Reddit mentions of SMAKN AC/DC TO DC Converter AC 7-35V/DC 8-5V Step Down to 5V/2A(MAX) Power Supply Module

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We found 1 Reddit mentions of SMAKN AC/DC TO DC Converter AC 7-35V/DC 8-5V Step Down to 5V/2A(MAX) Power Supply Module. Here are the top ones.

SMAKN AC/DC TO DC Converter AC 7-35V/DC 8-5V Step Down to 5V/2A(MAX) Power Supply Module
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    Features:
  • INPUT:AC 7-28V/DC 8-40V
  • Output Voltage):5V DC
  • Output Noise)：<=400mV
  • Efficiency Rate）：>=96%
  • SIZE:46*32*18
Specs:
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Found 1 comment on SMAKN AC/DC TO DC Converter AC 7-35V/DC 8-5V Step Down to 5V/2A(MAX) Power Supply Module:

u/Marzie247 · 1 pointr/diytubes
  1. It was this or this.

  2. I will test this tonight. Are you referring to the audio output ground on the pi and the amp input ground? I know you asked for AC voltage, just checking to see if you saw this DC voltage measurement from the head-fi thread:
    VDC difference from pi output ground to amp input ground (NOTE: Amp and Pi are NOT connected at this point)
    453-463 mV DC

  3. I will test this tonight.

    As far as item 1, if this is not a "good" 5 VDC regulator, I would be willing to buy a different one. The downside of my circuit design is now my wall wart is working all the time, and inefficiently at that. It gets fairly hot, although IIRC, it might do that even when just connected to the amp with it off. I suppose it is technically doing it's own 120VAC to 24VAC regulation all the time, so that would explain the heat without the amp running.

    Thanks for your help, I really appreciate it.