HT7463A Datasheet Asynchronous Step Down Converter

Manufacturer: Holtek Semiconductor

HT7463A asynchronous step down converter by Holtek Semiconductor - Datasheet Preview

Datasheet Details

Part number	HT7463A
Manufacturer	Holtek Semiconductor
File Size	1.70 MB
Description	Asynchronous Step Down Converter
Download	HT7463A Download (PDF)

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.

Having a low internal switch typical RDSON value of 0.9Ω, the device has a good operating typical efficiency value of 85% and the added advantage of reduced junction temperature.

Overview

HT7463A/HT7463B 52V/600mA, 1.25MHz/550kHz Asynchronous Step Down.

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.

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