Part Number: PMP20001 Tool/software: WEBENCH® Design Tools I would like to add an AC to DC power in to my design. I need 12V 1A and 5V 1A outputs . I am having Atmel 2560 micro controller in my design. My questions are ;
1- Is there a more compact reference…
Part Number: UCC28740 Other Parts Discussed in Thread: PMP20001 , UCC21520 , Was hoping someone could take a look at our schematic and see if there is anything obvious. R68 has already been changed to 5 ohms (stacked 2 10 ohm resistors). And node between…
Part Number: UCC28740 Other Parts Discussed in Thread: PMP20001 , LM431 , UCC256301 Dear support member,
My customer used UCC28740. I have a question about PMP20001.
Question How do you decide the value of the resistor(R17, R21, R22, R31) connected to the…
Part Number: PMP30285 Hi
S.No
Reference Design
Working Input Range
Transformer
1
PMP30285
120-437 VAC
750317049
2
PMP30164
140-274 VAC
750316585
3
PMP20001.1
185-260VAC
750316002
I have some question on below point as Per…
Hello Mark,
I thought that the voltage drop by that resistor may be causing the UCC28740 to hit UVLO and that is not the case. If the 22 ohm resistor did not resolve the issue than it is probably not that.
There is not a dual output design in Webench…
