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发布者:微桥FP131 发布时间:2010/1/16 阅读: 10750次
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ocp FP131 |
FP131-OVER CURRENT PROTECTION IC |
FP131 OVER CURRENT PROTECTION IC |
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General Description |
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FP131 is a main rail current detection and over current protection IC. It is including a current shunt comparator, photo driver comparator with a non-inverting input precision reference regulator. The current shunt comparator has the any gain adjustable function for rail current detection using three external resistors, and the comparator non-inverting input has a 1.25V regulator for over current reference which is comparing with the output of shunt comparator and its output is driving the photo-coupler, and output active when the over current is occurred. FP131 is used with a few external parts for O.C.P. function and good active point during wide temperature range in secondary main rail power supply of SPS or DC-DC converter power supply application field. |
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Features |
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˙Wide operating voltage range: +2.7V~ +28V ˙Independent shunt and supply voltage ˙Low input offset voltage ˙Sense gain adjustable ˙Comparator reference voltage: 1.25V (2%) ˙Output sink current capability up to 16mA ˙Package: PDIP8/SOP8 | |
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