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MB39A125 - DC/DC Converter IC

Datasheet Summary

Description

MB39A125/126 is a DC/DC converter IC for charging Li-ion battery, which is suitable for down-conversion, and uses pulse width modulation (PWM) for controlling the output voltage and current independently.

Features

  • S.
  • High efficiency : 97% (MAX) Built-in two constant current control circuits Analog control of the charging current value (+INE1, +INE2 terminal) Built-in AC adapter voltage detection function (ACOK, XACOK terminal) (Continued).

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Datasheet Details

Part number MB39A125
Manufacturer Fujitsu
File Size 484.38 KB
Description DC/DC Converter IC
Datasheet download datasheet MB39A125 Datasheet
Additional preview pages of the MB39A125 datasheet.

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Full PDF Text Transcription

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FUJITSU SEMICONDUCTOR DATA SHEET DS04-27248-1E ASSP for Power Supply Applications (Secondary battery) DC/DC Converter IC for Charging Li-ion Battery MB39A125/126 ■ DESCRIPTION MB39A125/126 is a DC/DC converter IC for charging Li-ion battery, which is suitable for down-conversion, and uses pulse width modulation (PWM) for controlling the output voltage and current independently. This IC integrates the build-in comparator for the voltage detection of the AC adapter, and selects the AC adapter or battery automatically for power supply to the system. Provides a wide range of power supply voltage, low standby current, and high efficiency, which makes them ideal as a built-in charging device in products such as notebook PC.
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