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
6.5
Dynamic Responses
Figure 6-19
Vo1 Response Under Step Load Between 125 mA and 250 mA, V
IN
= 12 V, Io2–4 = 10%
Figure 6-21
Vo4 Response Under Step Load Between 100 mA and 150 mA, V
IN
= 12 V, Io1–3 = 10%
Figure 6-23
Vo1 Response Under Input Change From 16 V to 8 V, 10% Load
Figure 6-20
Vo1 Response Under Step Load Between 1 mA to 250 mA, V
IN
= 12 V, Io2–4 = 10%
Figure 6-22
Vo1 Response Under Input Change From 8 V to 16 V, 10% Load