Datasheet
Table Of Contents
- 1 Introduction
- 2 TPS54386EVM Electrical Performance Specifications
- 3 Schematic
- 3.1 Sequencing Jump (JP3)
- 3.2 Enable Jumpers (JP1 and JP2)
- 3.3 Test Point Descriptions
- 3.3.1 Input Voltage Monitoring (TP1 and TP2)
- 3.3.2 Channel 1 Output Voltage Monitoring (TP3 and TP4)
- 3.3.3 Channel 1 Loop Analysis (TP5, TP6, TP7 and TP8)
- 3.3.4 Channel 1 Switching Waveforms (TP9 and TP10)
- 3.3.5 TPS54386 Device Ground (TP11)
- 3.3.6 Channel 2 Switching Waveforms (TP12 and TP13)
- 3.3.7 Channel 2 Loop Analysis (TP14, TP15, TP16 and TP17)
- 3.3.8 Output Voltage Monitoring (TP18 and TP19)
- 4 4 Test Set Up
- 5 TPS54386EVM Typical Performance Data and Characteristic Curves
- 6 EVM Assembly Drawings and Layout
- 7 List of Materials
www.ti.com
TP4 /
TP19
TP3 /
TP18
Metal Ground Barrel
Probe Tip
Tip and Barrel Vout ripple measurement
FAN
V1
+
-
A1
-
+
V
VIN
LOAD1
5.0V @
2A
-
+
V2
-
+
LOAD2
3.3V @
2A
+
-
V3
-
+
Isolation
Transformer
4 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 Converter10 SLUU286 – March 2008
Submit Documentation Feedback