Timeline for Why does the LM7805 heat up?
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 26, 2022 at 6:23 | vote | accept | Shobeh | ||
| Feb 25, 2022 at 10:49 | comment | added | Ralph | You can also consider driving it directly from 3 x 1.5 V batteries or 4 x rechargable 1.2 V batteries. You might end up having problems with the switch lifetime, depending on how you do the power switching. | |
| Feb 25, 2022 at 10:43 | comment | added | Shobeh | Thanks for the assistance, comrade! I think I must weaken the power of 9 V battery and turn it into 6 V so the LM7805 will be usable. Thanks! | |
| Feb 25, 2022 at 10:33 | comment | added | Shobeh | ouch, 2 watts sounds hot, especially how small the LM7805 is.... | |
| Feb 25, 2022 at 10:28 | history | answered | Ralph | CC BY-SA 4.0 |