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HV9123 - Current-Mode PWM Controller

General Description

The Supertex HV9123 is a Switch Mode Power Supply (SMPS) controller subsystem that can start and run directly from almost any DC input, from a 12V battery to a rectified and filtered 240VAC line.

Key Features

  • 10 to 450V input voltage range.
  • 1.0MHz clock.
  • >20:1 dynamic range @ 500kHz.
  • 99% Maximum duty cycle version.
  • Low internal noise.

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Datasheet Details

Part number HV9123
Manufacturer Supertex Inc
File Size 362.40 KB
Description Current-Mode PWM Controller
Datasheet download datasheet HV9123 Datasheet

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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.

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Supertex inc. HV9123 High-Voltage, Current-Mode PWM Controller Features ►► 10 to 450V input voltage range ►► <1.3mA supply current ►► >1.0MHz clock ►► >20:1 dynamic range @ 500kHz ►► 99% Maximum duty cycle version ►► Low internal noise Applications ►► Off-line high frequency power supplies ►► Universal input power supplies ►► High density power supplies ►► Very high efficiency power supplies ►► Extra wide load range power supplies General Description The Supertex HV9123 is a Switch Mode Power Supply (SMPS) controller subsystem that can start and run directly from almost any DC input, from a 12V battery to a rectified and filtered 240VAC line.