LT3755JMSE-2#WPBF

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Analog Devices

IC LED DRIVER CTRLR PWM 16MSOP

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LT3755JMSE-2#WPBF

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Analog Devices

IC LED DRIVER CTRLR PWM 16MSOP

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DocumentsR518 Reliability Data Datasheet

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LT3755JMSE-2#WPBF

Applications	General Purpose
Dimming	Analog, PWM
Frequency [Max]	1 MHz
Frequency [Min]	100 kHz
Grade	Automotive
Internal Switch(s)	False
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	150 °C
Operating Temperature [Min]	-40 °C
Package / Case	Exposed Pad, 16-TFSOP
Package / Case	3 mm, 0.118 in
Qualification	AEC-Q100
Supplier Device Package	16-MSOP-EP
Topology	SEPIC, Step-Up (Boost), Flyback, Step-Down (Buck)
Type	DC DC Controller
Voltage - Supply (Max) [Max]	40 V
Voltage - Supply (Min) [Min]	4.5 V

LT3755LT3755-1LT3755-2 Series

40VIN, 75VOUTLED Controllers

Part	Package / Case	Type	Topology	Operating Temperature [Min]	Operating Temperature [Max]	Voltage - Supply (Min) [Min]	Frequency [Min]	Frequency [Max]	Voltage - Supply (Max) [Max]	Dimming	Number of Outputs	Mounting Type	Supplier Device Package	Applications	Qualification	Grade	Package / Case
Analog Devices LT3755EUD#TRPBF	16-WFQFN Exposed Pad	DC DC Controller	Flyback SEPIC Step-Down (Buck) Step-Up (Boost)	0 °C	125 ¯C	4.5 V	100 kHz	1 MHz	40 V	Analog PWM	1	Surface Mount	16-QFN (3x3)
Analog Devices LT3755JMSE-2#WPBF	16-TFSOP Exposed Pad	DC DC Controller	Flyback SEPIC Step-Down (Buck) Step-Up (Boost)	-40 °C	150 °C	4.5 V	100 kHz	1 MHz	40 V	Analog PWM	1	Surface Mount	16-MSOP-EP	General Purpose	AEC-Q100	Automotive	0.118 in 3 mm
Analog Devices LT3755EMSE-1#WPBF	16-TFSOP Exposed Pad	DC DC Controller	Flyback SEPIC Step-Down (Buck) Step-Up (Boost)	-40 °C	125 ¯C	4.5 V	100 kHz	1 MHz	40 V	Analog PWM	1	Surface Mount	16-MSOP-EP	General Purpose	AEC-Q100	Automotive	0.118 in 3 mm
Analog Devices LT3755JMSE-2#WTRPBF	16-TFSOP Exposed Pad	DC DC Controller	Flyback SEPIC Step-Down (Buck) Step-Up (Boost)	-40 °C	150 °C	4.5 V	100 kHz	1 MHz	40 V	Analog PWM	1	Surface Mount	16-MSOP-EP	General Purpose	AEC-Q100	Automotive	0.118 in 3 mm
Analog Devices LT3755EMSE#WPBF	16-TFSOP Exposed Pad	DC DC Controller	Flyback SEPIC Step-Down (Buck) Step-Up (Boost)	-40 °C	125 ¯C	4.5 V	100 kHz	1 MHz	40 V	Analog PWM	1	Surface Mount	16-MSOP-EP	General Purpose	AEC-Q100	Automotive	0.118 in 3 mm
Analog Devices LT3755EUD-2#TRPBF	16-WFQFN Exposed Pad	DC DC Controller	Flyback SEPIC Step-Down (Buck) Step-Up (Boost)	0 °C	125 ¯C	4.5 V	100 kHz	1 MHz	40 V	Analog PWM	1	Surface Mount	16-QFN (3x3)
Analog Devices LT3755EMSE-2#TRPBF	16-TFSOP Exposed Pad	DC DC Controller	Flyback SEPIC Step-Down (Buck) Step-Up (Boost)	0 °C	125 ¯C	4.5 V	100 kHz	1 MHz	40 V	Analog PWM	1	Surface Mount	16-MSOP-EP				0.118 in 3 mm
Analog Devices LT3755IUD-2#TRPBF	16-WFQFN Exposed Pad	DC DC Controller	Flyback SEPIC Step-Down (Buck) Step-Up (Boost)	-40 °C	125 ¯C	4.5 V	100 kHz	1 MHz	40 V	Analog PWM	1	Surface Mount	16-QFN (3x3)
Analog Devices LT3755EMSE#PBF	16-TFSOP Exposed Pad	DC DC Controller	Flyback SEPIC Step-Down (Buck) Step-Up (Boost)	0 °C	125 ¯C	4.5 V	100 kHz	1 MHz	40 V	Analog PWM	1	Surface Mount	16-MSOP-EP				0.118 in 3 mm
Analog Devices LT3755IMSE-2#TRPBF	16-TFSOP Exposed Pad	DC DC Controller	Flyback SEPIC Step-Down (Buck) Step-Up (Boost)	-40 °C	125 ¯C	4.5 V	100 kHz	1 MHz	40 V	Analog PWM	1	Surface Mount	16-MSOP-EP				0.118 in 3 mm

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 11.97
		10	$ 8.22
		25	$ 5.82
		37	$ 6.89
		111	$ 6.07
		259	$ 5.83

Description

General part information

LT3755LT3755-1LT3755-2 Series

The LT3755, LT3755-1 and LT3755-2 are DC/DC controllers designed to operate as a constant-current source for driving high current LEDs. They drive a low side external N-channel power MOSFET from an internal regulated 7.15V supply. The fixed frequency, current mode architecture results in stable operation over a wide range of supply and output voltages. A ground referenced voltage FB pin serves as the input for several LED protection features, and also makes it possible for the converter to operate as a constant-voltage source. A frequency adjust pin allows the user to program the frequency from 100kHz to 1MHz to optimize efficiency, performance or external component size.The LT3755/LT3755-1/LT3755-2 sense output current at the high side of the LED string. High side current sensing is the most flexible scheme for driving LEDs, allowing boost, buck mode or buck-boost mode configuration. The PWM input provides LED dimming ratios of up to 3000:1, and the CTRL input provides additional analog dimming capability.ApplicationsHigh Power LEDBattery ChargersAccurate Current Limited Voltage Regulators