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NCP1205 Single Ended PWM Controller

NCP1205 Description

NCP1205 Single Ended PWM Controller Featuring QR Operation and Soft Frequency Foldback The NCP1205 combines a true Current Mode Control modulator and.
Pin No. 8 PDIP. 14 SOIC. 16 Pin Name 1 1 1 HV Function Startup rail 2 3 3 4 4 5 4 Demag Zero primary.

NCP1205 Features

* Natural Drain Valley Switching for Lower EMI and Quasi
* Resonant Operation (QR)
* Smooth Frequency Foldback for Low Standby and Minimum Ripple at Light
* Load
* Adjustable Maximum Switching Frequency
* Internal 200 ns Leading Edge Blanking on Current Sense
* 250 mA

NCP1205 Applications

* targeting the newest International Energy Agency (IEA) recommendations for standby power. The internal High
* Voltage current source provides a reliable charging path for the VCC capacitor and ensures a clean and short startup sequence without deteriorating the efficiency once off. The continu

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Single Ended PWM Controller ON Semiconductor
ON Semiconductor NCP1205-like datasheet