® R7780A Burst Triple Mode PWM Controller with Integrated HV Start-up Device for Zero Power Monitor Application General Description 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 operation.
The R7780A provides users a superior AC/DC power application of higher efficiency, few external component count, and low cost solution.
It features frequency jitter, Under Voltage LockOut (UVLO), Leading Edge Blanking (LEB), internal slope compensation in the tiny SOP-7 package, and offers complete protect...

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