LT3758AEMSE#TRPBF

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Analog Devices Inc./Maxim Integrated

HIGH INPUT VOLTAGE, BOOST, FLYBACK, SEPIC AND INVERTING CONTROLLER

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LT3758AEMSE#TRPBF

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Analog Devices Inc./Maxim Integrated

HIGH INPUT VOLTAGE, BOOST, FLYBACK, SEPIC AND INVERTING CONTROLLER

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Description Specifications Series Pricing CAD Documents

Description

General part information

LT3758 Series

The LT3758/LT3758A are wide input range, current mode, DC/DC controllers which are capable of generating either positive or negative output voltages. They can be configured as either a boost, flyback, SEPIC or inverting converter. The LT3758/LT3758A drive a low side external N-channel power MOSFET from an internal regulated 7.2V supply. The fixed frequency, current-mode architecture results in stable operation over a wide range of supply and output voltages.The operating frequency of LT3758/LT3758A can be set with an external resistor over a 100kHz to 1MHz range, and can be synchronized to an external clock using the SYNC pin. A minimum operating supply voltage of 5.5V, and a low shutdown quiescent current of less than 1μA, make the LT3758/LT3758A ideally suited for batterypowered systems.The LT3758/LT3758A feature soft-start and frequency foldback functions to limit inductor current during start-up and output short-circuit. The LT3758A has improved load transient performance compared to the LT3758.APPLICATIONSAutomotiveTelecomIndustrial

Technical Specifications

Parameters and characteristics for this part

Specification	LT3758AEMSE#TRPBF

Clock Sync	Yes
Control Features	Frequency Control, Enable, Soft Start
Frequency - Switching (Max)	1 MHz
Frequency - Switching (Min)	100 kHz
Function	Step-Up, Step-Up/Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-40 °C
Output Configuration	Isolation Capable, Positive or Negative
Output Phases	1
Output Type	Transistor Driver
Package Features	Exposed Pad
Package Length	0.118 in
Package Name	10-MSOP-EP, 10-MSOP
Package Width	3 mm
Synchronous Rectifier	No
Topology	SEPIC, Flyback, Boost
Voltage - Supply (Vcc/Vdd) Maximum	100 V
Voltage - Supply (Vcc/Vdd) Minimum	5.5 V

LT3758 Series

Part	Function	Package Name	Frequency - Switching (Max)	Frequency - Switching (Min)	Output Phases	Voltage - Supply (Vcc/Vdd) Minimum	Voltage - Supply (Vcc/Vdd) Maximum	Control Features	Clock Sync	Output Type	Operating Temperature (Max)	Operating Temperature (Min)	Package Width	Package Features	Package Length	Topology	Number of Outputs	Output Configuration	Mounting Type	Synchronous Rectifier	Package / Case
Analog Devices Inc./Maxim Integrated LT3758EMSE#PBF	Step-Up Step-Up/Step-Down	10-MSOP 10-MSOP-EP	1 MHz	100 kHz	1	5.5 V	100 V	Enable Frequency Control Soft Start	Yes	Transistor Driver	125 °C	-40 °C	3 mm	Exposed Pad	0.118 in	Boost Flyback SEPIC	1	Isolation Capable Positive or Negative	Surface Mount	No
Analog Devices Inc./Maxim Integrated LT3758AHMSE#PBF	Step-Up Step-Up/Step-Down	10-MSOP 10-MSOP-EP	1 MHz	100 kHz	1	5.5 V	100 V	Enable Frequency Control Soft Start	Yes	Transistor Driver	150 °C	-40 °C	3 mm	Exposed Pad	0.118 in	Boost Flyback SEPIC	1	Isolation Capable Positive or Negative	Surface Mount	No
Analog Devices Inc./Maxim Integrated LT3758MPMSE#TRPBF	Step-Up Step-Up/Step-Down	10-MSOP 10-MSOP-EP	1 MHz	100 kHz	1	5.5 V	100 V	Enable Frequency Control Soft Start	Yes	Transistor Driver	150 °C	-55 °C	3 mm	Exposed Pad	0.118 in	Boost Flyback SEPIC	1	Isolation Capable Positive or Negative	Surface Mount	No
Analog Devices Inc./Maxim Integrated LT3758MPMSE	Step-Up Step-Up/Step-Down	10-MSOP 10-MSOP-EP	1 MHz	100 kHz	1	5.5 V	100 V	Enable Frequency Control Soft Start	Yes	Transistor Driver	150 °C	-55 °C	3 mm	Exposed Pad	0.118 in	Boost Flyback SEPIC	1	Isolation Capable Positive or Negative	Surface Mount	No
Analog Devices Inc./Maxim Integrated LT3758AIDD#PBF	Step-Up Step-Up/Step-Down	10-DFN	1 MHz	100 kHz	1	5.5 V	100 V	Enable Frequency Control Soft Start	Yes	Transistor Driver	125 °C	-40 °C	3 mm		3 mm	Boost Flyback SEPIC	1	Isolation Capable Positive or Negative	Surface Mount	No	10-WFDFN Exposed Pad
Analog Devices Inc./Maxim Integrated LT3758AMPMSE#PBF	Step-Up Step-Up/Step-Down	10-MSOP 10-MSOP-EP	1 MHz	100 kHz	1	5.5 V	100 V	Enable Frequency Control Soft Start	Yes	Transistor Driver	150 °C	-55 °C	3 mm	Exposed Pad	0.118 in	Boost Flyback SEPIC	1	Isolation Capable Positive or Negative	Surface Mount	No
Analog Devices Inc./Maxim Integrated LT3758AEDD#TRPBF	Step-Up Step-Up/Step-Down	10-DFN	1 MHz	100 kHz	1	5.5 V	100 V	Enable Frequency Control Soft Start	Yes	Transistor Driver	125 °C	-40 °C	3 mm		3 mm	Boost Flyback SEPIC	1	Isolation Capable Positive or Negative	Surface Mount	No	10-WFDFN Exposed Pad
Analog Devices Inc./Maxim Integrated LT3758AEMSE#TRPBF	Step-Up Step-Up/Step-Down	10-MSOP 10-MSOP-EP	1 MHz	100 kHz	1	5.5 V	100 V	Enable Frequency Control Soft Start	Yes	Transistor Driver	125 °C	-40 °C	3 mm	Exposed Pad	0.118 in	Boost Flyback SEPIC	1	Isolation Capable Positive or Negative	Surface Mount	No
Analog Devices Inc./Maxim Integrated LT3758HMSE#TRPBF	Step-Up Step-Up/Step-Down	10-MSOP 10-MSOP-EP	1 MHz	100 kHz	1	5.5 V	100 V	Enable Frequency Control Soft Start	Yes	Transistor Driver	150 °C	-40 °C	3 mm	Exposed Pad	0.118 in	Boost Flyback SEPIC	1	Isolation Capable Positive or Negative	Surface Mount	No
Analog Devices Inc./Maxim Integrated LT3758EMSE#TRPBF	Step-Up Step-Up/Step-Down	10-MSOP 10-MSOP-EP	1 MHz	100 kHz	1	5.5 V	100 V	Enable Frequency Control Soft Start	Yes	Transistor Driver	125 °C	-40 °C	3 mm	Exposed Pad	0.118 in	Boost Flyback SEPIC	1	Isolation Capable Positive or Negative	Surface Mount	No

Pricing

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CAD

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Documents

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Datasheet

LT3758AEMSE#TRPBF | Datasheet

R530 Reliability Data