MB3825A

FUJITSU SEMICONDUCTOR DATA SHEET DS04-27220-2E ASSP For Power Supply Applications 6-ch DC/DC Converter IC With Synchronous Rectifier MB3825A s DESCRIPTION The MB3825A is a pulse width modulation (PWM) type 6-channel DC/DC converter IC with synchronous rectification (2-channels) designed for low voltage, high efficiency operation in high precision and high frequency applications, ideal for down conversion. The MB3825A is an ideal device offering low power consumption, compact size and light weight for products such as self-contained camcorders and digital still cameras. s FEATURES Synchronous rectification (channels 1 and 4) High efficiency drive with power-on output enhanced by built-in speed-up circuit Wide range of operating power supply voltage : 2.5 V to 12 V Built-in high-precision reference voltage generator : 1.5 V±1% Wide operating oscillator frequency range, high frequency capability : 50 kHz to 800 kHz Wide input voltage range (all channels) : 0 V to Vcc - 0.9 V Error amplifier output for soft start (channels 1, 2, 4) (All channels may be set for same soft start time regardless of duty factor setting.) s PACKAGE 64-pin, Plastic LQFP (FPT-64P-M03) MB3825A s PIN ASSIGNMENT GND (O) 4, 5, 6 VCC (O) 4, 5, 6 GND (O) 1, 2, 3 VCC (O) 2 OUT2-4 OUT1-4 OUT1-3 OUT1-5 OUT1-2 50 CB1-4 CB2-4 CB2-3 CB1-3 64 63 62 61 60 59 58 57 56 55 54 53 52 51 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 CB2-2 VB4 VB3 CB2-5 CB1-5 VB5 OUT...