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BUY HY4004B 40V/208A https://www.utsource.net/itm/p/9748191.html

Description: HY4004B is a high-performance, low-cost, high-efficiency, synchronous rectifier controller. It is designed to drive two external N-channel MOSFETs in a synchronous rectifier configuration. Features: - Low start-up current - Low operating current - High efficiency - Internal soft-start - Internal over-current protection - Internal over-temperature protection - Internal under-voltage lockout - Internal over-voltage protection Applications: - DC/DC converters - Switching power supplies - Uninterruptible power supplies - Battery chargers - Motor drives (For reference only)