聚元微PL333代理

PL333

Key Features • +/-5% Constant Voltage Regulation • Accurate Constant Current Regulation at Universal AC input • Eliminates Opto-coupler and all Secondary CV/CC Control Circuitry • Built-in Line Compensation for Tighter CC Regulation • Built-in Compensation for Transformer Inductance Tolerances • Adjustable Output Cable Compensation • Adaptive Multi-mode PWM/PFM Control for Improving Efficiency • Low Start-up Current • Built-in Leading Edge Blanking (LEB) • Cycle-by-Cycle Current Limiting • VDD Under Voltage Lockout with Hysteresis(UVLO) • Built-in Output Overvoltage Protection • Good dynamic response Applications • Cell/Cordless Phone Charger • PDA/Portable Audio Device Charger • Small Power Adaptor/Charger • Standby Supply for Consumer Electronic