General Description
The AP3766 is a high performance AC/DC power supply controller for battery charger and adapter applica tions. The device uses Pulse Frequency Modulation (PFM) method to build discontinuous conduction mode (DCM) flyback power supplies.

FEATUREs
· Primary Side Control for Rectangular Constant Current and Constant Voltage Output
· Sub-microampere Start-up Current
· 30mW No-load Input Power Feasible
· Tight CC Regulation Performance
· Eliminates Opto-coupler and Secondary CV/CC Control Circuitry
· Eliminates Control Loop Compensation Circuitry
· Flyback Topology in DCM Operation
· Random Frequency Modulation to Reduce System EMI
· Built-in Soft Start
· Open Feedback Protection
· Short Circuit Protection
· SOT-23-6 Package

APPLICATIONs
· Adapters/Chargers for Cell/Cordless Phones, PDAs, MP3 and Other Portable Apparatus
· LED Drivers
· Standby and Auxiliary Power Supplies