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LM5155/LM5155-Q1 Non-Synchronous Boost Controllers

Texas Instruments LM5155/LM5155-Q1 Non-Synchronous Boost Controllers offer a wide input range and utilize peak current mode control. The LM5155/LM5155-Q1 allows boost, SEPIC, and flyback topologies. Featured for the LM5155/LM5155-Q1 is a 1-cell battery startup with a minimum of 2.97V if the BIAS pin is connected to the VCC pin. Additionally, the device can operate with the input supply voltage as low as 1.5V if the BIAS pin exceeds 3.5V.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Topology	Number of Outputs	Switching Frequency	Duty Cycle - Max	Output Voltage	Output Current	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Package/Case	Qualification	Packaging
	Switching Controllers 2.2-MHz wide VIN 1. 5-A MOSFET driver n A 595-LM5155DSST LM5155DSSR Texas Instruments 1: Rp40.545 802In Stock 9.000Expected 04/03/2027	Mfr. Part No. LM5155DSSR Mouser Part No 595-LM5155DSSR	Texas Instruments	Switching Controllers 2.2-MHz wide VIN 1. 5-A MOSFET driver n A 595-LM5155DSST Learn More about Texas Instruments ti lm5155 controllers	Datasheet	802In Stock 9.000Expected 04/03/2027	Cut Tape Rp40.545 Rp30.087 Rp27.519 Rp24.584 Reel Rp21.281 View Rp23.116 Rp22.382 Rp22.015 Rp19.997 MouseReel Available	Min.: 1 Mult.: 1 : 3.000			Boost, Flyback, SEPIC	1 Output	100 kHz to 2.2 MHz	93 %	1.5 V to 300 V	1.5 A	- 40 C	+ 125 C	SMD/SMT	WSON-12		Reel, Cut Tape, MouseReel
	Switching Controllers 2.2-MHz wide VIN 1. 5-A MOSFET driver n A 595-LM5155DSSR LM5155DSST Texas Instruments 1: Rp56.689 112In Stock 1.000On Order	Mfr. Part No. LM5155DSST Mouser Part No 595-LM5155DSST	Texas Instruments	Switching Controllers 2.2-MHz wide VIN 1. 5-A MOSFET driver n A 595-LM5155DSSR Learn More about Texas Instruments ti lm5155 controllers	Datasheet	112In Stock 1.000On Order On Order Ship Dates Mfr. No: LM5155DSST Stock: 112 Can Dispatch Immediately On Order: 750 Pending 250 Expected 29/10/2026 Factory Lead Time: 12 Weeks	Cut Tape Rp56.689 Rp42.379 Rp38.710 Rp34.857 Reel Rp32.656 View Rp31.555 Rp30.271 Rp29.537 Rp28.803 MouseReel Available	Min.: 1 Mult.: 1 : 250			Boost, Flyback, SEPIC	1 Output	100 kHz to 2.2 MHz	93 %	1.5 V to 300 V	1.5 A	- 40 C	+ 125 C	SMD/SMT	WSON-12		Reel, Cut Tape, MouseReel
	Switching Controllers 2.2-MHz wide VIN 1. 5-A MOSFET driver n A 595-LM51551QDSSTQ1 LM51551QDSSRQ1 Texas Instruments 1: Rp57.973 85In Stock 6.000Expected 15/01/2027	Mfr. Part No. LM51551QDSSRQ1 Mouser Part No 595-LM51551QDSSRQ1	Texas Instruments	Switching Controllers 2.2-MHz wide VIN 1. 5-A MOSFET driver n A 595-LM51551QDSSTQ1 Learn More about Texas Instruments ti lm5155 controllers	Datasheet	85In Stock 6.000Expected 15/01/2027	Cut Tape Rp57.973 Rp43.480 Rp39.994 Rp35.958 Reel Rp30.087 View Rp33.940 Rp33.390 Rp31.739 Rp29.537 MouseReel Available	Min.: 1 Mult.: 1 : 3.000			Boost, Flyback, SEPIC	1 Output	100 kHz to 2.2 MHz	96 %	1.5 V to 300 V	1.5 A	- 40 C	+ 150 C	SMD/SMT	WSON-12	AEC-Q100	Reel, Cut Tape, MouseReel
	Switching Controllers 2.2-MHz wide VIN 1. 5-A MOSFET driver n A 595-LM5155QDSSRQ1 LM5155QDSSTQ1 Texas Instruments 1: Rp66.046 240In Stock 750Expected 21/06/2027	Mfr. Part No. LM5155QDSSTQ1 Mouser Part No 595-LM5155QDSSTQ1	Texas Instruments	Switching Controllers 2.2-MHz wide VIN 1. 5-A MOSFET driver n A 595-LM5155QDSSRQ1 Learn More about Texas Instruments ti lm5155 controllers	Datasheet	240In Stock 750Expected 21/06/2027	Cut Tape Rp66.046 Rp49.718 Rp45.682 Rp41.095 Reel Rp38.894 View Rp36.875 Rp35.775 Rp35.408 Rp34.857 MouseReel Available	Min.: 1 Mult.: 1 : 250			Boost, Flyback, SEPIC	1 Output	100 kHz to 2.2 MHz	96 %	1.5 V to 300 V	1.5 A	- 40 C	+ 125 C	SMD/SMT	WSON-12	AEC-Q100	Reel, Cut Tape, MouseReel
	Switching Controllers 2.2-MHz wide VIN 1. 5-A MOSFET driver n A 595-LM51551QDSSRQ1 LM51551QDSSTQ1 Texas Instruments 1: Rp66.046 6.750Expected 26/04/2027	Mfr. Part No. LM51551QDSSTQ1 Mouser Part No 595-LM51551QDSSTQ1	Texas Instruments	Switching Controllers 2.2-MHz wide VIN 1. 5-A MOSFET driver n A 595-LM51551QDSSRQ1 Learn More about Texas Instruments ti lm5155 controllers	Datasheet	6.750Expected 26/04/2027	Cut Tape Rp66.046 Rp49.718 Rp45.682 Rp41.095 Reel Rp37.426 View Rp35.958 Rp35.041 Rp34.674 MouseReel Available	Min.: 1 Mult.: 1 : 250			Boost, Flyback, SEPIC	1 Output	100 kHz to 2.2 MHz	96 %	1.5 V to 300 V	1.5 A	- 40 C	+ 150 C	SMD/SMT	WSON-12	AEC-Q100	Reel, Cut Tape, MouseReel
	Switching Controllers 2.2-MHz wide VIN 1. 5-A MOSFET driver n A 595-LM5155QDSSTQ1 LM5155QDSSRQ1 Texas Instruments 1: Rp57.973 3.000Expected 28/01/2027	Mfr. Part No. LM5155QDSSRQ1 Mouser Part No 595-LM5155QDSSRQ1	Texas Instruments	Switching Controllers 2.2-MHz wide VIN 1. 5-A MOSFET driver n A 595-LM5155QDSSTQ1 Learn More about Texas Instruments ti lm5155 controllers	Datasheet	3.000Expected 28/01/2027	Cut Tape Rp57.973 Rp43.480 Rp39.994 Rp35.958 Reel Rp30.087 View Rp33.940 Rp33.390 Rp31.739 Rp29.537 MouseReel Available	Min.: 1 Mult.: 1 : 3.000			Boost, Flyback, SEPIC	1 Output	100 kHz to 2.2 MHz	96 %	1.5 V to 300 V	1.5 A	- 40 C	+ 125 C	SMD/SMT	WSON-12	AEC-Q100	Reel, Cut Tape, MouseReel