ACT511 Datasheet - Active-Semi

ACT511 Quasi-Resonant PWM Controller

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. Very low standby power, good dynamic response and accurate voltage regulation is a.

ACT511 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

ACT511 Datasheet (162.15 KB)