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Hi Juan,
Thank you for taking the time to respond. Unfortunately, I did not do a good job communicating what I was after. My electronics are to take the place of the light bulb entirely. Ideally, I would just use the bulb as a convenient power resistor but it has to go. Basically, I am forced...
I am building some digital electronics for an industrial application and there is one part that I would like to replace but I am struggling with the design. I will attach the schematic of my initial concept. I tried simulating it and ran into some unexpected behavior. The breadboard version...
You are suggesting doing something like the attached? I was thinking about a circuit like the one pictured in this application note: https://www.ricoh.com/LSI/product_power/ap_note/vr06.html
I first have a general question about LDO and standard linear regulators: Does it hurt them to have a reverse current?
Second, instead of putting a schottky on the output of the LDO, can I use one at the input for the same effect, or is the current path from the output to ground (rather than...
Diodes are planned for the next round of PCBs. Good thought on the Schottky - novice that I am, I was thinking as a physicist (ideal diode) and forgot about Vforward.
After spending some time on this, I believe the problem may have to do with switching the power rail. I suspect that the power rail dives to 0 for a short period of time during a switch (or during unusual power-up conditions where the 5V bus comes up before the power rail). When this happens...
Since this is my first post, a little background: I am a physicist but do a fair amount of microcontroller/embedded system development for both my small (hobby) business and my full time job. I also find myself doing a variety of other EE type tasks.
I recently built a special process control...
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