MB3829 - System Power Supply

Product Overview

Fujitsu Media Devices

Datasheet Details

Part number	MB3829
Manufacturer	Fujitsu Media Devices
File Size	442.29 KB
Description	System Power Supply
Datasheet	MB3829 Datasheet
Additional preview pages of the MB3829 datasheet.

Product details

Description

System Power Supply IC for Mobile Telephone 48-PIN PLASTIC LQFP (FPT-48P-M05) This power supply IC incorporates a 4 - channel series regulator and a battery backup function.It is a multi - function power supply IC with an output control function and momentary power - loss detection circuit, which are both required for mobile telephones.It also incorporates a speaker amplifier and a buzzer driver.Since it has a built - in power system suitable for mobile telephones, it promises equipment dow

Features

Power consumption during standby 4 - channel low - saturation voltage type series regulator Battery backup function Momentary power - loss and power - restoration functions ON/OFF switch circuit with an operating error prevention function BTL amplifier for driving the speaker : Output power= 90 mW typ. Buzzer driver to permit changing the sound volume : 200 mA max. Power supply voltage drops are accurately detected. Hysteresis is provided for detection voltage. Watchdog timer stop function is pr.

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Published: Sep 11, 2005 |