R7780A controller equivalent, burst triple mode pwm controller.
frequency jitter, Under Voltage LockOut (UVLO), Leading Edge Blanking (LEB), internal slope compensation in the tiny SOP-7 package, and offers complete protection coverag.
* Switching AC/DC Adaptor
* TV and Monitor Application
* Low Standby Power Home Appliance
Pin Configuration.
The R7780A is a high-performance current mode PWM controller with integrated HV start-up device inside. During start-up, a current source through integrated HV device to charge VDD capacitor for quick start-up while it dissipates no loss in normal op.
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