may come down. If you apply
stress as shown below, please kept it at 19.6N (2kgf) or less verti-
cally.
¡Input/output pin terminals are soldered to the PCB internally. Do
not pull or bend a lead powerfully.
¡If it is expected that stress is applied to the input/output pin ter-
minals due to vibration or impact, reduce the stress to the pin
terminals by taking such measures as fixing the unit to the PCB by
silicone rubber, etc.
A part
Less than
19.6N(2kgf)
A
DC-DC Converters PCB Mount Type Instruction Manual
Fig.6.6 Strength of Input/Output Pin Terminals for SU/SUC
Fig.6.5 Recommend Reflow Soldering Conditions
+Vin
-Vout
Fig.6.4 Temperature Measuring Points when Setting Reflow Soldering Conditions
(View from Above)
(C)
time(s)
Ty1
Ty2
Tp
Tx
AA’BB’ C
19.6N(2kgf)
or less
19.6N(2kgf)
or less
19.6N(2kgf)
or less
19.6N(2kgf)
or less
Fig.6.3 Hand mounting
push push
Fig.6.7 Strength of Input/Output Pin Terminals for SUT
SU.SUC/SUT-52
CDSEL \ — WIB
7 Safety Standards
6.6 Cleaning (except SUCOOC-C)
¡If you need to clean the unit, please clean it under the following
conditions.
Cleaning Method: Varnishing, Ultrasonic or Vapor Cleaning
Cleaning agent: IPA (Solvent type)
Cleaning Time: Within total 2 minutes for varnishing, ultrasonic
and vapor cleaning
¡Please dry the unit sufficiently after cleaning.
¡If you do ultrasonic cleaning, please keep the ultrasonic output at
15W/ or below.
¡To apply for a safety standard approval using the power supply,
please meet the following conditions. Please contact us for de-
tails.
¿Please use the unit as a component of an end device.
¿The area between the input and the output of the unit is isolated
functionally. Depending upon the input voltage, basic insulation,
dual insulation or enhanced insulation may be needed. In such
case, please take care of it within the structure of your end-device.
Please contact us for details.
¡Please use the following model names when you apply for a safe-
ty standard approval.
DC-DC Converters PCB Mount Type Instruction Manual
¿SU/SUC1R5
SUS1R5053R3 SUS1R5123R3 SUS1R5243R3 SUS1R5483R3
SUS1R50505 SUS1R51205 SUS1R52405 SUS1R54805
SUS1R50512 SUS1R51212 SUS1R52412 SUS1R54812
SUS1R50515 SUS1R51215 SUS1R52415 SUS1R54815
SUW1R50512 SUW1R51212 SUW1R52412 SUW1R54812
SUW1R50515 SUW1R51215 SUW1R52415 SUW1R54815
SUCS1R5053R3 SUCS1R5123R3 SUCS1R5243R3 SUCS1R5483R3
SUCS1R50505 SUCS1R51205 SUCS1R52405 SUCS1R54805
SUCS1R50512 SUCS1R51212 SUCS1R52412 SUCS1R54812
SUCS1R50515 SUCS1R51215 SUCS1R52415 SUCS1R54815
SUCW1R50512 SUCW1R51212 SUCW1R52412 SUCW1R54812
SUCW1R50515 SUCW1R51215 SUCW1R52415 SUCW1R54815
¿SU/SUC3
SUS3053R3 SUS3123R3 SUS3243R3 SUS3483R3
SUS30505 SUS31205 SUS32405 SUS34805
SUS30512 SUS31212 SUS32412 SUS34812
SUS30515 SUS31215 SUS32415 SUS34815
SUW30512 SUW 31212 SUW32412 SUW 34812
SUW30515 SUW 31215 SUW32415 SUW 34815
SUCS3053R3 SUCS3123R3 SUCS3243R3 SUCS3483R3
SUCS30505 SUCS31205 SUCS32405 SUCS34805
