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ACT511 Datasheet Quasi-resonant Pwm Controller

Manufacturer: Active-Semi

Overview: ACT511 Product Brief, 18-Feb-14 ActiveQRTM Quasi-Resonant PWM.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The ACT511 is a high performance peak current mode PWM controller.

ACT511 applies ActiveQRTM and frequency foldback technique to reduce EMI and improve efficiency.

ACT511’s maximum switching frequency is set at 90kHz.

Key Features

  • Quasi-Resonant Operation.
  • Adjustable up to 75kHz Switching Frequency.
  • Accurate OCP/OLP Protection.
  • Integrated Patented Frequency Foldback Technique.
  • Integrated Patented 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 Winding Short Protection.
  • 100mW Standby.

More Datasheets from Active-Semi

Part Number Description
ACT5101 23V Buck-Boost Converter
ACT5102 23V Buck-Boost Converter
ACT512 Quasi-Resonant PWM Controller
ACT513 ActiveQR Quasi-Resonant PWM Controller
ACT2801 5V/1.5A Backup Battery Pack Manager
ACT2801B 5V/1.5A Backup Battery Manager
ACT2801C 5V/1.5A Backup Battery Manager
ACT2802 5V/2.5A Backup Battery Pack Manager
ACT2802B 5V/2.5A Backup Battery Pack Manager
ACT2802C 5V/2.5A Backup Battery Pack Manager

ACT511 Distributor