ACT4303
ACT4303 is 30V/3A Sensorless CC/CV Step-Down DC/DC Converter manufactured by Active-Semi.
- Part of the ACT4303-Active comparator family.
- Part of the ACT4303-Active comparator family.
Active-Semi
Rev 0, 05-Dec-11
30V/3A Sensorless CC/CV Step-Down DC/DC Converter
Features
- 32V Input Voltage Surge
- 30V Steady State Input Voltage
- 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 ponent Count
- Resistor Programmable Current Limit from 1.5A to 3A
- ±7.5% CC Accuracy
- pensation of Input /Output Voltage Change
- Temperature pensation
- Independent of inductance and Inductor DCR
- 2% Feedback Voltage Accuracy
- Up to 94% Efficiency
- 225k Hz 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-8EP Package
APPLICATIONS
- USB Chargers
- LCD TV and Monitors
- Digital Video...
