Buck Regulator Positive or Negative Output Step-Down DC-DC Controller IC 38-QFN (4x6)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Buck Regulator Positive or Negative Output Step-Down DC-DC Controller IC 38-QFN (4x6)
Introducing Power by Linear

LT3840IUFE#PBF

DigiKey Part Number
LT3840IUFE#PBF-ND
Manufacturer
Manufacturer Product Number
LT3840IUFE#PBF
Description
IC REG CTRLR BUCK 38QFN
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
Buck Regulator Positive or Negative Output Step-Down DC-DC Controller IC 38-QFN (4x6)
Datasheet
 Datasheet
EDA/CAD Models
LT3840IUFE#PBF Models
Product Attributes
Type
Description
Select All
Category
Manufacturer
Analog Devices Inc.
Series
-
Packaging
Tube
Part Status
Active
Output Type
Transistor Driver
Function
Step-Down
Output Configuration
Positive or Negative
Topology
Buck
Number of Outputs
1
Output Phases
1
Voltage - Supply (Vcc/Vdd)
2.5V ~ 60V
Frequency - Switching
50kHz ~ 1MHz
Duty Cycle (Max)
99%
Synchronous Rectifier
Yes
Clock Sync
Yes
Serial Interfaces
-
Control Features
Enable, Frequency Control, Power Good, Soft Start, Tracking
Operating Temperature
-40°C ~ 125°C (TJ)
Mounting Type
Surface Mount
Package / Case
38-WFQFN Exposed Pad
Supplier Device Package
38-QFN (4x6)
Base Product Number
Product Questions and Answers

See what engineers are asking, ask your own questions, or help out a member of the DigiKey engineering community

In-Stock: 119
Check for Additional Incoming Stock
All prices are in JPY
Tube
QuantityUnit PriceExt Price
1¥2,009.00000¥2,009
10¥1,575.40000¥15,754
61¥1,385.40984¥84,510
122¥1,334.62295¥162,824
305¥1,280.98689¥390,701
549¥1,253.16940¥687,990
1,037¥1,227.82932¥1,273,259
Manufacturers Standard Package
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.
Unit Price without JCT:¥2,009.00000
Unit Price with JCT:¥2,209.90000