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39A108 Datasheet MB39A108

Manufacturer: Fujitsu Semiconductor Limited

General Description

The MB39A108 is 5-channel DC/DC converter IC using pulse width modulation (PWM), and is suitable for up conversion, down conversion, and up/down conversion.

The MB39A108 is built in 5 channels into TSSOP-38P/ BCC-40P package and operates at 2 MHz maximum.

Each channel can be controlled with soft-start.

Overview

FUJITSU SEMICONDUCTOR DATA SHEET DS04-27237-2E ASSP for Power Supply Applications (DC/DC converter for DSC/camcorder) 5 ch DC/DC Converter IC with Synchronous Rectification.

Key Features

  • S.
  • Supports for down-conversion with synchronous rectification (CH1).
  • Supports for down-conversion and up/down Zeta conversion (CH2, CH3).
  • Supports for up-conversion and up/down Sepic conversion (CH4, CH5).
  • Low voltage start-up (CH4, CH5) : 1.7 V.
  • Power supply voltage range : 2.5 V to 11 V.
  • Reference voltage : 2.0 V ± 1%.
  • Error amplifier threshold voltage : 1.00 V ± 1% (CH1), 1.23 V ± 1% (CH2 to CH5).
  • Oscillation frequency r.