LT8357 Datasheet - Analog Devices

LT8357 SEPIC and Flyback Controller

The LT®8357 is a wide input range, current mode, DC/DC controller which can be configured as a boost, SEPIC or flyback converter. The LT8357 drives a low side N-channel power MOSFET with 5V split gate drive. The current mode architecture allows adjustable and synchronizable 100kHz to 2MHz fixed freq.

LT8357 Features

* n Wide Input Voltage Range: 3V to 60V n Low IQ Burst Mode® Operation: 8µA n Up to 95% Efficiency at 2MHz n ±1.5% Internal 1V Voltage Reference n 5V Split Gate Drive for Efficiency and EMI Optimization n 100kHz to 2MHz Fixed Switching Frequency with External Clock Synchronization n Spread Spectrum Fr

LT8357-AnalogDevices.pdf