LMR544xx SIMPLE SWITCHER® Power Converter

Texas Instruments LMR544xx SIMPLE SWITCHER® Power Converter is a wide-VIN, easy-to-use synchronous buck converter capable of driving up to 1A and 0.6A load current. With a wide input range of 4 V to 36 V, the device is suitable for a wide range of industrial applications for power conditioning from an unregulated source.

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Description Datasheet Availability Pricing (CAD) 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 SIMPLE SWITCHER powe r converter with 4-
Datasheet
3,774In Stock
15,000Expected 2026-07-27
MouseReel Available
Min.: 1
Mult.: 1
Max.: 220
: 3,000

SMD/SMT SOT-23-6 Buck 800 mV to 28 V 600 mA 1 Output 80 uA 1.1 MHz - 40 C + 125 C LMR54406 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators SIMPLE SWITCHER powe r converter with 4-
Datasheet
12,266In Stock
21,000Expected 2026-07-27
MouseReel Available
Min.: 1
Mult.: 1
Max.: 690
: 3,000

SMD/SMT SOT-23-6 Buck 800 mV to 28 V 600 mA 1 Output 80 uA 1.1 MHz - 40 C + 125 C LMR54406 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators SIMPLE SWITCHER powe r converter 4.5-V t
Datasheet
16,958In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 370
: 3,000

SMD/SMT SOT-23-6 Buck 800 mV to 28 V 1 A 1 Output 80 uA 1.1 MHz - 40 C + 125 C LMR54410 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators SIMPLE SWITCHER powe r converter 4.5-V t
Datasheet
6,589In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 170
: 3,000

SMD/SMT SOT-23-6 Buck 800 mV to 28 V 1 A 1 Output 80 uA 1.1 MHz - 40 C + 125 C LMR54410 Reel, Cut Tape, MouseReel