Description
The highly integrated FAN6753 PWM controller provides several features to enhance the performance of flyback converters.

Features
■ High-Voltage Startup
■ Low Operating Current: 2.7mA
■ Adaptive Decreasing PWM Frequency to 22KHz
■ Built-in Full-Range Frequency Hopping to Reduce EMI Emission
■ Fixed PWM Frequency: 65KHz
■ Peak-Current-Mode Control
■ Cycle-by-Cycle Current Limiting
■ Leading-Edge Blanking (LEB)
■ Synchronized Slope Compensation
■ Internal Auto-Recovery Open-Loop Protection
■ GATE Output Maximum Voltage Clamp: 18V
■ VDD Under-Voltage Lockout (UVLO)
■ VDD Over-Voltage Protection (OVP), Auto Recovery / Latch for Option
■ Internal Auto-Recovery Sense Short-Circuit Protection for Option
■ Constant Power Limit (Full AC Input Range)
■ Internal OTP Sensor with Hysteresis
■ Built-in 5ms Soft-Start Function
■ Built-in LATCH Pin Pull HIGH (> 5.2V) Latch Function

Applications
General-purpose switch-mode power supplies and flyback power converters, including:
■ Power Adapters
■ Open-Frame SMPS