ACT4523A
FEATURES
- 40V Input Voltage Surge
- 36V Steady State Operation
- Up to 3.5A Output Current
- Output Voltage up to 12V
- 250k Hz Switching Frequency
- 91% Efficiency (Vout = 5V@3.5A at Vin = 12V)
- Patented 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 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
- Advanced Feature
Set
- Integrated Soft Start
- Thermal Shutdown
- Secondary Cycle-by-Cycle Current Limit
- Protection Against Shorted ISET Pin
- SOP-8EP Package
APPLICATIONS
- Car Charger/ Adaptor
- Rechargeable Portable Devices
- General-Purpose CC/CV Supply
GENERAL DESCRIPTION
ACT4523A is a wide input voltage, high efficiency Active CC step-down DC/DC converter that operates in either CV...
