SNVU770
June 2021
LM5157
,
LM5157-Q1
,
LM51571-Q1
Trademarks
1
Introduction
2
Electrical Parameters
3
Application Schematic
4
EVM Picture
5
Test Setup and Procedure
5.1
EVM Test Setup Schematic
5.2
Test Equipment
6
Test Data and Performance Curves
6.1
Efficiency
6.2
Output Regulation and Cross-Regulations
6.3
Steady-State Waveforms
6.4
Start-Up Waveforms
6.5
Dynamic Responses
6.6
Short-Circuit Protection
6.7
Bode Plots
6.8
Thermal Image
7
Schematic
8
Bill of Materials
9
EVM Layout
6.2
Output Regulation and Cross-Regulations
Figure 6-2
Main Output Voltage Regulation vs Main Output Load (Io2, Io3, Io4 = 100%)
Figure 6-4
Main Output Voltage Regulation vs Input Voltage (Io2, Io3, Io4 = 100%)
Figure 6-6
Voltage Regulation of Isolated Outputs vs Input Voltage at 50% load
Figure 6-3
Cross Regulation of Isolated Outputs vs Main Output Load (Io2, Io3, Io4 = 10%)
Figure 6-5
Voltage Regulation of Isolated Outputs vs Input Voltage at 10% load
Figure 6-7
Voltage Regulation of Isolated Outputs vs Input Voltage at 100% load