SNVAA93
December 2023
LMR38020-Q1
,
LMR38025-Q1
1
Abstract
Trademarks
1
Introduction
2
Conducted Emission Model of Buck Converters
2.1
DM Noise Emission Model
2.2
CM Noise Emission Model
3
Reducing Conducted EMI of Buck Converter in 48V DC Power rail
3.1
Bead Consideration
3.2
Layout Consideration
3.3
Power Inductor Consideration
3.4
Spread Spectrum
4
Summary
5
References
Application Note
Reducing Conducted EMI in a Buck Converter for 48 V Automotive Applications