Integrated Circuits (ICs)

LT3791HFE

Obsolete

Analog Devices Inc./Maxim Integrated

IC LED DRIVER CTRLR PWM 38TSSOP

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Integrated Circuits (ICs)

LT3791HFE

Obsolete

Analog Devices Inc./Maxim Integrated

IC LED DRIVER CTRLR PWM 38TSSOP

Deep-Dive with AI

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LT3791HFE

Applications	Lighting
Dimming	Analog, PWM
Frequency [Max]	700 kHz
Frequency [Min]	200 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	38-TFSOP, Exposed Pad
Package / Case	4.4 mm, 0.173 "
Supplier Device Package	38-TSSOP-EP
Topology	Step-Up (Boost), Step-Down (Buck)
Type	DC DC Controller
Voltage - Output [Max]	60 V
Voltage - Output [Min]	0 VDC
Voltage - Supply (Min) [Min]	4.7 V

LT3791 Series

Part	Topology	Supplier Device Package	Number of Outputs	Applications	Operating Temperature [Min]	Operating Temperature [Max]	Grade	Mounting Type	Dimming	Package / Case	Package / Case	Voltage - Output [Min]	Voltage - Output [Max]	Voltage - Supply (Min) [Min]	Frequency [Max]	Frequency [Min]	Type	Output Type	Frequency - Switching [Max]	Frequency - Switching [Min]	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Output Configuration	Control Features	Output Phases	Function
Analog Devices Inc./Maxim Integrated LT3791HFE	Step-Down (Buck) Step-Up (Boost)	38-TSSOP-EP	1	Lighting	-40 °C	150 °C	Automotive	Surface Mount	Analog PWM	38-TFSOP Exposed Pad	0.173 " 4.4 mm	0 VDC	60 V	4.7 V	700 kHz	200 kHz	DC DC Controller
Analog Devices Inc./Maxim Integrated LT3791MPFE#TRPBF	Step-Down (Buck) Step-Up (Boost)	38-TSSOP-EP	1	Lighting	-55 °C	150 °C		Surface Mount	Analog PWM	38-TFSOP Exposed Pad	0.173 " 4.4 mm	0 VDC	60 V	4.7 V	700 kHz	200 kHz	DC DC Controller
Analog Devices Inc./Maxim Integrated LT3791HFE#PBF	Step-Down (Buck) Step-Up (Boost)	38-TSSOP-EP	1	Lighting	-40 °C	150 °C		Surface Mount	Analog PWM	38-TFSOP Exposed Pad	0.173 " 4.4 mm	0 VDC	60 V	4.7 V	700 kHz	200 kHz	DC DC Controller
Analog Devices Inc./Maxim Integrated LT3791HFE#TRPBF	Step-Down (Buck) Step-Up (Boost)	38-TSSOP-EP	1	Lighting	-40 °C	150 °C		Surface Mount	Analog PWM	38-TFSOP Exposed Pad	0.173 " 4.4 mm	0 VDC	60 V	4.7 V	700 kHz	200 kHz	DC DC Controller
Analog Devices Inc./Maxim Integrated LT3791IFE#PBF	Step-Down (Buck) Step-Up (Boost)	38-TSSOP-EP	1	Lighting	-40 C	125 °C		Surface Mount	Analog PWM	38-TFSOP Exposed Pad	0.173 " 4.4 mm	0 VDC	60 V	4.7 V	700 kHz	200 kHz	DC DC Controller
Analog Devices Inc./Maxim Integrated LT3791IFE-1	Buck-Boost	38-TSSOP-EP	2		-40 C	125 °C		Surface Mount		38-TFSOP Exposed Pad	0.173 " 4.4 mm							Transistor Driver	700 kHz	200 kHz	4.7 V	60 V	Positive	Enable Frequency Control Soft Start	2	Step-Up/Step-Down
Analog Devices Inc./Maxim Integrated LT3791EFE#PBF	Step-Down (Buck) Step-Up (Boost)	38-TSSOP-EP	1	Lighting	-40 C	125 °C		Surface Mount	Analog PWM	38-TFSOP Exposed Pad	0.173 " 4.4 mm	0 VDC	60 V	4.7 V	700 kHz	200 kHz	DC DC Controller
Analog Devices Inc./Maxim Integrated LT3791EFE#TRPBF	Step-Down (Buck) Step-Up (Boost)	38-TSSOP-EP	1	Lighting	-40 C	125 °C		Surface Mount	Analog PWM	38-TFSOP Exposed Pad	0.173 " 4.4 mm	0 VDC	60 V	4.7 V	700 kHz	200 kHz	DC DC Controller
Analog Devices Inc./Maxim Integrated LT3791IFE#TRPBF	Step-Down (Buck) Step-Up (Boost)	38-TSSOP-EP	1	Lighting	-40 C	125 °C		Surface Mount	Analog PWM	38-TFSOP Exposed Pad	0.173 " 4.4 mm	0 VDC	60 V	4.7 V	700 kHz	200 kHz	DC DC Controller
Analog Devices Inc./Maxim Integrated LT3791MPFE#PBF	Step-Down (Buck) Step-Up (Boost)	38-TSSOP-EP	1	Lighting	-55 °C	150 °C		Surface Mount	Analog PWM	38-TFSOP Exposed Pad	0.173 " 4.4 mm	0 VDC	60 V	4.7 V	700 kHz	200 kHz	DC DC Controller

Pricing

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

Distributor	Package	Quantity	$	Updated

Digikey	N/A	0	$ 0.00	1m+

Description

General part information

LT3791 Series

LED Driver IC 1 Output DC DC Controller Step-Down (Buck), Step-Up (Boost) Analog, PWM Dimming 38-TSSOP-EP

Documents

Technical documentation and resources

No documents available