ACT4523 Description
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. Active CC is a patent-pending control scheme to achieve highest accuracy sensorless constant current control.
ACT4523 Key Features
- 40V Input Voltage Surge
- 38V Steady State Operation
- Up to 3A output current
- Output Voltage up to 12V
- Patent Pending Active CC Sensorless Constant
- Resistor Programmable
- ±7.5% CC Accuracy pensation of Input /Output Voltage Change Temperature pensation Independent of inductance and In
- 2% Feedback Voltage Accuracy
- Up to 94% Efficiency
- 225kHz Switching Frequency Eases EMI Design