8
votes
2answers
193 views

If I put multiple isolated DC/DC converters in series, can I add their isolation voltages?

Suppose I have a DC/DC converter that's rated for 2250VDC isolation for one minute. If I put two of these devices in series, making sure to maintain proper clearances on my PCB, do I get an effective ...
1
vote
2answers
135 views

Dirt cheap 3-12v DC/DC isolatior chip?

I'm creating a box that will have an external TTL trigger. I want to isolate my box's power/ground from that of the triggering device. Obviously, an optoisolator is the way to go (eg. PS2502). ...
4
votes
1answer
149 views

how to test isolation of DCDC convertor?

I have an isolated DC-DC convertor which boasts a 1.5kV isolation. I have a PCB made along with the additional components it requires. How can I test it?
4
votes
2answers
395 views

DC/DC isolated supplies in series for higher voltage?

Can I chain two isolated DC/DC supplies together for a higher output voltage? (Say, a 48V and a 12V to get 60V?) They'd be fed from the same 24V DC source. I've asked a related question before ...