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

· LED Drivers

· Adapters/Chargers for Cell/Cordless Phones,

PDAs, MP3 and Other Portable Apparatus

· Standby and Auxiliary Power Supplies