elec

Package

https://en.wikipedia.org/wiki/List_of_integrated_circuit_packaging_types#Transistor,_diode,_small-pin-count_IC_packages

Symbol

https://en.wikipedia.org/wiki/Electronic_symbol

Buck & Boost

by Eugene Khutoryansky: https://www.youtube.com/watch?v=vwJYIorz_Aw

More: boost.md | bulk.md

Buck/step-down regulators

https://learnabout-electronics.org/PSU/psu31.php

15: https://www.bilibili.com/video/BV1nA411t7U4

BUCK电源电感怎么选择: https://www.bilibili.com/video/BV1ig411P7dc?t=112.2

Synchronous Rectification

同/异步整流:https://www.bilibili.com/video/BV1Jv411P7Qc?t=369.7 https://www.analog.com/en/analog-dialogue/raqs/raq-issue-147.html

Boost/step-up regulators

https://learnabout-electronics.org/PSU/psu31.php

forward vs flybac

https://www.eet-china.com/mp/a12732.html 反激的变压器可以看作一个带变压功能的电感,是一个buck-boost电路。反激是初级工作,次级不工作,一般DCM模式。 正激的变压器是只有变压功能,整体可以看成一个带变压器的buck电路。正激是初级工作次级也工作,次级不工作有续流电感续流,一般是CCM模式。

反激式同步整流控制技术:https://www.bilibili.com/video/BV1bJ411W7Hi

Oscilloscope

示波器测量市电 - AB伪差分:Siglent | Tek 纹波:Tek | Rigol

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