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HT7463B - Asynchronous Step Down Converter

This page provides the datasheet information for the HT7463B, a member of the HT7463A Asynchronous Step Down Converter family.

Datasheet Summary

Description

The HT7463A/B is a current mode buck converter.

With a wide input range from 4.5V to 52V, the HT7463A/B is suitable for a wide range of applications such as power conditioning from unregulated sources.

Features

  • Wide Input Voltage Range 4.5V to 52V.
  • 52V / 0.9Ω Internal Power MOSFET.
  • 600mA Peak Output Current.
  • Up to 90% Efficiency.
  • 1.25MHz (HT7463A) and 550kHz (HT7463B) Fixed Operating Frequency.
  • Ultra Low Shutdown Current < 1µA.
  • Output Short Circuit Protection.
  • Thermal Shutdown Protection.
  • Package Type: SOT23-6.

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Datasheet preview – HT7463B

Datasheet Details

Part number HT7463B
Manufacturer Holtek Semiconductor
File Size 1.70 MB
Description Asynchronous Step Down Converter
Datasheet download datasheet HT7463B Datasheet
Additional preview pages of the HT7463B datasheet.

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Full PDF Text Transcription

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HT7463A/HT7463B 52V/600mA, 1.25MHz/550kHz Asynchronous Step Down Converter Features • Wide Input Voltage Range 4.5V to 52V • 52V / 0.9Ω Internal Power MOSFET • 600mA Peak Output Current • Up to 90% Efficiency • 1.25MHz (HT7463A) and 550kHz (HT7463B) Fixed Operating Frequency • Ultra Low Shutdown Current < 1µA • Output Short Circuit Protection • Thermal Shutdown Protection • Package Type: SOT23-6 Applications • Power Meters • Distribution Power Systems • Battery Chargers • Pre-Regulator for Linear Regulators General Description The HT7463A/B is a current mode buck converter. With a wide input range from 4.5V to 52V, the HT7463A/B is suitable for a wide range of applications such as power conditioning from unregulated sources.
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