/diy/ - Do It Yourself

Anonymous Sat Aug 4 00:45:07 2018 No.1438279 [View]
File: 10 KB, 689x94, 1517220020542.png [View same] [iqdb] [saucenao] [google]

>>1438267
>comparators
you need a real op amp that can vary the gate voltage continuously
also most common comparators/op amps are good down to the - rail, so as long as both inputs stay below Vcc-2, you'll be safe. make sure you have a MOSFET that has an adequate Ids for the max Vgs your opamp can supply (there's usually a graph in the datasheet), also do be aware of power dissipation through the MOSFET and heatsink it appropriately

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/diy/ - Do It Yourself

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