How low-dropout (LDO) regulators work, when they should(n't) be used, LDO datasheets, key parameters to choose, power dissipation and thermals, and PCB layout/routing demo. PCBs by PCBWay https://www.pcbway.com [SUPPORT] Free trial of Altium Designer: https://www.altium.com/yt/philslab Patreon: https://www.patreon.com/phils94 Mixed-signal hardware design course: https://phils-lab-shop.fedevel.education Advanced Hardware Design Course Survey: https://forms.gle/X4jwvtZeJ1jTXh7r9 [GIT] https://github.com/pms67 [SOCIAL] Instagram: https://instagram.com/philslabyt [TIMESTAMPS] 00:00 Introduction & Basics 01:57 Altium Designer Free Trial 02:35 PCBWay 03:04 Reasons for Using LDOs 04:19 How LDOs Work 09:31 Power Dissipation Calculation 10:58 Datasheet & Key Parameters 15:05 Input/Output Capacitors and Derating 17:01 Cascading Switching and LDO Regulators 18:15 Example Design 19:34 Layout & Routing 25:47 Outro