LM5157x/LM5157x-Q1 Boost Flyback & SEPIC Converter

Texas Instruments LM5157x/LM5157x-Q1 Boost Flyback & SEPIC Converter is a wide input range, non-synchronous boost converter with integrated 50V, 6.5A (LM5157/LM5157-Q1) or 50V, 4.33A (LM51571-Q1) power switch. The device can be used in boost, SEPIC, and flyback topologies. The Texas Instruments LM5157x/LM5157x-Q1 can start up from a single-cell battery with a minimum of 2.9V. It can operate with the input supply voltage as low as 1.5V if the BIAS pin is greater than 2.9V. The LM5157x-Q1 devices are AEC-Q100 qualified for automotive applications.

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Packaging
Texas Instruments Switching Voltage Regulators 6-A 50-V 2.2-MHz w i de VIN boost flyba
Datasheet
1,710May Stock
3,000Inaasahan 2/20/2026
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT WQFN-16 Boost, Flyback, SEPIC 12 V 1.6 A 1 Output 670 uA 2.2 MHz - 40 C + 150 C LM5157 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 6A/4A 50-V 2.2-MHz w ide VIN boost fly
Datasheet
260May Stock
3,000Inaasahan 5/21/2026
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT WQFN-16 Boost, Flyback, SEPIC 1.5 V to 48 V 5 A 1 Output 670 uA 100 kHz to 2.2 MHz - 40 C + 125 C LM5157 Reel, Cut Tape, MouseReel
Texas Instruments Switching Voltage Regulators 6A/4A 50-V 2.2-MHz w ide VIN boost fly
Datasheet
10,312Inoorder
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT WQFN-16 Boost, Flyback, SEPIC 1.5 V to 48 V 7.5 A 1 Output 670 uA 100 kHz to 2.2 MHz - 40 C + 125 C LM5157 Reel, Cut Tape, MouseReel