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ACT412 - Quasi-Resonant PWM Controller

Download the ACT412 datasheet PDF. This datasheet also covers the ACT412-Active variant, as both devices belong to the same quasi-resonant pwm controller family and are provided as variant models within a single manufacturer datasheet.

Features

  • Patented Primary Side Regulation Technology.
  • Quasi-Resonant Operation.
  • Adjustable up to 120kHz Switching Frequency.
  • +/-5% Output Voltage Regulation.
  • Constant Power Operation Mode for Fast Start-up and Motor Drive.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ACT412-Active-Semi.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number ACT412
Manufacturer Active-Semi
File Size 312.67 KB
Description Quasi-Resonant PWM Controller
Datasheet download datasheet ACT412 Datasheet

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Other Datasheets by Active-Semi

Part Number Description
ACT410 Quasi-Resonant PWM Controller
ACT411 Quasi-Resonant PWM Controller
ACT413 Quasi-Resonant PWM Controller
ACT4012 Wide Input 1.5A Step Down Converter
ACT4012A Wide Input 1.5A Step Down Converter

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
ACT412 Rev 1, 30-Oct-13 ActivePSRTM Quasi-Resonant PWM Controller FEATURES • Patented Primary Side Regulation Technology • Quasi-Resonant Operation • Adjustable up to 120kHz Switching Frequency • +/-5% Output Voltage Regulation • Constant Power Operation Mode for Fast Start-up and Motor Drive Applications • Integrated Line and Primary Inductance Compensation • Built-in Soft-Start Circuit • Line Under-Voltage, Thermal, Output Over- voltage, Output Short Protections • Current Sense Resistor Short Protection • Transformer Short Winding Protection • Less than 100mW Standby Power • Complies with Global Energy Efficiency and CEC Average Efficiency Standards • Tiny SOT23-6 Packages mode including cycle-by-cycle current limiting.
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