GENERAL DESCRIPTION

The ACT334 belongs to the high performance patented ActivePSRTM Family of Universal-input AC/DC off-line controllers for battery charger and adapter applications. It is designed for flyback topology working in discontinuous conduction mode (DCM). The ACT334 meets all of the global energy efficiency regulations (CEC, European Blue Angel, and US Energy Star standards) while using very few external components.

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FEATURES

? Ultra Low Standby Power < 30mW

? Patented Primary Side Regulation

??? Technology

? Suitable Operation Frequency up to 85kHZ

? Proprietary Fast Startup Circuit

? Integrated Line and Primary Inductance

??? Compensation

? Integrated Programmable Output Cord

??? Resistance Compensation

? Line Under-Voltage, Output Over-Voltage,

??? Output Short-Circuit and Over-Temperature

??? Protection

? Complies with all Global Energy Efficiency

??? and CEC Average Efficiency Standards

? Adjustable Power from 2W to 6W

? Minimum External Components

? Tiny SOT23-6 Package

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APPLICATIONS

? Chargers for Cell Phones, PDAs, MP3,

??? Portable Media Players, DSCs, and Other

??? Portable Devices and Appliances

? RCC Adapter Replacements

? Linear Adapter Replacements

? Standby and Auxiliary Supplies

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