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VIN (Pin 34) voltage limitations

Thread Summary

The user asked if the Vin (Pin 34) input supply operating voltage range of 4.5V to 150V for the LTC3779 must be the same as the Vin for high current top N-Channel MOSFETs. The final answer clarifies that the MOSFETs must be able to handle the applied voltages, but does not specify a minimum safe voltage for the MOSFETs' Vin.
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Category: Hardware
Product Number: LTC3779

The LTC3779 data sheet shows the Vin (Pin 34) Input Supply Operating Voltage Range from 4.5V to 150V. Does it have to be the same voltage as the Vin for High Current Top N-Channel MOSFETs? 

If not, how low in can be for safe operation?

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