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FAN604H Description

FAN604H Offline Quasi-Resonant PWM Controller The FAN604H is an advanced PWM controller aimed at achieving power density of ≥10W/in3 in universal input range AC/DC flyback isolated power supplies. It incorporates Quasi-Resonant (QR) control with proprietary Valley Switching with a limited frequency variation. QR switching provides high efficiency by reducing switching losses while Valley Switching with a limited...

FAN604H Key Features

  • Higher Average Efficiency by Quasi-Resonant Switching Operation
  • Wide Input and Output Conditions Achieve High Power Density
  • Optimization Transformer Design for Adaptive Charger
  • User Configurable Constant Current Reference (CCR) to Limit
  • Precise Constant Output Current Regulation with Programmable
  • mWSaver® Technology for Ultra Low Standby Power Consumption
  • Built-In and User Configurable Over-Voltage Protection (OVP)
  • Programmable Over-Temperature-Protection through External NTC
  • Fully Programmable Brown-In and Brownout Protection
  • Built-In High-Voltage Startup to Reduce External ponents