-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. In
shutdown 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
Fixed 370KHz Frequency
Cycle-by-Cycle Over Current Protection
Input Under Voltage Lockout
Thermally Enhanced 8-Pin SOP Package
* Application
1.
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Distributed Power Systems
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2.
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Networking Systems
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3.
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FPGA, DSP, ASIC Power Supplies
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4.
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Green Electronics/ Appliances
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5.
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Notebook Computers
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* Package-Order information / Typical application circuit
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