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
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
Series
-
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Part Status
Active
Function
Step-Down
Output Configuration
Positive
Topology
Output Type
Number of Outputs
1
Voltage - Input (Min)
3.8V
Voltage - Input (Max)
18V
Voltage - Output (Min/Fixed)
Voltage - Output (Max)
18V
Current - Output
Frequency - Switching
200kHz ~ 2.2MHz
Synchronous Rectifier
Yes
Operating Temperature
-40°C ~ 150°C (TJ)
Grade
-
Qualification
-
Mounting Type
Surface Mount
Package / Case
Supplier Device Package
9-VQFN-HR (1.5x2)
Product Questions and Answers

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In-Stock: 2,965
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All prices are in TWD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1NT$50.00000NT$50
10NT$36.10000NT$361
25NT$32.76000NT$819
100NT$29.03000NT$2,903
250NT$27.25200NT$6,813
500NT$26.18200NT$13,091
1,000NT$25.30200NT$25,302
* All Digi-Reel orders will add a NT$215 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000NT$24.21433NT$72,643
6,000NT$23.68217NT$142,093
9,000NT$23.41556NT$210,740
15,000NT$23.12027NT$346,804
Manufacturers Standard Package