ACT4533 Overview
ACT4533 is a wide input voltage, high efficiency Active CC step-down DC/DC converter that operates in either CV (Constant Output Voltage) mode or CC (Constant Output Current) mode. ACT4533 provides up to 3A output current at 125kHz switching frequency. Active CC is a patent-pending control scheme to achieve highest accuracy sensorless constant current control.
ACT4533 Key Features
- 40V Input Voltage Surge
- 32V Steady State Operation
- Up to 3A Output Current
- Constant Current Output with Input up to 32V
- Output Voltage up to 12V
- 125kHz Switching Frequency Eases EMI Design
- Good EMI Performance to Pass EN55022
- Patent Pending Active CC Sensorless Constant
- Integrated Current Control Improves
- Resistor Programmable