SUCS30512 SUCS31212 SUCS32412 SUCS34812
SUCS30515 SUCS31215 SUCS32415 SUCS34815
SUCW30512 SUCW 31212 SUCW32412 SUCW 34812
SUCW30515 SUCW 31215 SUCW32415 SUCW 34815
¿SU/SUC6
SUS6053R3 SUS6123R3 SUS6243R3 SUS6483R3
SUS60505 SUS61205 SUS62405 SUS64805
SUS60512 SUS61212 SUS62412 SUS64812
SUS60515 SUS61215 SUS62415 SUS64815
SUW60512 SUW 61212 SUW62412 SUW 64812
SUW60515 SUW 61215 SUW62415 SUW 64815
SUCS6053R3 SUCS6123R3 SUCS6243R3 SUCS6483R3
SUCS60505 SUCS61205 SUCS62405 SUCS64805
SUCS60512 SUCS61212 SUCS62412 SUCS64812
SUCS60515 SUCS61215 SUCS62415 SUCS64815
SUCW60512 SUCW 61212 SUCW62412 SUCW 64812
SUCW60515 SUCW 61215 SUCW62415 SUCW 64815
¿SU/SUC10
SUS10053R3 SUS10123R3 SUS10243R3 SUS10483R3
SUS100505 SUS101205 SUS102405 SUS104805
SUS100512 SUS101212 SUS102412 SUS104812
SUS100515 SUS101215 SUS102415 SUS104815
SUW100512 SUW101212 SUW102412 SUW104812
SUW100515 SUW101215 SUW102415 SUW104815
SUCS10053R3 SUCS10123R3 SUCS10243R3 SUCS10483R3
SUCS100505 SUCS101205 SUCS102405 SUCS104805
SUCS100512 SUCS101212 SUCS102412 SUCS104812
SUCS100515 SUCS101215 SUCS102415 SUCS104815
SUCW100512 SUCW101212 SUCW102412 SUCW104812
SUCW100515 SUCW101215 SUCW102415 SUCW104815
¿SUT3
SUTS3053R3 SUTS3123R3 SUTS3243R3 SUTS3483R3
SUTS30505 SUTS31205 SUTS32405 SUTS34805
SUTS30512 SUTS31212 SUTS32412 SUTS34812
SUTS30515 SUTS31215 SUTS32415 SUTS34815
SUTW30512 SUTW31212 SUTW32412 SUTW34812
SUTW30515 SUTW31215 SUTW32415 SUTW34815
¿SUT6
SUTS6053R3 SUTS6123R3 SUTS6243R3 SUTS6483R3
SUTS60505 SUTS61205 SUTS62405 SUTS64805
SUTS60512 SUTS61212 SUTS62412 SUTS64812
SUTS60515 SUTS61215 SUTS62415 SUTS64815
SUTW60512 SUTW61212 SUTW62412 SUTW64812
SUTW60515 SUTW61215 SUTW62415 SUTW64815
¿SUT10
SUTS10053R3 SUTS10123R3 SUTS10243R3 SUTS10483R3
SUTS100505 SUTS101205 SUTS102405 SUTS104805
SUTS100512 SUTS101212 SUTS102412 SUTS104812
SUTS100515 SUTS101215 SUTS102415 SUTS104815
SUTW100512 SUTW101212 SUTW102412 SUTW104812
SUTW100515 SUTW101215 SUTW102415 SUTW104815
SU.SUC/SUT-53
CD‘EL \ — Pom| a (Center 01 the Case) ,,,i,Ti,i,:
(3) Temperature Measuring Points in the case of Forced Air Cool-
ing (1m/s)
1 SU1R5
¡In the case of forced air cooling, please have sufficient ventilation
to keep the temperature of point A in Fig.8.3 at 105C or below.
Please also make sure that the ambient temperature does not ex-
ceed 85C.
2 SUC1R5
¡In the case of forced air cooling, please have sufficient ventilation
to keep the temperature of point B in Fig.8.4 at 95C or below.
Please also make sure that the ambient temperature does not ex-
ceed 85C.
8.2 SU/SUC3 Derating Curve
¡If you derate the output current, you can use the unit in the tem-
perature range from -40C to the maximum temperature shown
below.
(1) In the case of Convection Cooling
8 Derating
¡It is necessary to note thermal fatigue life by power cycle.
Please reduce the temperature fluctuation range as much as pos-
sible when the up and down of temperature are frequently gener-
ated.
