■ Features

• Internal 750V high voltage startup current source

• Auto-reducing switching frequency at light load

• Low EMI noise by frequency modulation

• MOSFET current detection is negative-polarity mode

• Numerous kind of protect functions (ex. Brown-out under-voltage protection)

■ Applications

• Note PC /Printer Adapter

• LCD TV/Monitor SMPS

■ Specifications

• Startup current source 7mA

• VCC voltage range 11 to 24V

• OUT pin peak current sink 1000mA, source -500mA

• IS current limiter 0.5V±10,

• VCC over-voltage protection 26V±1V (latched)

• OLP timer auto-recovery switching on/off is 0.2/1.4 sec (OLP auto-recovery or latched)