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SLUUC42–January 2020
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Using the LM5108EVM
User's Guide
SLUUC42–January 2020
Using the LM5108EVM
This user's guide describes the characteristics, operation, and use of the LM5108 Evaluation Module
(EVM). A complete schematic diagram, PCB layouts, and BOM are included in this document.
Contents
1 Introduction ................................................................................................................... 2
2 Description.................................................................................................................... 2
2.1 Features.............................................................................................................. 2
2.2 I/O Description ...................................................................................................... 3
3 Electrical Specifications..................................................................................................... 3
4 Test Summary................................................................................................................ 4
4.1 Definitions............................................................................................................ 4
4.2 Equipment ........................................................................................................... 4
4.3 Equipment Setup.................................................................................................... 4
5 Power Up and Power Down Procedure................................................................................... 6
5.1 Power Up ............................................................................................................ 6
5.2 Power Down......................................................................................................... 6
6 Operation With External Bootstrap Diode ............................................................................... 7
7 Typical Performance Waveforms (CL= 1000 pF) ....................................................................... 8
7.1 Propagation Delays ................................................................................................ 8
8 Schematic..................................................................................................................... 9
9 Layout Diagrams ........................................................................................................... 10
10 List of Materials............................................................................................................. 14
List of Figures
1 Bench Setup Diagram and Configuration................................................................................. 5
2 Example Input and Output Waveforms (Green and Magenta are PWM Inputs, Yellow and Blue are Driver
Outputs)....................................................................................................................... 6
3 HI and HO Propagation Delay Waveforms (Green and Magenta are PWM Inputs, Yellow and Blue are
Driver Outputs) .............................................................................................................. 8
4 LI and LO Propagation Delay Waveforms (Green and Magenta are PWM Inputs, Yellow and Blue are
Driver Outputs) .............................................................................................................. 8
5 LM5108EVM Schematic .................................................................................................... 9
6 Top Overlay................................................................................................................. 10
7 Top Layer ................................................................................................................... 11
8 Bottom Layer ............................................................................................................... 12
9 Bottom Overlay ............................................................................................................ 12
10 Top Image .................................................................................................................. 13
11 Bottom Image .............................................................................................................. 13
List of Tables
1 Connection Descriptions.................................................................................................... 3
2 Two-Channel Function Generator Settings .............................................................................. 4
3 Oscilloscope Settings ....................................................................................................... 5
4 LM5108EVM List of Materials ............................................................................................ 14