8.1 SU/SUC1R5 Derating Curve
¡If you derate the output current, you can use the unit in the tem-
perature range from -40C to the maximum temperature shown
below.
(1) In the case of Convection Cooling
(2) In the case of Forced Air Cooling (1m/s)
DC-DC Converters PCB Mount Type Instruction Manual
Fig.8.3 Temperature Measuring Point in the case of Forced Air Cooling
Fig.8.4 Temperature Measuring Point in the case of Forced Air Cooling
(Upper Surface of the Case)
Fig.8.5 Derating Curve for Convection Cooling (SU/SUC3)
Point A
Point B (Center of the Case)
Ambient Temperature [C]
Load Factor [%]
-40-20 020406080100
0
50
100
(85)(71)(55)
A
B
C
Output Voltage(V)
Input Voltage(V)
3.3 5 12 15 ±12 ±15
5A A B B AB
12 A A B B AB
24 A A B B AB
48 B B B B AC
Fig.8.1 Derating Curve for Convection Cooling (SU/SUC1R5)
Fig.8.2 Derating Curve for Forced Air Cooling (1m/s) (SU/SUC1R5)
Output Voltage(V)
Input Voltage(V)
3.3 5 12 15 ±12 ±15
5AAAAAA
12 AAAAAA
24 AAAAAA
48 BBBBBB
-40-20 020406080100
0
50
100
(85)(55)
A
B
Ambient Temperature [C]
Load Factor [%]
Ambient Temperature [C]
Load Factor [%]
-40-20 020406080100
0
50
100
(85)
A
Output Voltage(V)
Input Voltage(V)
3.3 5 12 15 ±12 ±15
5AAAAAA
12 AAAAAA
24 AAAAAA
48 AAAAAA
SU.SUC/SUT-54
CO‘EL \ — PomlA Pmm B Q 2‘42, my”) wflu ,, Pom| c (Center onne Case) \ 74" ’ 1
(2) In the case of Forced Air Cooling (1m/s)
(3) Temperature Measuring Points in the case of Forced Air Cool-
ing (1m/s)
1 SU3
¡In the case of forced air cooling, please have sufficient ventilation
to keep the temperature of point A in Fig.8.7 at 115C or below and
that of Point B at 120C or below.
Please also make sure that the ambient temperature does not ex-
ceed 85C.
2 SUC3
¡In the case of forced air cooling, please have sufficient ventilation
to keep the temperature of point C in Fig.8.8 at 100C or below.
Please also make sure that the ambient temperature does not ex-
ceed 85C.
8.3 SU/SUC6 Derating Curve
¡If you derate the output current, you can use the unit in the tem-
perature range from -40C to the maximum temperature shown
below.
(1) In the case of Convection Cooling
(2) In the case of Forced Air Cooling (1m/s)
DC-DC Converters PCB Mount Type Instruction Manual
Fig.8.6 Derating Curve for Forced Air Cooling (1m/s) (SU/SUC3)
Fig.8.7 Temperature Measuring Points in the case of Forced Air Cooling
Fig.8.8 Temperature Measuring Point in the case of Forced Air Cooling
(Upper Surface of the Case)
Fig.8.9 Derating Curve for Convection Cooling (SU/SUC6)
Fig.8.10 Derating Curve for Forced Air Cooling (1m/s) (SU/SUC6)
Ambient Temperature [C]
Load Factor [%]
-40-20 020406080100
0
50
100
(85)
A
B
Output Voltage(V)
Input Voltage(V)
3.3 5 12 15 ±12 ±15
5ABBBBB
12 AAAAAB
24 A A BA A B
48 AAAAAB
Point APoint B
Point C (Center of the Case)
Ambient Temperature [C]
Load Factor [%]
-40-20 020406080100
0
50
100
(85)(71)(55)
A
B
Output Voltage(V)
Input Voltage(V)
3.3 5 12 15 ±12 ±15
5 BBBBBB
12 BBBBBB
24 BBBBBB
48 B B AAAA
Ambient Temperature [C]
Load Factor [%]
-40-20 020406080100
0
50
100
(85)(75)
A
B
Output Voltage(V)
Input Voltage(V)
3.3 5 12 15 ±12 ±15
5 B B AAAA
12 B B AAAA
24 B B AAAA
48 B B AAAA
SU.SUC/SUT-55
CD‘EL \ — F1 Pom! E PounlA mm c (Center 0! the Case) Pom a (Gamer 0! «he Case)
(2) In the case of Forced Air Cooling (1m/s)
(3) Temperature Measuring Points in the case of Forced Air Cool-
ing (1m/s)
1 SU10
¡In the case of forced air cooling, please have sufficient ventilation
to keep the temperature of point A in Fig.8.15 at 105C or below.
