Document
ACT334 Rev 2, 14-Nov-12
High Performance ActivePSRTM Primary Switching Regulator
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
over temperature conditions.
The ACT334 ActivePSRTM is optimized for high performance, cost-sensitive applications, and utilizes Active-Semi’s proprietary primary-side feedback architecture to provide accurate constant voltage, constant current (CV/CC) regulation without the need of an opto-coupler or reference device. Integrated line and primar.