Buck Switching Regulator IC Positive Adjustable 0.6V 1 Output 4A 9-PowerVFQFN
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TPS543421RQFR

DigiKey Part Number
296-TPS543421RQFRTR-ND - Tape & Reel (TR)
296-TPS543421RQFRCT-ND - Cut Tape (CT)
296-TPS543421RQFRDKR-ND - Digi-Reel®
Manufacturer
Texas Instruments
Manufacturer Product Number
TPS543421RQFR
Description
3.8V TO 18V INPUT, 4A, 200KHZ TO
Manufacturer Standard Lead Time
18 Weeks
Customer Reference
Detailed Description
Buck Switching Regulator IC Positive Adjustable 0.6V 1 Output 4A 9-PowerVFQFN
Datasheet
 Datasheet
Product Attributes
Type
Description
Select All
Category
Mfr
Texas Instruments
Series
-
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Part Status
Active
Function
Step-Down
Output Configuration
Positive
Topology
Buck
Output Type
Adjustable
Number of Outputs
1
Voltage - Input (Min)
3.8V
Voltage - Input (Max)
18V
Voltage - Output (Min/Fixed)
0.6V
Voltage - Output (Max)
18V
Current - Output
4A
Frequency - Switching
200kHz ~ 2.2MHz
Synchronous Rectifier
Yes
Operating Temperature
-40°C ~ 150°C (TJ)
Grade
-
Qualification
-
Mounting Type
Surface Mount
Package / Case
9-PowerVFQFN
Supplier Device Package
9-VQFN-HR (1.5x2)
Product Questions and Answers

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In-Stock: 2,965
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Quantity
All prices are in JPY
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1¥234.00000¥234
10¥170.50000¥1,705
25¥154.44000¥3,861
100¥136.92000¥13,692
250¥128.55600¥32,139
500¥123.50600¥61,753
1,000¥121.81400¥121,814
* All Digi-Reel orders will add a ¥800 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000¥114.22267¥342,668
6,000¥111.71217¥670,273
9,000¥110.45500¥994,095
15,000¥109.06167¥1,635,925
Manufacturers Standard Package
Unit Price without JCT:¥234.00000
Unit Price with JCT:¥257.40000
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