Electronics > Projects, Designs, and Technical Stuff
A problem about my switch mode Power supply
China NewBoy:
--- Quote from: xavier60 on November 03, 2019, 02:53:46 pm ---
--- Quote from: China NewBoy on November 03, 2019, 02:18:48 pm ---it is a restrict current res , the Res change the volt is r10 r12 ,and i think the problem is relate to the current loop because the volt is accuracy with no load or larger than 20ohm
--- End quote ---
Is there activity at the comparator output pins?
--- End quote ---
it is late in china, i will try to figure out your datesheet tomorrow.thank you for your reply
China NewBoy:
--- Quote from: xavier60 on November 03, 2019, 01:22:51 pm ---I think R19 should connect to the rail being regulated, 24V.
--- End quote ---
I increase the value of R19 to 2.7K and the output volt seems no difference.
China NewBoy:
--- Quote from: China NewBoy on November 04, 2019, 01:01:12 pm ---
--- Quote from: xavier60 on November 03, 2019, 01:22:51 pm ---I think R19 should connect to the rail being regulated, 24V.
--- End quote ---
I increase the value of R19 to 2.7K and the output volt seems difference.
--- End quote ---
i think what casue my problem is the current checking loop is too sensitive.
China NewBoy:
--- Quote from: China NewBoy on November 04, 2019, 01:01:12 pm ---
--- Quote from: xavier60 on November 03, 2019, 01:22:51 pm ---I think R19 should connect to the rail being regulated, 24V.
--- End quote ---
I increase the value of R19 to 2.7K and the output volt seems no difference.
--- End quote ---
sorry about my typing mistake (lack a no.....)..sorry
China NewBoy:
https://www.youtube.com/watch?v=oZOkMZSDCR8&feature=youtu.be
My problem Video
Navigation
[0] Message Index
[#] Next page
[*] Previous page
Go to full version