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发布者:微桥 发布时间:2011/6/28 阅读:6705次    关键字: PT1204 MP1484 3A DC-DC
PT1204-3A,18V,350KHz Synchronous Buck Converter


PT1204-3A,18V,350KHz Synchronous Step-Down Converter PDF文档下载

GENERAL DESCRIPTION
 

The PT1204 is a monolithic pulse-width-modulated (PWM) synchronous step-down switch mode regulator with two internal power MOSFETs. It achieves 3A continuous output current over a wide input supply range with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization. Fault condition protection includes cycle-by-cycle current limit and thermal shutdown.

The PT1204 requires a minimum number of external components, available in ESOP-8 package.

 

FEATURES

l   3A Output Current

l   0.085Ω Internal Power MOSFET Switch

l   Stable with Low ESR Output Ceramic Capacitors

l   Up to 93% Efficiency

l   Fixed 350KHz Frequency

l   Thermal Shutdown

l   Cycle-by-Cycle Over Current Protection

l   Wide 4.75V to 18V Operating Input Range

l   Output Adjustable from 0.925V to 15V

l   Available in ESOP8 Packages

APPLICATION

l   PC Monitors

l   LCD TV

l   Distributed Power Systems

l   Network Systems

l   FPGA, DSP, ASIC Power Supplies

l   Notebook Computers
 
 
    
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