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MB3892 Datasheet Power Management

Manufacturer: Fujitsu Semiconductor Limited

Overview: FUJITSU SEMICONDUCTOR DATA SHEET DS04-27802-1E ASSP For Power Management Applications (Mobile Phones) Power Management IC for Mobile Phone.

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General Description

MB3892 is a low-saturation voltage type series regulator contains 3 channels for the baseband regulator, 1 channel for the backup regulator, 6 channels for the RF regulator, and 1 channel for the variable regulator.

MB3892 is built in reset circuit, serial control circuit, operation Amp.

for charge control of Lithium ion battery, LED drive circuit, receiver Amp., loudspeaker drive Amp., sounder circuit, vibrator drive circuit, and 4-ch D/A converter and the devices is miniaturized by systematization of built-in power supply for mobile phone.

Key Features

  • Power supply voltage range.
  • : VB = 2.85 V to 5.5 V : EXTVCC = 3.0 V to 6.5 V : 100 µA (Max. ) Low power consumption current during standby Built-in low-saturation voltage type series regulator Built-in power-on reset function Built-in serial control function Built-in operation Amp. for charge control of Lithium ion battery Special power off function (To prevent battery discharge, this function controls the power consumption cur.

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