RT7781 controller equivalent, pwm flyback controller.
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 O.
It is targeted for cost-effective and compact power supply units such as NB adaptors.
Marking Information
RT7781x GSY.
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 hi.
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