GENERAL DESCRIPTION

The ACT41X is a high performance peak current mode PWM controller which applies ActivePSRTM and ActiveQRTM technology. ACT41X achieves accurate voltage regulation without the need of an opto-coupler or reference device.

FEATURES

• Patented Primary Side Regulation

    Technology

• Quasi-Resonant Operation

• Adjustable up to 120kHz Switching

    Frequency

• +/-5 Output Voltage Regulation

• Accurate OCP/OLP Protection

• Integrated Output Cord Compensation

• Integrated Line and Primary Inductance

    Compensation

• Built-in Soft-Start Circuit

• Line Under-Voltage, Thermal, Output Overvoltage,

    Output Short Protections

• Current Sense Resistor Short Protection

• Transformer Short Winding Protection

• 100mW Standby Power

• Complies with Global Energy Efficiency and

    CEC Average Efficiency Standards

• Tiny SOT23-6 Packages

APPLICATIONS

• AC/DC Adaptors/Chargers for Cell Phones,

    ADSL, PDAs, E-books

• Adaptors for Portable Media Player, DSCs,

    and Other