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Exhibition Information

APEC 2008

  High Voltage Input
  1ch Step-down Switching Regulator BD9870FPS

ROHM's simple step-down switching regulator integrates a power MOSFET and phase compensation circuitry,
enabling configuration with only 3 external components – a diode, small coil, and ceramic capacitor – using just 5 pins.

BD9870FPS

BD9870FPS

BD9870FPS

BD9870FPS

■Feature 1   ■Feature 2
High efficiency, even with integrated compensation circuitry   High voltage resistance, low ON-resistance, large current Pch MOSFET and compensation circuitry built into a compact, 5-pin package
BD9870FPS Efficiency Characteristics   IC Peripheral Circuit Diagram & Package
■Feature 3   ■Feature 4
Wide output range configurable with external resistance   High frequency 900kHz operation reduces the size of the capacitor and coil required
 
     
products 900kHz Step-down Switching Regulator with Integrated Compensation Circuitry