Please also make sure that the ambient temperature does not ex-
ceed 85C.
2 SUC10
¡In the case of forced air cooling, please have sufficient ventilation
to keep the temperature of point B in Fig.8.16 at 95C or below.
Please also make sure that the ambient temperature does not ex-
ceed 85C.
(3) Temperature Measuring Points in the case of Forced Air Cool-
ing (1m/s)
1 SU6
¡In the case of forced air cooling, please have sufficient ventilation
to keep the temperature of point A in Fig.8.11 at 95C or below and
that of Point B at 115C or below.
Please also make sure that the ambient temperature does not ex-
ceed 85C.
2 SUC6
¡In the case of forced air cooling, please have sufficient ventilation
to keep the temperature of point C in Fig.8.12 at 95C or below.
Please also make sure that the ambient temperature does not ex-
ceed 85C.
8.4 SU/SUC10 Derating Curve
¡If you derate the output current, you can use the unit in the tem-
perature range from -40C to the maximum temperature shown
below.
(1) In the case of Convection Cooling
DC-DC Converters PCB Mount Type Instruction Manual
Fig.8.14 Derating Curve for Forced Air Cooling (1m/s) (SU/SUC10)
Fig.8.15 Temperature Measuring Point in the case of Forced Air Cooling
Fig.8.16 Temperature Measuring Point in the case of Forced Air Cooling
(Upper Surface of the Case)
Ambient Temperature [C]
Load Factor [%]
-40-20 020406080100
0
50
100
(85)(71)
A
B
Output Voltage(V)
Input Voltage(V)
3.3 5 12 15 ±12 ±15
5 BBBBA A
12 B B B B A A
24 B B B B A A
48 BBBBBB
Point A
Point B (Center of the Case)
Fig.8.11 Temperature Measuring Points in the case of Forced Air Cooling
Fig.8.12 Temperature Measuring Point in the case of Forced Air Cooling
(Upper Surface of the Case)
Fig.8.13 Derating Curve for Convection Cooling (SU/SUC10)
Point B Point A
Point C (Center of the Case)
Ambient Temperature [C]
Load Factor [%]
-40-20 020406080100
0
50
100
(85)(71)(55)
A
B
Output Voltage(V)
Input Voltage(V)
3.3 5 12 15 ±12 ±15
5 B AAAAA
12 B AAAAA
24 B AAAAA
48 BBBBBB
SU.SUC/SUT-56
CO‘EL \
8.5 SUT3 Derating Curve
¡If you derate the output current, you can use the unit in the tem-
perature range from -40C to the maximum temperature shown
below.
(1) In the case of Convection Cooling
(2) In the case of Forced Air Cooling (1m/s)
(3) Temperature Measuring Points in the case of Forced Air Cool-
ing (1m/s)
¡In the case of forced air cooling, please have sufficient ventilation
to keep the temperature of point A in Fig.8.19 at 100C or below.
Please also make sure that the ambient temperature does not ex-
ceed 85C.
Fig.8.18 Derating Curve for Forced Air Cooling (1m/s) (SUT3)
Output Voltage(V)
Input Voltage(V)
3.3 5 12 15 ±12 ±15
5ABBBBB
12 AAAAAB
24 A A BA A B
48 AAAAAB
Point A
Ambient Temperature [C]
Load Factor [%]
-40-20 020406080100
0
50
100
(85)(71)
A
B
DC-DC Converters PCB Mount Type Instruction Manual
Fig.8.17 Derating Curve for Convection Cooling (SUT3)
Output Voltage(V)
Input Voltage(V)
3.3 5 12 15 ±12 ±15
5A A B B AB
12 A A B B AB
24 A A B B AB
48 B B B B AC
Fig.8.19 Temperature Measuring Point in the case of Forced Air Cooling
8.6 SUT6 Derating Curve
¡If you derate the output current, you can use the unit in the tem-
perature range from -40C to the maximum temperature shown
below.
