GENERAL DESCRIPTION
ACT4514 is a wide input voltage, high efficiency ActiveCC step-down DC/DC converter that operates in either CV (Constant Output Voltage) mode or CC (Constant Output Current) mode. ACT4514 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 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 Against Shorted ISET Pin
• SOP-8 Package
APPLICATIONS
• Car Charger
• Rechargeable Portable Devices
• General-Purpose CC/CV Power Supply