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FA1A50N - Critical Conduction Mode PFC

General Description

Pin No.

1 2 COMP Error amplifier compensation 1 3 RT Maximum on time and turn on delay se

Key Features

  • Very Low Standby Power by disusing Input Voltage Detection Resistors.
  • High-precision over current protection : 0.6V±2%.
  • Improved power efficiency at light load due to Maximum Frequency Limitation.
  • Soften Audible Noise at Startup Over Shoot Reduction functions.
  • Low current consumption by CMOS process.
  • Start-up : 500µA(typ. ), Operating : 1.5mA(typ. ).
  • Enabled to drive power MOSFET directly.
  • Output peak current, source : 500mA,.

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Critical Conduction Mode PFC IC FA1A50N Datasheet 1. Overview FA1A50 is power-factor correction converter IC operating in critical conduction mode. It realizes low power consumption by using high voltage CMOS process. It is equipped with many fault protection functions such as FB short-circuit detection circuit and double OVP function. 2. Features • Very Low Standby Power by disusing Input Voltage Detection Resistors • High-precision over current protection : 0.6V±2% • Improved power efficiency at light load due to Maximum Frequency Limitation • Soften Audible Noise at Startup Over Shoot Reduction functions • Low current consumption by CMOS process • Start-up : 500µA(typ.), Operating : 1.5mA(typ.