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