All Questions
6
questions
0
votes
1
answer
173
views
Does V_EN have to be equal to V_IN to be "high" on an step-up dc-dc converter? (MT3608 on/off control)
I have an MT3608 step-up converter[PDF], that I'm using to power a small fan (DC 12V 0.1A) with a DC 5V (4A max) power supply.
On my board V_EN and V_IN are soldered together ex factory, meaning it'll ...
- 298
1
vote
4
answers
2k
views
Stepping up from 12vdc to 100vdc/-100vdc
I am looking to power a phone ringer circuit that requires +100 V DC and a -100 V DC. I have found a circuit here but this converts it to 120 V DC with a transformer. Is it possible to get +/-100 V DC ...
- 21
0
votes
2
answers
161
views
What is the importance of dc-dc booster efficiency?
I am going through Texas instrument web bench design suit and get 40% efficiency for some booster circuits
if booster can handle the load (Vout and Iout) according to design given by TI
what is the ...
- 547
5
votes
2
answers
704
views
Simple, compact 9V DC to 400V DC step up
I'm attempting to create my own Geiger-Muller counter based on an old, soviet STS-5 tube.
I want it to be as compact as possible. I don't want to use ready-made modules, like this one, instead I ...
- 61
0
votes
2
answers
137
views
how to demux 100V to 300V DC signal into 8 channels?
I need to 8 channels of 100Vdc to 300vdc, load current 10mA to 80mA.
my idea is to use a step transformer to step up dc 5v 1A source to 300Vdc 50mA (typical application).
low voltage side of the ...
- 547
3
votes
1
answer
5k
views
How does such an USB step-up 5V-12V work? [closed]
I just bought a cheap USB 5V to 12V step up converter:
Surprisingly, it works very well. There is few place for electronic components (maybe in the USB connector?), how can we do a 5V to 12V ...
- 1,946