FAN6747
Overview
The highly integrated FAN6747 PWM controller provides several features to enhance the performance of flyback converters. To minimize standby power consumption, a proprietary green-mode function provides off-time modulation to decrease the switching frequency with load condition.
- High-Voltage Startup AC-Line Brownout Protection by HV Pin Constant Output Power Limit by HV Pin (Full AC-Line Range) Built-in 8ms Soft-Start Function Two-Level Over-Current Protection (OCP) with 220ms Debounce Short-Circuit Protection (SCP) with 15ms Debounce as Output Short Peak-Current Mode Operation with Cycle-by-Cycle Current Limiting Low Startup Current: 30µA Low Operating Current: 1.7mA Over-Temperature Protection (OTP) with an External Negative-Temperature-Coefficient (NTC) Thermistor PWM Frequency Decreasing at Green-Mode VDD Over-Voltage Protection (OVP) Internal Latch Circuit for OVP, OTP, SCP, and OCP
