TP4 /
TP19
TP3 /
TP18
Metal Ground Barrel
Probe Tip
Tip and Barrel Vout ripple measurement
Figure 4-2. Tip and Barrel Measurement Technique (output ripple measurement using TP3 and TP4 or
TP18 and TP19)
LOAD1
5.0V @
2A
-
+
FAN
V2
-
+
V1
+
-
A1
-
+
V
VIN
LOAD2
3.3V @
2A
+
-
V3
-
+
Isolation
Transformer
Figure 4-3. Control Loop Measurement Setup
Test Set Up
10
TPS54383 Step-Down Converter Evaluation Module User's Guide
SLUU285D – JULY 2007 – REVISED OCTOBER 2021
Copyright © 2021 Texas Instruments Incorporated