MB3829 - System Power Supply

Fujitsu Media Devices

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Datasheet Details

Part number	MB3829
Manufacturer	Fujitsu Media Devices
File Size	442.29 KB
Description	System Power Supply
Datasheet	MB3829_FujitsuMediaDevices.pdf

MB3829 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 |