ACT4523A Datasheet - Active-Semi

Wide-Input Sensorless CC/CV Step-Down DC/DC Converter

ACT4523A Features

* 40V Input Voltage Surge

* 36V Steady State Operation

* Up to 3.5A Output Current

* Output Voltage up to 12V

* 250kHz Switching Frequency

* 91% Efficiency (Vout = 5V@3.5A at Vin = 12V)

* Patented ActiveCC Sensorless Constant Current Control

ACT4523A General Description

ACT4523A is a wide input voltage, high efficiency ActiveCC step-down DC/DC converter that operates in either CV (Constant Output Voltage) mode or CC (Constant Output Current) mode. ACT4523A provides up to 3.5A output current at 250kHz switching frequency. Active CC is a patented control scheme to ac.

ACT4523A Datasheet (391.40 KB)