(1) In the case of Convection Cooling
(2) In the case of Forced Air Cooling (1m/s)
Output Voltage(V)
Input Voltage(V)
3.3 5 12 15 ±12 ±15
5 BBBBBB
12 B B AAAA
24 B B AAAA
48 B B AAAA
Fig.8.20 Derating Curve for Convection Cooling (SUT6)
Output Voltage(V)
Input Voltage(V)
3.3 5 12 15 ±12 ±15
5 BBBBBB
12 BBBBBB
24 BBBBBB
48 B B AAAA
Fig.8.21 Derating Curve for Forced Air Cooling (1m/s) (SUT6)
Ambient Temperature [C]
Load Factor [%]
-40-20 020406080100
0
50
100
(85)(71)(55)
A
C
B
Ambient Temperature [C]
Load Factor [%]
-40-20 020406080100
0
50
100
(85)
A
B
Ambient Temperature [C]
Load Factor [%]
-40-20 020406080100
0
50
100
(71)(55)
A
B
SU.SUC/SUT-57
chsEL \
(3) Temperature Measuring Points in the case of Forced Air Cool-
ing (1m/s)
¡In the case of forced air cooling, please have sufficient ventilation
to keep the temperature of point A in Fig.8.22 at 95C or below.
Please also make sure that the ambient temperature does not ex-
ceed 85C.
(3) Temperature Measuring Points in the case of Forced Air Cool-
ing (1m/s)
¡In the case of forced air cooling, please have sufficient ventilation
to keep the temperature of point A in Fig.8.25 at 95C or below.
Please also make sure that the ambient temperature does not ex-
ceed 85C.
Point A
Ambient Temperature [C]
Load Factor [%]
-40-20 020406080100
0
50
100
(85)(71)
A
DC-DC Converters PCB Mount Type Instruction Manual
Fig.8.22 Temperature Measuring Point in the case of Forced Air Cooling
Point A
8.7 SUT10 Derating Curve
¡If you derate the output current, you can use the unit in the tem-
perature range from -40C to the maximum temperature shown
below.
(1) In the case of Convection Cooling
(2) In the case of Forced Air Cooling (1m/s)
Output Voltage(V)
Input Voltage(V)
3.3 5 12 15 ±12 ±15
5AAAAAA
12 AAAAAA
24 AAAAAA
48 AAAAAA
Fig.8.23 Derating Curve for Convection Cooling (SUT10)
Output Voltage(V)
Input Voltage(V)
3.3 5 12 15 ±12 ±15
5 C C A A C C
12 B AAABA
24 C C C C C B
48 CCCCCC
Fig.8.24 Derating Curve for Forced Air Cooling (1m/s) (SUT10)
Fig.8.25 Temperature Measuring Point in the case of Forced Air Cooling
Ambient Temperature [C]
Load Factor [%]
-40-20 02040506080100
0
50
100
(71)(55)
A
B
C
SU.SUC/SUT-58
9 Peak Current
(Pulse Load)
10 Using DC-DC
Converters
¡If a load connected to a converter is a pulse load, you can provide
a pulse current by connecting an electrolytic capacitor externally
to the output side.
¡The average output current lav is expressed in the following for-
mula.
¡Required electrolytic capacitor C can be obtained from the follow-
ing formula.
¡To Operate a Linear IC from 5V Output Power Supply
¡When Using a Non-regulated Power Source
¡When Using a Battery-operated Device
¡When a Floating Mechanism is Required for the Output Circuit
¡To Draw a Reverse Polarity Output
¡To provide a negative voltage to -Vin by using +Vin side of the
converter as GND potential (0V)
¡To Draw the Sum of Input Voltage and Plus Output Voltage
*Output current should be the same as the rated output current of
the converter.
*Output voltage fluctuation is the sum of the input voltage fluctua-
tion and the output voltage fluctuation of the converter.
