SNVU820
February 2022
LM5149-Q1
Trademarks
1
High Density EVM Description
1.1
Typical Applications
1.2
Features and Electrical Performance
2
EVM Characteristics
3
Application Circuit Diagram
4
EVM Photo
5
Test Setup and Procedure
5.1
EVM Connections
5.2
Test Equipment
5.3
Recommended Test Setup
5.3.1
Input Connections
5.3.2
Output Connections
5.4
Test Procedure
5.4.1
Line and Load Regulation, Efficiency
6
Test Data and Performance Curves
6.1
Conversion Efficiency
6.2
Operating Waveforms
6.2.1
Switching
6.2.2
Load Transient Response
6.2.3
Line Transient Response
6.2.4
Start-Up and Shutdown With EN
6.2.5
Start-Up and Shutdown with VIN
6.3
Bode Plot
6.4
CISPR 25 EMI Performance
6.5
Thermal Performance
7
EVM Documentation
7.1
Schematic
7.2
List of Materials
7.3
PCB Layout
7.4
Component Drawings
8
Device and Documentation Support
8.1
Device Support
8.1.1
Development Support
8.2
Documentation Support
8.2.1
Related Documentation
8.2.1.1
PCB Layout Resources
8.2.1.2
Thermal Design Resources
6.2.3
Line Transient Response
Figure 6-6
Line Transient Response to V
IN
= 24 V to 72 V, I
OUT
= 4 A