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NCP1336A - Quasi-Resonant PWM Controller

Datasheet Summary

Description

Pin No.

Temperature Protection 3 Timer Timer 4 ZCD Zero Crossing Detection 5 Ct Timing Capacitor 6 FB Feedback Pin 7 CS Current Sense 8 GND 9 DRV Driver Output 10 VCC Supplies the

Features

  • two latch inputs: one dedicated to Over Temperature protection (OTP) which offers an easy means to connect a pull.
  • down temperature sensor like an NTC, and a second one more classical that can be used to perform an accurate Over Voltage Protection. Finally, a brownout pin which stops the circuit operation in presence of a low mains condition is included. PIN.

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Datasheet preview – NCP1336A

Datasheet Details

Part number NCP1336A
Manufacturer ON Semiconductor
File Size 0.99 MB
Description Quasi-Resonant PWM Controller
Datasheet download datasheet NCP1336A Datasheet
Additional preview pages of the NCP1336A datasheet.

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Full PDF Text Transcription

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NCP1336A/B Quasi-Resonant Current Mode Controller for High Power Universal Off-Line Supplies The NCP1336 hosts a high−performance circuitry aimed to www.onsemi.com powering quasi−resonant converters. Capitalizing on a novel QUASI−RESONANT PWM valley−lockout system, the controller shifts gears and reduces the CONTROLLER FOR HIGH POWER switching frequency as the power loading becomes lighter. This AC−DC WALL ADAPTERS results in a stable operation despite switching events always occurring in the drain−source valley. This system works down to the 4th valley and toggles to a variable frequency mode beyond, ensuring an excellent standby power performance. The controller takes benefit of a high−voltage start−up current source to provide a quick and lossless power−on sequence.
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