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发布者:微桥 发布时间:2011-7-7 阅读:5292次    关键字: FP6190 ACT4088 MO2359 微桥
FP6190-1.2A, 24V,1.4MHz Step-Down Converter


FP6190 1.2A, 24V, 1.4MHz Step-Down Converter
General Description
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The FP6190 is a buck regulator with a built-in internal power MOSFET. It can provide 1.2A 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. This device includes cycle-by-cycle current limiting and thermal shutdown protection. Internal soft-start reduces the stress on the input source at power-on. The FP6190 requires a minimum number of readily available external components to complete a 1.2A buck regulator solution.

Features
˙1.2A Output Current
˙0.35Ω Internal High Side Power MOSFET Switch
˙Stable with Low ESR Output Ceramic Capacitors
˙Up to 92% Efficiency
˙0.1μA Shutdown Mode Current
˙Fixed 1.4MHz Frequency
˙Thermal Shutdown
˙Cycle-by-Cycle Over Current Protection
˙Wide 4.5 to 24V Operating Input Range
˙Output Adjustable From 0.81 to 15V
˙Available in TSOT23-6L Packages

Typical Application Circuits

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