SLVUBQ1A
August 2020 – May 2021
TPS543620
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 (MODE Pin)
2.4
Adjustable UVLO
3
Test Setup and Results
3.1
Input/Output Connections
3.2
Efficiency
3.3
Output Voltage Regulation
3.4
Load Transient and Loop Response
3.5
Output Voltage Ripple
3.6
Input Voltage Ripple
3.7
Synchronizing to a Clock
3.8
Start-up and Shutdown with EN
3.9
Start-up and Shutdown with VIN
3.10
Start-up Into Pre-Bias
3.11
Hiccup Current Limit
3.12
Overvoltage Protection
3.13
Thermal Performance
4
Board Layout
4.1
Layout
5
Schematic and Bill of Materials
5.1
Schematic
5.2
Bill of Materials
6
Revision History
1
Introduction