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
5.3.2
Output Connections
Connect electronic load to VOUT connection. Set the load to constant-resistance mode or constant-current mode at 0 A before applying input voltage.
Connect voltmeter 2 at VOUT and GND connections to measure the output voltage.
Connect ammeter 2 to measure the output current.