jeudi 11 février 2021

NEW PSU V1.1

I made a few small changes to this V1.0  PSU :

V1.0 with SMD chemical capacitors

Compared to version 1.0, I changed the type of chemical capacitors and switched from SMD models to through-hole models. 

Beyond the fact that chemical SMD capacitors are quite difficult to solder, whether manually or automatically, I have bad experiences with the reliability over time of this type of capacitor.

I also put some distance between the two output terminal blocks to facilitate the insertion of cables on the first terminal block (MAIN_1).

And for fun, a small family photo of the evolution of this type of power supply:


Output technical details:

  • +5V     2A
  • +12V   2A
  • -12V    2A
  • RESET signal
  • /RESET signal
  • +5V     BATTERY
  • Floppy type power connector
Input technical details:
  • 2 x 15V/AC (18V Max)
  • Thermal fuses
Advantages:
  • Precise outputs
  • Low heat dissipation in normal use

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