丝印：5Z；Package：WQFN-32L；Multi-Phase PWM Controller with PWM-VID Reference

General Description The RT8845B is a 4/3/2/1 phase synchronous Buck PWM controller which is optimized for high performance graphic microprocessor and computer applications. The RT8845B adopts G-NAVPTM (Green Native AVP) which is Richtek's proprietary topology derived from finite DC gain of EA

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