EMQ9904 - 4 Channel Power Management IC

Description

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.

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 current (110µA) and fast transient response. It operates from 2.5V to 5.5V input voltage, up to 600mA loading capability and regulates adjustable output voltage from 1.2V to 5.0V.

Elite Semiconductor

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Datasheet Details

Part number	EMQ9904
Manufacturer	Elite Semiconductor
File Size	1.14 MB
Description	4 Channel Power Management IC
Datasheet	EMQ9904 Datasheet
Additional preview pages of the EMQ9904 datasheet.

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Full PDF Text Transcription

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ESMT/EMP EMQ9904 4 Channel Power Management IC For Portable Devices GENERAL DESCRIPTION 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 typically with operating voltage down to 0.6V and up to 500mA loading capability. It features with extreme low 26μA quiescent current with no load, which is the best fit for extending battery life during the standby mode.

Published: Jul 25, 2014 |