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Anomalie #217

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Compensate current drawn by LM7805 on GND/+12V only

Added by François Cerbelle over 4 years ago. Updated over 4 years ago.

Status:
Résolu
Priority:
Normal
Assignee:
-
Target version:
1.1
Start date:
07/03/2020
Due date:
% Done:

100%

Estimated time:
Spent time:
0:30 h

Description

Add a resistor between -12V/GND to compensate current drawn by LM7805 on GND/+12V

Need to evaluate the current drawn by LM7805 to power all the digital circuitry

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 #1

Updated by François Cerbelle over 4 years ago

  • Description updated (diff)

Only able to compensate 20mA and use a 1/4W Resistor between GND and -12V.
If Q4 is still too warm, more similar R can be added to waste some more mA here

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 #2

Updated by Anonymous over 4 years ago

  • Status changed from Nouveau to Résolu
  • % Done changed from 0 to 100

Applied in changeset fc005-electronicload|commit:73cabebd45df.

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