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R7780A Datasheet

Part Number R7780A
Manufacturers Richtek Technology
Logo Richtek Technology
Description Burst Triple Mode PWM Controller
Datasheet R7780A DatasheetR7780A Datasheet (PDF)

® 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 c.

  R7780A   R7780A






Part Number R7780
Manufacturers Richtek
Logo Richtek
Description Burst Triple Mode PWM Controller
Datasheet R7780A DatasheetR7780 Datasheet (PDF)

R7780 Burst Triple Mode PWM Controller with Integrated HV Start-up Device for Zero Power Monitor Application General Description The R7780 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 R7780 provides the users a superior AC/DC power application of higher efficiency, few external component co.

  R7780A   R7780A







Burst Triple Mode PWM Controller

® 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 protection coverage with Over Temperature Protection (OTP), Over Load Protection (OLP) and Over Voltage Protection (OVP). Ordering Information R7780A Package Type S : SOP-7 N : DIP-8 Lead Plating System G : Green (Halogen Free and Pb Free) Note : Richtek products are :  RoHS compliant and compatible with the current requirements of IPC/JEDEC J-STD-020.  Suitable for use in SnPb or Pb-free soldering processes. Marking Information R7780AGS R7780A GSYMDNN R7780AGS : Product Number YMDNN : Date Code Features  Integrated HV Start-up Device  UVLO: 9V/16.5V  Current Mode Control  Built-in 65kHz Operation Frequency  Built-in Jittering Frequency  Internal PWM Leading Edge Blanking  Internal Slope Compensation  Compensated Burst Triple Mode PWM  Cycle-by-Cycle Current Limit  Internal Auto R.


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