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On 4 Jul 2021, at 09:17, Vance Briggs <va...@axxe.co.uk> wrote:
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On 4 Jul 2021, at 09:13, Mark Robson <mar...@gmail.com> wrote:
I was wondering if that transistor seemed familiar, then I spotted in a schematic of mine,
<image.png>I drive LED1 with a ESP32 so it's a 3.3v logic signal. It seems to turn the leds on really brightly. VBAT is about 7v though.I'm afraid I didn't consult the datasheet on RDS(on) I just used a mental model of the mosfet as a perfect switch :)I guess it's not a problem if RDS(on) is 3 ohms if I've put it in series with a 100R.MarkPS: I have some of those mosfet left over from that project if you want to play with them. They are sot-23 package.
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On 4 Jul 2021, at 09:45, Vance Briggs <va...@axxe.co.uk> wrote:
I have marked where I think my operating point is on these graphs
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On 4 Jul 2021, at 10:26, Richard Ibbotson <richard....@btinternet.com> wrote:
The graph is not showing saturation. The current goes up as Vgs increases.
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On 4 Jul 2021, at 12:14, Vance Briggs <va...@axxe.co.uk> wrote:
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