MB3891 - Power Management

Product Overview

Fujitsu Media Devices

Part number	MB3891
Manufacturer	Fujitsu Media Devices
File Size	446.13 KB
Description	Power Management
Datasheet	MB3891 Datasheet
Additional preview pages of the MB3891 datasheet.

MB3891 is intended to be used in future GSM-phones, Dual Band phones and Dual Mode phones.

Supply voltage range : 3 V to 5.5 V.
Low power consumption current during standby : 400 µA (MAX).
6-channel low-saturation voltage type series regulator : 2.1 V/2 channels, 2.8 V/3 channels, 2.5 V/2.8 V switch.
Error prevention function during Low voltage.
Power on reset function.
3 V/5 V SW for SIM-Card.
SIM interface function.
Backflow prevention function for Battery-Backup.
Temperature prevention function s PAC.

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Published: Sep 11, 2005 |