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GB for Simple Cap-Mx Regulated Low-Noise PSU
GB for Simple Cap-Mx Regulated Low-Noise PSU
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Old 2nd March 2019, 01:57 AM   #21
ericimage2 is offline ericimage2  United States
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Old 2nd March 2019, 02:17 AM   #22
dtaylo3 is offline dtaylo3  United States
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Could this be configured to do 5v @ 3 amp for powering a Asus Tinker Board SBC?
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Old 2nd March 2019, 07:43 AM   #23
Roundtoit is offline Roundtoit  United States
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DrPro - 2 boards - USA
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Old 2nd March 2019, 08:27 AM   #24
Yatsushiro is online now Yatsushiro  France
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Quote:
Originally Posted by dtaylo3 View Post
Could this be configured to do 5v @ 3 amp for powering a Asus Tinker Board SBC?
No. See post 14, above GB for Simple Cap-Mx Regulated Low-Noise PSU
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Old 2nd March 2019, 12:00 PM   #25
xrk971 is offline xrk971  United States
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GB for Simple Cap-Mx Regulated Low-Noise PSU
With some modifications and use of flying leads to an externally mounted regulator chip such as the LT1085 you can get 5v at 3A. The capacitance multiplier will need to be mounted to a substantial heatsink as well. 3A x 3.5v is over 10w dissipation on the IRF610. Assuming you are using 12v upstream then you have 8.5v downstream and another 10w will drop off from LT1085. Circa 20w total. That’s a big heatsink. You could use a DC-DC step down and take the 12v to 9.5v then that drops less heat across the voltage regulator but still same on IRF610 (they are designed for thatbso not a problem with sufficient heat sinking).

https://www.analog.com/media/en/tech...s/108345fh.pdf
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Old 2nd March 2019, 05:07 PM   #26
Kokanee is offline Kokanee  Canada
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GB for Simple Cap-Mx Regulated Low-Noise PSU
DrPro - 2 boards - USA
Vunce - 2 boards - USA
goldkenn - 4 boards - Hong Kong
Yatsushiro - 2 boards - France
Mindfunk - 4 boards - Germany
maartn - 3 boards - Netherlands
ericimage2 - 2 boards - USA
Roundtoit - 2 boards - USA
Kokanee - 2 boards - Canada
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Old 2nd March 2019, 06:37 PM   #27
xrk971 is offline xrk971  United States
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GB for Simple Cap-Mx Regulated Low-Noise PSU
Hi Folks,
Thanks for the interest in this little PSU board. Give me a day or two and I will send out invoices for this board. Please send me your PayPal address if you have not already done so.
Thanks,
X
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Old 6th March 2019, 04:01 PM   #28
xrk971 is offline xrk971  United States
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GB for Simple Cap-Mx Regulated Low-Noise PSU
The boards have arrived and they look great. I will be sending out invoices shortly.
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File Type: jpg Simple-PSU-v2.jpg (678.7 KB, 558 views)
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Old 7th March 2019, 06:57 AM   #29
xrk971 is offline xrk971  United States
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GB Status Update
Quote:
DrPro - 2 boards - USA = Invoice Sent
Vunce - 2 boards - USA = Invoice Sent
goldkenn - 4 boards - Hong Kong = Need PayPal Address
Yatsushiro - 2 boards - France = Invoice Sent
Mindfunk - 4 boards - Germany = Need PayPal Address
maartn - 3 boards - Netherlands = Need PayPal Address
ericimage2 - 2 boards - USA = Need PayPal Address
Roundtoit - 2 boards - USA = Invoice Sent
Kokanee - 2 boards - Canada = Invoice Sent
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Old 7th March 2019, 08:17 AM   #30
Yatsushiro is online now Yatsushiro  France
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