ACT4523
Overview
ACT4523 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. ACT4523 provides up to 3A output current at 225kHz switching frequency.
- 40V Input Voltage Surge
- 38V Steady State Operation
- Up to 3A output current
- Output Voltage up to 12V
- Patent Pending Active CC Sensorless Constant Current Control - Integrated Current Control Improves Efficiency, Lowers Cost, and Reduces Component Count
- Resistor Programmable - Current Limit from 1.5A to 3A - Patented Cable Compensation from 0Ω to
- ±7.5% CC Accuracy - Compensation of Input /Output Voltage Change - Temperature Compensation - Independent of inductance and Inductor DCR
- 2% Feedback Voltage Accuracy
- Up to 94% Efficiency
- 225kHz Switching Frequency Eases EMI Design
