SLUU286A
March 2008 – October 2021
TPS54286
,
TPS54386
Trademarks
1
Introduction
1.1
Description
1.2
Applications
1.3
Features
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
4.1
Equipment
4.1.1
Voltage Source
4.1.2
Meters
4.1.3
Loads
4.1.4
Oscilloscope
4.1.5
Recommended Wire Gauge
4.1.6
Other
4.2
Equipment Setup
4.2.1
Procedure
4.2.2
Diagram
4.3
Start Up / Shut Down Procedure
4.4
Output Ripple Voltage Measurement Procedure
4.5
Control Loop Gain and Phase Measurement Procedure
4.6
Equipment Shutdown
5
TPS54386EVM Typical Performance Data and Characteristic Curves
5.1
Efficiency
5.2
Line and Load Regulation
5.3
Output Voltage Ripple
5.4
Switch Node
5.5
Control Loop Bode Plot (low line, VIN = 8 V)
6
EVM Assembly Drawings and Layout
7
List of Materials
8
Revision History
4.1.2
Meters
A1: 0-3 A
DC
, ammeter
V1: VIN, 0-15 V voltmeter
V2: VOUT1 0-6 V voltmeter
V3: VOUT2 0-4 V voltmeter