AP8012A - AiT Semiconductor

AP8012A PWM CONTROLLER

AP8012A is a high performance offline PSR power switch for low power AC/DC charger and adapter applications. It operates in primary‐side sensing and regulation. Consequently, opto‐coupler and A431 could be eliminated. Proprietary Constant Voltage (CV) and Constant Current (CC) control isintegrated as shown in the figure below. In CC control, the current and .

Features

⚫ Primary‐side sensing and regulation without A431 and opto‐coupler
⚫ High precision constant voltage and current regulation at universal AC input
⚫ Multi‐mode PWM/PFM operation for efficiency improving
⚫ Integrated 2A 650V MOSFET
⚫ Good dynamic response with synchronous rectifier application
⚫ Programmable CV and CC regulation
⚫ Built‐in primary winding inductance compensation
⚫ Programmable cable drop compensation
⚫ No need for control loop compensation
⚫ Audio noise free operation
⚫ Built‐in leading edge blanking (LEB)
⚫ Ultra low start‐up current and low operating current
⚫ Comprehensive p.