ACT4523A
ACT4523A is Wide-Input Sensorless CC/CV Step-Down DC/DC Converter manufactured by Active-Semi.
- Part of the ACT4523A-Active comparator family.
- Part of the ACT4523A-Active comparator family.
ACT4523A Rev 0, 25-Jul-13
Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
Features
- 40V Input Voltage Surge
- 36V Steady State Operation
- Up to 3.5A Output Current
- Output Voltage up to 12V
- 250kHz Switching Frequency
- 91% Efficiency (Vout = 5V@3.5A at Vin = 12V)
- Patented ActiveCC Sensorless Constant Current
Control
- Integrated Current Control Improves
Efficiency, Lowers Cost, and Reduces ponent Count
- Resistor Programmable
- Current Limit from 1.5A to 4.0A
- Patented Cable pensation from 0 to
0.25Ω
- ±6.5% CC Accuracy
- pensation of Input /Output Voltage Change
- Temperature pensation
- Independent of inductance and Inductor DCR
- 2% Feedback Voltage Accuracy
-...
