ACT511 Datasheet Quasi-Resonant PWM Controller

Manufacturer: Active-Semi

Download the ACT511 datasheet PDF. This datasheet also includes the ACT511-Active variant, as both parts are published together in a single manufacturer document.

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ACT511 quasi-resonant pwm controller by Active-Semi - Datasheet Preview — Note: The manufacturer provides a single datasheet file (ACT511-Active-Semi.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	ACT511
Manufacturer	Active-Semi
File Size	162.15 KB
Description	Quasi-Resonant PWM Controller
Download	ACT511 Download (PDF)

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.

Overview

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

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

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