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Switching Regulator Component Selection u0026 Sizing - Phil's Lab #71

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Phil’s Lab

How to determine and calculate appropriate component values for a switching regulator (buck converter in this example). Including sizing of input/output capacitors, inductor, rectifier diode, and feedback network.

[SUPPORT]
Free trial of Altium Designer: https://www.altium.com/yt/philslab

PCBA from $0 (Free Setup, Free Stencil): https://jlcpcb.com/RHS

Patreon:   / phils94  

Mixedsignal hardware design course: https://philslabshop.fedevel.education

[LINKS]
Switching regulator layout video:    • Switching Regulator PCB Design  Phil...  

Switching power supply PCB layout seminar:    • Switching Power Supply PCB Layout Sem...  

GitHub: https://github.com/pms67

[TIMESTAMPS]
00:00 Introduction
01:08 Altium Designer Free Trial

01:51 Buck Converter Overview
03:32 Requirements Specification
04:16 Distributor Part Search

05:54 Maximum Switching Current

08:52 Inductor Selection
10:08 Effect of Switcher Parametsr on Inductor Size

11:54 Diode Selection

12:36 Input/Output Capacitor Selection

13:58 Feedback Network
15:18 Effect of Feedback Network Tolerance on Output Voltage

16:00 Schematic Implementation

ID: QIBvbJtYjWuHiTG0uCoK

posted by bu1sie4