Datasheet4U Logo Datasheet4U.com

HT7463B - Asynchronous Step Down Converter

Download the HT7463B datasheet PDF. This datasheet also covers the HT7463A variant, as both devices belong to the same asynchronous step down converter family and are provided as variant models within a single manufacturer datasheet.

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.

Key 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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (HT7463A-HoltekSemiconductor.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
HT74164 8-Bit Serial-In/Parallel-Out Shift Register Holtek
HT741A GENERAL PURPOSE SINGLE OPERATIONAL AMPLIFIER HTCSEMI
HT7430 Negative Voltage Regulator Holtek Semiconductor Inc
HT7450 Negative Voltage Regulator Holtek Semiconductor Inc
HT7470 Fast Battery Charger Holtek Microelectronics

Other Datasheets by Holtek Semiconductor

Part Number Description
HT7463A Asynchronous Step Down Converter
HT7465 2A Step-Down DC to DC Converter
HT7466 3A Step-Down DC to DC Converter
HT7022A 2.2V Voltage Detector
HT7022A-1 Voltage Detector

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
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.