SNVU191B
October 2012 – December 2021
LMR12020
Trademarks
1
Introduction
2
Features
3
Evaluation Module Schematic
4
Powering and Loading Considerations
4.1
Quick Start Procedure
4.2
Starting Up
4.3
Synchronization
4.4
No Load Start-Up at High Output Voltage
4.5
Adjusting the Output Voltage
4.6
Typical Test Setup
5
Board Images
6
Performance Characteristics
7
Bill of Materials
8
PCB Layout
9
Revision History
6
Performance Characteristics
Figure 6-1
Efficiency vs. Load Current LMR12020 V
OUT
= 5 V
Figure 6-3
Load Transient Waveforms LMR12020, V
OUT
= 5 V, V
IN
= 12 V, I
OUT
= 200 mA to 2 A
Figure 6-5
Start-Up Waveform, V
OUT
= 3.3 V
Figure 6-7
Switching Node and Output Voltage Waveforms V
IN
= 12 V, I
OUT
= 2 A
Figure 6-2
Efficiency vs. Load Current LMR12020 V
OUT
= 3.3 V
Figure 6-4
Load Transient Waveforms LMR12020, V
OUT
= 3.3 V, V
IN
= 12 V, I
OUT
= 200 mA to 2 A
Figure 6-6
Start-Up Waveform, V
OUT
= 5 V