DC-DC Converters PCB Mount Type Instruction Manual
(Iop - Is)Xt
T
lav = ls+
(Iop - Iav)Xt
DVo
C =
AC
0
+5V
0
+12V
-15V
0
+15V
-Vin
+Vin
-Vout
+Vout
-Vin
+Vin
-Vout
COM
+Vout
Logic IC
Linear IC
Regulated
DC Power
Supply
-Vin
+Vin
-Vout
COM
+Vout
-15V
0
+15V
-15V
0
+15V
-Vin
+Vin
-Vout
COM
+Vout
-Vout
+Vout
-Vin
+Vin
Load
Floating from
the GND level
-Vout -5V
Example SUS30505
5V
+Vout
-Vin
+Vin
Example SUS34805
-Vout 0-48V
+5V+Vout
-Vin
+Vin
Example SUS31215
-Vout 0
+27V
12V
+Vout
-Vin
+Vin
Iop
COM
C
+Vin
-Vin
+Vout
-Vout
Pulse Load
External Electrolyti
c
Capacitor
Vo
DVo:Fluctuation of
Output Voltage
Is :
Steady-state Curren
t
Iop:Current at Peak
0
0
Iop
Is
D
T
t
W
aveform of Pulse
L
oad Current
W
aveform of
O
utput Voltage
Vo
SU.SUC/SUT-59
CD‘EL \ —
¡To Use a Dual Output Type
*Dual output type is typically used in the following manner.
*The unit can be used as a 24V type single output power supply
as follows.
*Another way to use the unit is described below.
*The sum of +12V and +24V flows to the 0V line. Please make
sure that this value does not exceed the rated output current of
the converter.
¡To Draw 48V Output
11 Options
11.1 Outline of Options
*Please inquire us for details of specifications and delivery timing.
¿ -C (Only SUCOOC)
-Conformal coating is applied to PCB and parts.
For excessive harsh environment with corrosive gases condition
such as H2S.
-Differences from standard versions are summarized in Table 11.1.
Table 11.1 Coating Type
Clearance to user board 0.05mm min (Refer to Fig.11.1)
Safety Standards no approvals
component area
0.05min
DC-DC Converters PCB Mount Type Instruction Manual
Example SUW30512
-Vout
0
+12V
COM
-12V
+Vout
-Vin
+Vin
Example SUW30512
-Vout
0
+24V
COM
+Vout
-Vin
+Vin
Example SUW30512
-Vout 0
+24V
+12VCOM
+Vout
-Vin
+Vin
Example SUW1R50512
-Vin
+Vin
-Vout
COM
+Vout
5V
0
+48V
-Vin
+Vin
-Vout
COM
+Vout
Fig.11.1 Clearance to user board
SU.SUC/SUT-60
CO‘EL \ — E$wmm$$ EEEE EI=EE @EEI
12
Delivery Package Information
¡These are packed in a tray. (Fig.12.1)
Please order ”SUOOOOOBP” for tray type packaging.
DC-DC Converters PCB Mount Type Instruction Manual
SU1R5 30max
SU3 30max
SU6 20max
SU10 20max
Table 12.1 Capacity of the tray (pcs/tray)
In case of fractions, the units are stored in numerical order.
SUXXXXXX
SUOO3OOOOBP SUOO10OOOOBP
SUOO6OOOOBPSUOO1R5OOOOBP
OUT
IN
1
(C12)
3
5
7
9
11
13
15
17
19
2
4
6
8
10
12
14
16
18
20
1
(C12)
3
5
7
9
11
13
15
17
19
2
4
6
8
10
12
14
16
18
20
37.8
135.9
22.95
P=29.9X9
315
60.3
39
135.9
21.6P=30.2X9
315
57.9
123
4
7
10
13
16
19
22
25
28
5
8
11
14
17
20
23
26
29
6
9
12
15
18
21
24
27
30
(C12)
14
P=40.5X2
P=29.8X9 23.4
135.9
315
27.45
14
123
4
7
10
13
16
19
22
25
28
5
8
11
14
17
20
23
26
29
6
9
12
15
18
21
24
27
30
(C12)
14
P=40.6X2
P=29.8X9
135.9
315
27.35
23.4
14
Dimension in mm
Material : Conductive PS
Fig.12.1 Delivery package information
SU.SUC/SUT-61

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