SLUUCK9
april 2023
TPSM843B22
TPSM843B22EVM 20-A, Regulator Evaluation Module
Trademarks
1
Introduction
1.1
Background
1.2
Before You Begin
1.3
Performance Characteristics Summary
2
Configurations and Modifications
2.1
Output Voltage
2.2
Switching Frequency (FSEL Pin)
2.3
Current Limit, Soft-Start Time, and Internal Compensation (MSEL Pin)
2.4
Enable, UVLO (EN Pin)
3
Test Setup and Results
3.1
Input and Output Connections
3.2
Efficiency
3.3
Output Voltage Regulation
3.4
Load Transient and Loop Response
3.5
Input Voltage Ripple
3.6
Start-up and Shutdown with EN
3.7
Start-up and Shutdown with VIN
3.8
Start-up Into Pre-Bias
3.9
Thermal Performance
4
Board Layout
4.1
Layout
5
Schematic and Bill of Materials
5.1
Schematic
5.2
Bill of Materials
1
Introduction