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NCP1001 - Integrated Off-Line Switching Regulator

Download the NCP1001 datasheet PDF. This datasheet also covers the NCP1000 variant, as both devices belong to the same integrated off-line switching regulator family and are provided as variant models within a single manufacturer datasheet.

General 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.

Key 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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (NCP1000_ONSemiconductor.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number NCP1001
Manufacturer onsemi
File Size 349.22 KB
Description Integrated Off-Line Switching Regulator
Datasheet download datasheet NCP1001 Datasheet

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Other Datasheets by onsemi

Part Number Description
NCP100 Sub 1.0V Precision Adjustable Shunt Regulator
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NCP1010 Self-Supplied Monolithic Switcher
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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.