Integrated Circuits (ICs)

LT3791IFE-1

Obsolete

Analog Devices Inc./Maxim Integrated

IC REGULATOR

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DocumentsLT3791IFE-1 | Datasheet

Integrated Circuits (ICs)

LT3791IFE-1

Obsolete

Analog Devices Inc./Maxim Integrated

IC REGULATOR

Deep-Dive with AI

DocumentsLT3791IFE-1 | Datasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LT3791IFE-1

Clock Sync	True
Control Features	Enable, Soft Start, Frequency Control
Frequency - Switching [Max]	700 kHz
Frequency - Switching [Min]	200 kHz
Function	Step-Up/Step-Down
Mounting Type	Surface Mount
Number of Outputs	2
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 C
Output Configuration	Positive
Output Phases	2
Output Type	Transistor Driver
Package / Case	38-TFSOP, Exposed Pad
Package / Case	4.4 mm, 0.173 "
Supplier Device Package	38-TSSOP-EP
Synchronous Rectifier	True
Topology	Buck-Boost
Voltage - Supply (Vcc/Vdd) [Max]	60 V
Voltage - Supply (Vcc/Vdd) [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

Buck-Boost Regulator Positive Output Step-Up/Step-Down DC-DC Controller IC 38-TSSOP-EP

Documents

Technical documentation and resources

LT3791IFE-1 | Datasheet

Datasheet