RT7781 Datasheet (Richtek) - PWM Flyback Controller

RT7781, PWM Flyback Controller

The RT7781 is a series of high-performance current mode PWM controllers with Richtek proprietary PowerZeroTM technology.

The PowerZeroTM provides an excellent green power solution, especially under light-load and no-load conditions.

The integrated high-voltage device provides fast start-up function

RT7781 Features

* brown-in and brown-out detection. The RT7781 offers complete protection functions such as internal Over-Temperature Protection (OTP), Over-Load Protection (OLP) and VDD Over-Voltage Protection (OVP). It also features Secondary Rectifier Short-circuit Protection (SRSP) and Current Sensing pin (CS) op