-Data Sheet
* General Description
The AP2953A is a monolithic synchronous buck regulator.The device integrates 100m MOSFETS that provide 3Acontinuous load current over a wide operating input voltageof 4.75V to 18V.
Current mode control provides fast transientresponse and cycle-by-cycle current limit.An adjustable soft-start prevents inrush current at turn-on. Inshutdown mode, the supply current drops below 1μA.This device, available in an 8-pin SOP package, provides avery compact system solution with minimal reliance onexternal components.
* Features
1. 3A Output Current
2. Wide 4.75V to 18V Operating Input Range
3. Integrated 100m Power MOSFET Switches
4. Output Adjustable from 0.925V to 15V
5. Up to 95% Efficiency
6. Programmable Soft-Start
7. Stable with Low ESR Ceramic Output Capacitors
8. Fixed 370KHz Frequency
9. Cycle-by-Cycle Over Current Protection
10. Input Under Voltage Lockout
11. Thermally Enhanced 8-Pin SOP Package
* Applications
1.
Distributed Power Systems
2. Networking Systems
3. FPGA, DSP, ASIC Power Supplies
4. Green Electronics/ Appliances
5. Notebook Computers
* Package/Order Information
* Typical Application
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* 1 Year warranty
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