Texas Instruments 12V Input, Dual 5.0V and 3.3V Output, 2A Buck Converter Evaluation Module TPS54383EVM TPS54383EVM Datenbogen
Produktcode
TPS54383EVM
www.ti.com
TP4 /
TP19
TP19
TP3 /
TP18
TP18
Metal Ground Barrel
Probe Tip
Tip and Barrel Vout ripple measurement
LOAD1
5.0V @
2A
-
+
FAN
V2
-
+
V1
+
-
A1
-
+
V
VIN
LOAD2
3.3V @
2A
+
-
V3
-
+
Isolation
Transformer
Test Set Up
Figure 3. Tip and Barrel Measurement Technique (output ripple measurement using TP3 and TP4 or TP18
and TP19)
Figure 4. Control Loop Measurement Setup
A 12-V Input, 5.0-V and 3.3-V Output, 2-A Non-Synchronous Buck Converter
10
SLUU285C – July 2007 – Revised January 2008