TPS543x21 Synchronous Buck Converters

Texas Instruments TPS543x21 Synchronous Buck Converters include the TPS543321, TPS543421, and TPS543521 with 3A, 4A, and 5A continuous output current. The TPS543x21 are high-efficiency, high-voltage input, easy-to-use synchronous buck converters with high design flexibility. The TPS543x21 is developed for systems powered from 5V to 12V powerbus rails, with a wide operating 3.8V to 18V input voltage range.

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Description Datasheet Availability Pricing (CLP) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Mounting Style
Package / Case
Topology
Output Voltage
Output Current
Number of Outputs
Quiescent Current
Switching Frequency
Minimum Operating Temperature
Maximum Operating Temperature
Series
Packaging
Texas Instruments Switching Voltage Regulators 3.8V to 18V Input 3 A 200kHz to 2.2MHz
Datasheet
2.271In Stock
Cut Tape
$1.559
$1.142
$1.029
$912
View
Reel
$800
MouseReel Available
Min.: 1
Mult.: 1
Max.: 1.001
: 3.000
SMD/SMT VQFN-HR-9 Buck - 100 mV to 18 V 3 A 1 Output 28 uA, 40 uA 200 kHz to 2.2 MHz - 40 C + 150 C TPS543321 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 3.8V to 18V Input 5 A 200kHz to 2.2MHz
Datasheet
1.468In Stock
Cut Tape
$1.888
$1.383
$1.263
$1.120
Reel
$937
View
MouseReel Available
Min.: 1
Mult.: 1
: 3.000
SMD/SMT VQFN-HR-9 Buck - 100 mV to 18 V 5 A 1 Output 28 uA, 40 uA 200 kHz to 2.2 MHz - 40 C + 150 C TPS543521 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 3.8V to 18V Input 4 A 200kHz to 2.2MHz
Datasheet
Non-Stocked Lead-Time 26 Weeks
Reel
$756
Min.: 3.000
Mult.: 3.000
: 3.000
SMD/SMT VQFN-HR-9 Buck - 100 mV to 18 V 4 A 1 Output 28 uA, 40 uA 200 kHz to 2.2 MHz - 40 C + 150 C TPS543421 Reel