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NCP1002 - Integrated Off-Line Switching Regulator

This page provides the datasheet information for the NCP1002, a member of the NCP1000 Integrated Off-Line Switching Regulator family.

Description

1 VCC Positive input supply voltage.

This pin is connected to an external capacitor for energy storage.

The startup circuit sources current out of this pin to initially charge the capacitor.

Features

  • such as undervoltage lockout, over--temperature protection, bandgap reference and leading edge blanking that make them an excellent value. Features.
  • Highly Integrated Solution.
  • Operates Over Universal Input Voltage Range (85 Vac to 265 Vac).
  • On--board 700 V Power Switch Circuit.
  • Minimal External Parts Required.
  • Input Undervoltage Lockout with Hysteresis.
  • Very Low Standby Current.
  • No Minimum Load Requirement.
  • Opto Fail--Safe Shutdown Circuit.
  • These ar.

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Datasheet preview – NCP1002

Datasheet Details

Part number NCP1002
Manufacturer ON Semiconductor
File Size 349.22 KB
Description Integrated Off-Line Switching Regulator
Datasheet download datasheet NCP1002 Datasheet
Additional preview pages of the NCP1002 datasheet.

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Full PDF Text Transcription

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NCP1000, NCP1001, NCP1002 Integrated Off- Line Switching Regulator The NCP1000 through NCP1002 series of integrated switching regulators, combine a fixed frequency PWM controller with an integrated high voltage power switch circuit. This chip allows for simple design and minimal parts count for very low cost applications which utilize an ac input. This chip is designed to power a single ended topology, typically a discontinuous mode flyback, with secondary side sensing. The internal high voltage switch circuit and startup circuit can function in continuous operation over a wide range of inputs, from 85 Vac to 265 Vac, and thus can be used in any existing power system in the world.
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