Magic Smoke: Microcontrollers vs. Linear Regulators


Magic smoke (also an “electronic fairy” or “semiconductor genie”) is a magic caustic smoke that is used by all microcircuits in the world until an excessive electric load occurs with overheating and the magic smoke is angrily removed from the microcircuit forever, after which stops working.

Digispark, ESP-01 and Arduino pro mini 3.3V could not stand the unequal struggle


step-down MP1584EN, — .


, digispark.


, " " — 78M05 , :



, - 35 , 28 — !


, ~10 .


, , step-down (, Digispark ;-), 330 .


.


" " 12- ESP-01:



— ams1117 ( 1.5W)


LM317 TO220 — .


— MP1584EN :



step-down — 0.3 ( 0.1 )


, ESP-.


.


LDO- ( — 0.1 — ~0.1)


AMS1117 ~0.5 5 .


LDO-, — 6 300


, " " (STM32) USB — c , Arduino Pro Mini 3.3V, 5.5???



3.3 TTL


, - MIC5205 (KB33,LB33, KBAA) 20.


- , 12 ?


was surprised, -, 15 — !


, 12 ( , 14.8), step-down .


Arduino Pro mini 3.3 , .


KB33, LB33, KBAA, L0RA, L0RB, LG33 — 15-19


, " " — 4B2X 52RL .


"" AMS1117 .


PRO Mini 5V KB50 , 20.


!


, , !


, .


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