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Complete 12V Automotive Undervoltage, Overvoltage and Revers

2018-05-01 02:08  
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View Full Size Image View Original Design NoteComplete 12V Automotive Undervoltage, Overvoltage and Reverse-Supply Protection Circuit

The LTC4365 is a unique solution that elegantly and robustly protects sensitive circuits from unpredictably high or negative supply voltages. The LTC4365 blocks positive voltages as high as 60V and negative voltages as low as –40V. Only voltages in the safe operating supply range are passed along to the load. The only external active component required is a dual N-channel MOSFET connected between the unpredictable supply and the sensitive load.




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