HT7463A Datasheet (Holtek Semiconductor) - Asynchronous Step Down Converter

HT7463A, Asynchronous Step Down Converter

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

HT7463A 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 S