Crimp Daddy
Member
- Joined
- Feb 21, 2018
- Messages
- 973
I'm testing this DC-DC buck converter for a project and wanted to share the results. Let me know if you guys/gals see anything funny.
The main thing I noticed is the unit doesn't start working until you give it at least 21.40 VDC (Specs show 18v on the low side). Once it fits that voltage you can turn it down and it keeps working. Is that normal?
Low Voltage shutoff was 17.07 VDC
Voltage Drop @ 5A load at 21.4 VDC Input
13.78 Idle to 13.54 under load.
I did test thing thing at a full 30 amps and it handles the load pretty well, butit starts to heat up... if you want to manage heat I would say 10-15 amps RMS at most.
https://www.aliexpress.com/item/24V...13-8V-30A-DC-DC-Charger-2018/32267954153.html
The main thing I noticed is the unit doesn't start working until you give it at least 21.40 VDC (Specs show 18v on the low side). Once it fits that voltage you can turn it down and it keeps working. Is that normal?
Low Voltage shutoff was 17.07 VDC
Voltage Drop @ 5A load at 21.4 VDC Input
13.78 Idle to 13.54 under load.
I did test thing thing at a full 30 amps and it handles the load pretty well, butit starts to heat up... if you want to manage heat I would say 10-15 amps RMS at most.
https://www.aliexpress.com/item/24V...13-8V-30A-DC-DC-Charger-2018/32267954153.html