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Lobi
  • Member for 5 years, 2 months
  • Last seen more than 4 years ago
8 votes
2 answers
2k views

50W LED with 10W power equal to 10W LED at full power?

5 votes
4 answers
1k views

LM2596 and other DC-DC converters why oscillate if the output capacitor ESR value is too low?

1 vote
1 answer
479 views

Why mosfet doesn't turn off when battery voltage is low?

1 vote
3 answers
1k views

If I connect a schottky-diode to the DC converter output, why doesn't sense the voltage?

1 vote
3 answers
160 views

Why doesn't work this circuit? I would like to sense the temperature raising

1 vote
1 answer
5k views

How can I add to LTSpice the MC34063 model?

1 vote
1 answer
181 views

How should I modify this circuit to see exactly if the batteries fully charged or still not?

1 vote
3 answers
453 views

How can I modify this circuit to if once the battery turned off, never turn on again or turn only when min. ~0.5V increased?

0 votes
1 answer
263 views

What is the problem with this circuit? ( MOSFET + OPAMP) Battery protection circuit (draw current from battery)

0 votes
1 answer
193 views

How can I modify this voltmeter circuit to show 0.00V when nothing connected to the output

0 votes
3 answers
2k views

I would like to make a low-battery cut-off ciruit with a P-MOSFET. How can I modify this circuit to be good?

0 votes
1 answer
87 views

Can I use LT5400 as a single resistor? Can I connect the 4 resistor in series?

0 votes
1 answer
1k views

I would like to use MC34063 in step up mode, but when I change the resistor value it stopped to work

0 votes
1 answer
1k views

I bought a MP2307 DC-DC converver from eBay. I would like to filter the output, but its has a problem

0 votes
1 answer
84 views

How can I calculate inductance in this page? [closed]

0 votes
2 answers
502 views

I would like to buy DSO138 oscilloscope to measure DC converters output voltage. What is the max frequency?

0 votes
1 answer
79 views

What is the difference between the 3 circuits? (OP-AMP)

0 votes
1 answer
49 views

How can I calculate the Cimon in a DC-DC converter?

0 votes
2 answers
64 views

Mp2307 maximum duty cycle in the datasheet