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LT3759IMSE: Wide Input Voltage Range Boost/SEPIC/Negative Output Controller, MSOP-12

Overview:

The LT3759IMSE is a wide input range, current mode, DC/DC controller that can regulate positive or negative output voltages using a single feedback pin. It can be configured as a boost, SEPIC, or negative output converter. The LT3759IMSE drives a low-side external N-channel power MOSFET. An internal LDO regulator draws power from VIN or DRIVE to provide a power supply of up to 4.75V for the gate driver.

LT3759IMSE Product Features:

Wide VIN range: 1.6V to 42V

Set positive or negative output voltage using a single feedback pin

PGOOD output voltage status report

Accurate 50mV detection threshold voltage

Programmable soft-start

Set operating frequency using an external resistor (100kHz to 1MHz)

Synchronisable to an external clock

Low shutdown current: <1μA

INTVCC regulator powered from VIN or DRIVE

Programmable input under-voltage lockout with hysteresis

LT3759IMSE Applications:

Data communications and industrial boost, SEPIC, and negative output converters

Distributed power supplies

Portable electronic devices

Automotive

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