Tagged Questions
1
vote
3answers
210 views
What parameters effect on voltage regulator's temprature?
What parameters effect on voltage regulator's temperature? Is it current of output or another parameters effect on temperature? For example if a lm7805 is used for current output of 1A and 18 volt ...
3
votes
3answers
332 views
Regulator cooling in a confined space
I've designed a simple PWM RGB LED slow fader to be used as a garden lighting effect. My circuit works great, but I under-estimated the amount of heat that is generated by the 7805 linear regulator.
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6
votes
2answers
800 views
LM317 getting hot
Should an LM317 (specifically a TI LM317MQDCYR) rated for 500ma output current really be getting hot to touch when only pulling 170ma at 5V?
Package is SOT-223, input is 9V.
Is this normal?
