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

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5.2 Line and Load Regulation
0.10 1.62
I
LOAD
- Load Current - A
5.020
5.010
5.000
0.48 1.24 2.00
5.015
h - Efficiency - %
EFFICIENCY(V
OUT2
= 5.0 V)
vs
LOADCURRENT
5.005
I
LOAD
- Load Current - A
3.340
h - Efficiency - %
EFFICIENCY(V
OUT1
= 3.3 V)
vs
LOADCURRENT
3.320
3.333
3.330
3.325
3.338
13.2 V
9.6 V
12.0 V
13.2 V
9.6 V
12.0 V
3.323
3.335
0.860.10 1.620.48 1.24 2.000.86
3.328
5.3 Output Voltage Ripple
TPS54386EVM Typical Performance Data and Characteristic Curves
Figure 6. TPS54386EVM Output Voltage verse Load Current V
IN
=9.6-13.2 V, V
OUT1
= 5.0 V I
OUT1
= 0-2 A,
V
OUT2
= 3.3 V I
OUT2
= 0-2 A
Figure 7. TPS54386EVM Output Voltage Ripple (V
IN
= 13.2 V, I
OUT1
= I
OUT2
= 2 A)
SLUU286 – March 2008 A 12-V Input, 5.0-V and 3.3-V Output, 2-A Non-Synchronous Buck Converter 13
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