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MB39A113 - DC/DC Converter IC

Datasheet Summary

Description

MB39A113 is a DC/DC converter IC of pulse width modulation (PWM) type for charging, capable of independently controlling the output voltage and output current.

MB39A113 is suitable for down conversion.

Features

  • S.
  • Built-in dual constant-current control circuits.
  • Analog control of charge current is possible. (+INE1 and +INE2 terminals).
  • Built-in AC adapter detection function (fixing the output in the off state when the VCC voltage is lower than the battery voltage + 0.2 V).
  • Possible to prevent mis-detecting of fully-charged state by constant-voltage control state detection function (CVM terminal).
  • Built-in overvoltage detection function of charge-voltage (OVP.

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Datasheet Details

Part number MB39A113
Manufacturer Fujitsu
File Size 688.60 KB
Description DC/DC Converter IC
Datasheet download datasheet MB39A113 Datasheet
Additional preview pages of the MB39A113 datasheet.

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Full PDF Text Transcription

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FUJITSU MICROELECTRONICS DATA SHEET DS04-27240-1Ea ASSP for Power Supply Applications (Secondary Battery) DC/DC Converter IC for Charging Li-ion Battery MB39A113 ■ DESCRIPTION MB39A113 is a DC/DC converter IC of pulse width modulation (PWM) type for charging, capable of independently controlling the output voltage and output current. MB39A113 is suitable for down conversion. MB39A113 can dynamically control the charge current of the secondary battery, to keep the power constant by detecting a voltage drop in an AC adapter (dynamically-controlled charging) . MB39A113 can easily set the charge current value, making it ideal for use as a built-in charging device in products such as notebook PC.
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