ACT4533
ACT4533 is Wide-Input Sensorless CC/CV Step-Down DC/DC Converter manufactured by Active-Semi.
- Part of the ACT4533-Active comparator family.
- Part of the ACT4533-Active comparator family.
ACT4533 Rev 1, 25-Feb-13
Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
Features
- 40V Input Voltage Surge
- 32V Steady State Operation
- Up to 3A Output Current
- Constant Current Output with Input up to 32V
- Output Voltage up to 12V
- 125k Hz Switching Frequency Eases EMI Design
- Good EMI Performance to Pass EN55022
Radiation Regulation without adding EMI ponents
- 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
- Patented Cable pensation from 0 to 0.3Ω
- ±7.5% CC Accuracy
- pensation of Input /Output Voltage Change
- Temperature pensation
- Independent of inductance and Inductor DCR
- 2% Feedback Voltage Accuracy
- Up to 92% Efficiency
- Advanced Feature Set
- Integrated Soft Start
- Thermal Shutdown
- Secondary Cycle-by-Cycle Current Limit
- Protection Against Shorted ISET Pin
- SOP-8EP...