CR5203

CR5203 High Precision CC/CV PSR Power Switch with BJT FEATURES z Low startup current (about 1μA) z Low operating current (about 0.4mA) z Power on Soft Start z ±5% Constant Voltage Regulation and Constant Current Regulation at Universal AC input z Primary-side Sensing and Regulation Without TL431 and Opto-coupler z Programmable CV and CC Regulation z Built-in Primary winding inductance compensation z Programmable Cable Drop Compensation z Built-in Feedback Loop Open Protection z VDD Over Voltage Protection z Built-in Short Circuit Protection z Built-in Leading Edge Blanking (LEB) z Cycle-by-Cycle Current Limiting z VDD Under Voltage Lockout with Hysteresis (UVLO) z DIP7L(B) green Packaging APPLICATIONS z Switching AC/DC Small Power Adaptor z Cell Phone or Digital Cameras Charger z Auxiliary Power for PC, TV etc z Linear Regulator/RCC Replacement GENERAL DESCRIPTION CR5203 is a high performance offline PSR controller for low power AC/DC charger and adapter applications. It operates...