MB39A123 - Fujitsu Media Devices

MB39A123 6 ch DC/DC Converter

MB39A123 is a 6-channel DC/DC converter IC using pulse width modulation (PWM) , and it is suitable for up conversion, down conversion, and up/down conversion. MB39A123 is built in 6 channels into BCC-48++/LQFP48P package and this IC can control and soft-start at each channel. MB39A123 is suitable for power supply of high performance potable instruments such .

Features

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• Supports for step-down with synchronous rectification (ch.1) Supports for step-down and up/down Zeta conversion (ch.2 to ch.4) Supports for step-up and up/down Sepic conversion (ch.5, ch.6) Negative voltage output (Inverting amplifier) (ch.4) Low voltage start-up (ch.5, ch.6) : 1.7 V Power supply voltage range : 2.5 V to 11 V Reference voltage : 2.0 V ± 1% Error amplifier reference voltage : 1.0 V ± 1% (ch.1) , 1.23 V ± 1% (ch.2 to ch.6) Oscillation frequency range : 200 kHz to 2.0 MHz Standby current : 0 µA (Typ) Built-in soft-start circuit independent of loads Bui.