MB39A115 - Fujitsu Media Devices Limited

MB39A115 5 ch DC/DC Converter IC with Synchronous Rectification

The MB39A115 is a 5-channel DC/DC converter IC using pulse width modulation (PWM) , and the MB39A115 is suitable for up conversion, down conversion, and up/down converstion. The MB39A115 is built in 5 channels into TSSOP-38P/BCC-40P package and operates at 2 MHz maximum and, this IC can control and soft-start at each channel. The MB39A115 is suitable for pow.

Features

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• Supports for down-conversion with synchronous rectification (ch.1) Supports for down-conversion and up/down Zeta conversion (ch.2 to ch.4) Supports for up-conversion and up/down Sepic conversion (ch.5) Low voltage start-up (ch.5) : 1.7 V Power supply voltage range : 2.5 V to 11 V Reference voltage : 2.0 V ± 1% Error amplifier threshold voltage : 1.0 V ± 1% (ch.1) , 1.23 V ± 1% (ch.2 to ch.5) Oscillation frequency range : 200 kHz to 2.0 MHz Standby current : 0 µA (Typ) Built-in soft-start circuit independent of loads Built-in totem-pole type output for MOS FET Short-circ.