25
50
75
100
125
0
0.5
1
1.5
2
2.5
3
Load Current - A
T
- Junction T
emperature - °C
J
VIN = 12V
Vout = 3.3V
Fsw = 480kHz
Ta = room temperature
no airflow
3.5
4
4.5
5
Figure 2-13. TPS54521EVM-607 Junction Temperature vs Load Current
Test Setup and Results
12
TPS54521 Step-Down Converter Evaluation Module User's Guide
SLVU379A – AUGUST 2010 – REVISED AUGUST 2021
Copyright © 2021 Texas Instruments Incorporated
