EMQ9904 Datasheet (Elite Semiconductor) - 4 Channel Power Management IC

EMQ9904, 4 Channel Power Management IC

The EMQ9904 is a high efficiency, 4-channel power management IC for battery-powered, portable devices application.

It integrates a high efficiency step-up DC/DC converter, a linear regulator and two high efficiency step-down DC/DC converters.

The step-up DC/DC converter (CH1) can start up 0.9V typic

EMQ9904 Features

* with extreme low 26μA quiescent current with no load, which is the best fit for extending battery life during the standby mode. The linear regulator (CH2) features ultra-high power supply rejection ratio (75dB at 1kHz), low output voltage noise (30µV), low dropout voltage (270mV), low quiescent curr