ACT4523
ACT4523 is Wide-Input Sensorless CC/CV Step-Down DC/DC Converter manufactured by Active-Semi.
- Part of the ACT4523-Active comparator family.
- Part of the ACT4523-Active comparator family.
ACT4523 Rev 7, 01-Aug-13
Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
Features
- 40V Input Voltage Surge
- 38V Steady State Operation
- 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
- Patented Cable pensation from 0Ω 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 94% Efficiency
- 225kHz Switching Frequency Eases EMI Design
-...
