All Questions
Tagged with dual-supply voltage-regulator
3
questions
1
vote
2
answers
214
views
Why is my 5 V water pump making my 7805 regulator fail?
I have a 12 V, 5 A dual power source with ground in the middle. A 7805 regulator with two 10 μF capacitors is connected to it, outputting 5 V.
I have a 5 V mini water pump connected to that 5 V line ...
- 11
1
vote
2
answers
291
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Designing dual tracking regulator low noise PSU
I want to design a power supply with the following constraints
Inputs 19 V - 0 - 19 V secondary & 9.5 V secondary - A transformer I have
ready for the project, primary 230V
. Output +15 & -...
- 11
1
vote
2
answers
161
views
Unexpected voltage drop in linear dual supply power regulator
I am attempting to implement a linear dual power regulator circuit using the 7805 and the 7905, as shown below.
It almost works, except that the voltage difference from the ground rail to the positive ...
