Active-Semi
ACT4514 Rev 2, 28-May-12
Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
FEATURES
• Up to 40V Input
Voltage • Up to 1.
5A Constant Output Current • Output
Voltage up to 12V • Patent Pending ActiveCC Constant Current
Control
− Integrated Current Control Improves
Efficiency, Lowers Cost, and Reduces Component Count
• Resistor Programmable Outputs
− Current Limit from 400mA to 1500mA − Patented cable compensation from DC Cable
Compensation from 0Ω to 0.
5Ω
• 2% Feedback
Voltage Accuracy • Up to 93% Efficiency • 210kHz Switching Frequency Eases EMI Design • Advanced Feature Set
− Integrated Soft Start − Thermal Shutdown − Secondary Cycle-by-Cycle Current Limit − Protection Aga...