SLUUB60B
May 2015 – August 2021
TPS544B25
,
TPS544C25
Trademarks
1
Introduction
2
Description
2.1
Typical End-User Applications
2.2
EVM Features
3
EVM Electrical Performance Specifications
4
Schematic
5
Test Setup
5.1
Test and Configuration Software
5.1.1
Description
5.1.2
Features
5.2
Test Equipment
5.3
The PWR-681EVM
5.4
List of Test Points, Jumpers ans Switch
6
EVM Configuration Using the Fusion GUI
6.1
Configuration Procedure
7
Test Procedure
7.1
Line/Load Regulation Measurement Procedure
7.2
Efficiency
7.3
Bode Plot Measurement Procedure
7.4
Equipment Shutdown
8
Performance Data and Typical Characteristic Curves
8.1
Efficiency
8.2
Load Regulation
8.3
Line Regulation
8.4
Transient Response
8.5
Output Ripple
8.6
Control On
8.7
Control Off
8.8
Overcurrent Protection
8.9
Control Loop Bode Plot
8.10
Thermal Image
9
Fusion GUI
10
EVM Assembly Drawing and PCB Layout
11
List of Materials
12
Revision History
8.6
Control On
Ch1 = V
IN
at 10 V/division, Ch2 = CNTL at 2 V/division, Ch3 = V
OUT
at 500 mV/division, Ch4 = PGOOD at 5 V/division
Figure 8-7
Start up from Control, 0.95-V Output at 12 V
IN
, 20-A Output
Ch1 = V
IN
at 10 V/division, Ch2 = CNTL at 2 V/division, Ch3 = V
OUT
at 500 mV/division, Ch4 = PGOOD at 5 V/division
Figure 8-8
0.5-V Pre-biase start up from Control, 0.95-V Output at 12 V
IN
, 0-A Output