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LT3999 DC-DC Transformer Driver

Analog Devices Inc. LT3999 DC-DC Transformer Driver is a monolithic, high-voltage, high-frequency, push-pull DC-DC driver designed to provide isolated power in a small solution footprint. The LT3999 includes functions such as duty cycle control, soft start, and protection features such as overvoltage lockout (OVLO), undervoltage lockout (UVLO), and thermal shutdown. The LT3999 has two 1A current limited power switches that switch out of phase. The duty cycle is programmable to adjust the output voltage. The switching frequency is programmed up to 1MHz and can be synchronized to an external clock for more accurate placement of switcher harmonics.

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Select	Image	Part #	Mfr.	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
	Switching Voltage Regulators L N, 1A, 1MHz PP DC/DC Drvr w/ Duty Cycl LT3999HMSE#TRPBF Analog Devices 1: $13.580 2.311In Stock	Mfr. Part # LT3999HMSE#TRPBF Mouser Part # 584-LT3999HMSE#TRPBF	Analog Devices	Switching Voltage Regulators L N, 1A, 1MHz PP DC/DC Drvr w/ Duty Cycl Learn More about Analog Devices adi lt3999 dcdc transformer driver	Datasheet	2.311In Stock	Cut Tape $13.580 $10.652 $9.912 $9.103 View $9.023 $8.488 $8.294 $8.294 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1.848			SMD/SMT	MSOP-10	Push-Pull	Adjustable	1 A	1 Output	100 nA	1 MHz	- 40 C	+ 150 C	LT3999	Reel, Cut Tape, MouseReel
	Switching Voltage Regulators L N, 1A, 1MHz PP DC/DC Drvr w/ Duty Cycl LT3999EDD#PBF Analog Devices 1: $11.279 407In Stock	Mfr. Part # LT3999EDD#PBF Mouser Part # 584-LT3999EDD#PBF	Analog Devices	Switching Voltage Regulators L N, 1A, 1MHz PP DC/DC Drvr w/ Duty Cycl Learn More about Analog Devices adi lt3999 dcdc transformer driver	Datasheet	407In Stock	$11.279 $8.772 $8.146 $7.462 $7.064	Min.: 1 Mult.: 1 Max.: 325			SMD/SMT	DFN-10	Push-Pull	Adjustable	1 A	1 Output	100 nA	1 MHz	- 40 C	+ 125 C	LT3999	Tube
	Switching Voltage Regulators L N, 1A, 1MHz PP DC/DC Drvr w/ Duty Cycl LT3999EMSE#PBF Analog Devices 1: $11.222 1.605In Stock	Mfr. Part # LT3999EMSE#PBF Mouser Part # 584-LT3999EMSE#PBF	Analog Devices	Switching Voltage Regulators L N, 1A, 1MHz PP DC/DC Drvr w/ Duty Cycl Learn More about Analog Devices adi lt3999 dcdc transformer driver	Datasheet	1.605In Stock	$11.222 $8.750 $7.747 $7.439 View $7.064 $6.915 $6.756	Min.: 1 Mult.: 1 Max.: 1.284			SMD/SMT	MSOP-10	Push-Pull	Adjustable	1 A	1 Output	100 nA	1 MHz	- 40 C	+ 125 C	LT3999	Tube
	Switching Voltage Regulators L N, 1A, 1MHz PP DC/DC Drvr w/ Duty Cycl LT3999EMSE#TRPBF Analog Devices 1: $11.313 285In Stock	Mfr. Part # LT3999EMSE#TRPBF Mouser Part # 584-LT3999EMSE#TRPBF	Analog Devices	Switching Voltage Regulators L N, 1A, 1MHz PP DC/DC Drvr w/ Duty Cycl Learn More about Analog Devices adi lt3999 dcdc transformer driver	Datasheet	285In Stock	Cut Tape $11.313 $8.795 $8.157 $7.462 $7.462 MouseReel Available	Min.: 1 Mult.: 1 Max.: 228			SMD/SMT	MSOP-10	Push-Pull	Adjustable	1 A	1 Output		1 MHz	- 40 C	+ 125 C	LT3999	Reel, Cut Tape, MouseReel
	Switching Voltage Regulators L N, 1A, 1MHz PP DC/DC Drvr w/ Duty Cycl LT3999HMSE#PBF Analog Devices 1: $13.546 1.049In Stock	Mfr. Part # LT3999HMSE#PBF Mouser Part # 584-LT3999HMSE#PBF	Analog Devices	Switching Voltage Regulators L N, 1A, 1MHz PP DC/DC Drvr w/ Duty Cycl Learn More about Analog Devices adi lt3999 dcdc transformer driver	Datasheet	1.049In Stock	$13.546 $10.572 $9.718 $9.012 $8.693	Min.: 1 Mult.: 1 Max.: 839			SMD/SMT	MSOP-10	Push-Pull	Adjustable	1 A	1 Output	100 nA	1 MHz	- 40 C	+ 150 C	LT3999	Tube
	Switching Voltage Regulators L N, 1A, 1MHz PP DC/DC Drvr w/ Duty Cycl LT3999IMSE#PBF Analog Devices 1: $12.111 1.443In Stock	Mfr. Part # LT3999IMSE#PBF Mouser Part # 584-LT3999IMSE#PBF	Analog Devices	Switching Voltage Regulators L N, 1A, 1MHz PP DC/DC Drvr w/ Duty Cycl Learn More about Analog Devices adi lt3999 dcdc transformer driver	Datasheet	1.443In Stock	$12.111 $9.445 $8.362 $8.032 View $7.656 $7.633 $7.451	Min.: 1 Mult.: 1 Max.: 1.154			SMD/SMT	MSOP-10	Push-Pull	Adjustable	1 A	1 Output	100 nA	1 MHz	- 40 C	+ 125 C	LT3999	Tube
	Switching Voltage Regulators L N, 1A, 1MHz PP DC/DC Drvr w/ Duty Cycl LT3999EDD#TRPBF Analog Devices 1: $11.279 99In Stock	Mfr. Part # LT3999EDD#TRPBF Mouser Part # 584-LT3999EDD#TRPBF	Analog Devices	Switching Voltage Regulators L N, 1A, 1MHz PP DC/DC Drvr w/ Duty Cycl Learn More about Analog Devices adi lt3999 dcdc transformer driver	Datasheet	99In Stock	Cut Tape $11.279 $8.772 $8.146 $7.462 $7.166 $6.209 MouseReel Available	Min.: 1 Mult.: 1			SMD/SMT	DFN-10	Push-Pull	Adjustable	1 A	1 Output		1 MHz	- 40 C	+ 125 C	LT3999	Reel, Cut Tape, MouseReel
	Switching Voltage Regulators L N, 1A, 1MHz PP DC/DC Drvr w/ Duty Cycl LT3999IDD#PBF Analog Devices 1: $12.623 5In Stock	Mfr. Part # LT3999IDD#PBF Mouser Part # 584-LT3999IDD#PBF	Analog Devices	Switching Voltage Regulators L N, 1A, 1MHz PP DC/DC Drvr w/ Duty Cycl Learn More about Analog Devices adi lt3999 dcdc transformer driver	Datasheet	5In Stock	$12.623 $9.855 $9.160 $8.396 View $7.964 $7.804 $7.633 Quote	Min.: 1 Mult.: 1			SMD/SMT	DFN-10	Push-Pull	Adjustable	1 A	1 Output	100 nA	1 MHz	- 40 C	+ 125 C	LT3999	Tube