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ESMT/EMP
Portable Devices
GENERAL DESCRIPTION
The EMQ9920 is a high efficiency, 2-channel power management IC for battery-powered, portable devices application. It integrates two high efficiency step-down DC/DC converters. The two Synchronous Buck converters (CH3, CH4) operate from 2.5V to 5.5V input voltage, up to 600mA loading capability and regulate adjustable output voltage from 0.6V to 5.5V. It features low quiescent operation. current, 1.5MHz internal frequency
EMQ9920
2 Channel Power Management IC For
FEATURES
Two Synchronous Buck Converters .Achieve 95% efficiency .Input Voltage : 2.5V to 5.5V .Output Current up to 600mA .Reference voltage 0.6V .Quiescent Current 200μA with No Load .Internal switching frequency 1.