GENERAL DESCRIPTION
ACT4515 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. ACT4515 provides up to 1.5A output current at 210kHz switching frequency.

FEATURES
• Up to 40V Input Voltage
• Up to 1.5A Constant Output Current
• Output Voltage up to 12V
• Patent Pending Active CC 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 0Ω to 0.5Ω
• ±7.5% CC Accuracy
    − Compensation of Input/ Output Voltage Change
    − Temperature Compensation
    − Independent of Inductance and Inductor DCR
• 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 Against Shorted ISET Pin
• SOP-8 Package

APPLICATIONS
• Car Charger
• Rechargeable Portable Devices
• General-Purpose CC/CV Supply