FAN400A

FAN400A — Low-Power Green-Mode PWM Flyback Power Controller without Secondary Feedback FAN400A — Low-Power Green-Mode PWM Flyback Power Controller without Secondary Feedback Features ƒ Linearly Decreasing PWM Frequency ƒ Green Mode Under Light-Load and Zero-Load Conditions ƒ Constant Voltage (CV) and Constant Current (CC) ƒ No Secondary Feedback ƒ Low Startup Current: 8μA ƒ Low Operating Current: 3.6mA ƒ Leading-Edge Blanking ƒ Constant Power Limit ƒ Universal AC Input Range ƒ Synchronized Slope Compensation ƒ 140°C OTP Sensor with Hysteresis ƒ VDD Over-Voltage Clamping ƒ Cycle-by-Cycle Current Limiting ƒ Under-Voltage Lockout (UVLO) ƒ Fixed PWM Frequency with Hopping ƒ Gate Output Maximum Voltage Clamped at 17V ƒ Small SSOT-6 Package Applications General-purpose, switching mode, power supplies and flyback power converters, such as: ƒ Battery Chargers for Cellular Phones, Cordless Phones, PDAs, Digital Cameras, Power Tools ƒ Power Adapters for Ink Jet Printers, Video Game Consoles, Portable Audio Players ƒ Open-Frame SMPS for TV/DVD Standby and Auxiliary Supplies, Home Appliances, Consumer Electronics ƒ Replacement for Linear Transformers and RCC SMPS ƒ PC 5V Standby Power Ordering Information Part Number FAN400ATY FAN400ANY Operating Temperature Range -40°C to +105°C -40°C to +105°C Description This highly integrated PWM controller provides several features to enhance the performance of low-power flyback converters. To minimize standby power consumption, a proprietary...