Timeline for Switching an LM317BTG on/off using a microcontroller
Current License: CC BY-SA 3.0
3 events
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| Aug 30, 2014 at 16:02 | comment | added | carveone | Good point on the zener. I had a schematic note somewhere to put a resistor in the drain but I was rushing at the time. For much the same reason as I have R1 in there I'll put one in next time. Thanks for the reminder actually! | |
| Aug 30, 2014 at 15:52 | comment | added | Spehro 'speff' Pefhany | +1 Looks good. I'd add a series resistor of a few K from the drain of Q2 and a 12-15V zener from source to gate of Q1 so the 20V abs max rating Vgs of Q1 can't get exceeded even if there's a spike on the 12V. | |
| Aug 30, 2014 at 14:05 | history | answered | carveone | CC BY-SA 3.0 |