R7779 controller equivalent, burst triple-mode pwm controller.
The R7779 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 .
Switching AC/DC Adaptor and Battery Charger TV and Monitor Application
Typical Application Circuit
AC Mains (90V to 26.
Features
The R7779 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.
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