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2SNVU620A–September 2018–Revised April 2019
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LM5164-Q1 EVM User Guide
Contents
1 General TI High Voltage Evaluation User Safety Guidelines .......................................................... 3
2 Overview...................................................................................................................... 5
3 EVM Characteristics......................................................................................................... 7
4 LM5164-Q1 Evaluation Module............................................................................................ 7
5 Schematic ................................................................................................................... 10
6 PCB Layout ................................................................................................................. 11
7 Bill of Materials ............................................................................................................. 13
8 Performance Curves....................................................................................................... 14
List of Figures
1 LM5164-Q1 Pin Configuration (8-Pin SO Package with PowerPAD, Top View).................................... 5
2 LM5164-Q1 Buck Regulator Simplified Schematic...................................................................... 5
3 LM5164-Q1 EVM Top View ................................................................................................ 8
4 LM5164-Q1 EVM Schematic ............................................................................................. 10
5 Top Layer and Silkscreen Layer ......................................................................................... 11
6 Mid-Layer 1 Ground Plane................................................................................................ 11
7 Mid-Layer 2 Routing ....................................................................................................... 12
8 Bottom Layer Routing ..................................................................................................... 12
9 Efficiency Performance (Log Scale) ..................................................................................... 14
10 Efficiency Performance (Linear Scale) .................................................................................. 14
11 Load and Line Regulation Performance................................................................................. 14
12 Load Transient Response................................................................................................. 14
13 No Load Start-up with VIN................................................................................................ 14
14 Full Load Start-up with VIN ............................................................................................... 14
15 No Load Start-up with EN/UVLO......................................................................................... 14
16 Full Load Start-up/Shutdown with EN/UVLO ........................................................................... 14
17 EN/UVLO Start-up in Prebias............................................................................................. 14
18 Short Circuit................................................................................................................. 14
19 Short-Circuit Recovery .................................................................................................... 14
20 No-Load/Short Circuit and Short-Circuit Recovery .................................................................... 14
21 No-Load Switching......................................................................................................... 15
22 Full-Load Switching........................................................................................................ 15
23 Thermal Performance...................................................................................................... 15
24 Thermal Performance...................................................................................................... 15
25 CISPR 25 Class 5 Conducted Emissions Plot, 150 kHz to 30 MHz ................................................ 16
26 CISPR 25 Class 5 Conducted Emissions Plot, 30 MHz to 108 MHz ............................................... 16
27 CISPR 25 Class 5 Conducted Emissions Plot, 150 kHz to 30 MHz ................................................ 16
28 CISPR 25 Class 5 Conducted Emissions Plot, 30 MHz to 108 MHz ............................................... 16
List of Tables
1 Device and Package Configurations ...................................................................................... 1
2 EVM Electrical Performance Characteristics............................................................................. 7
3 LM5164-Q1 EVM Bill of Materials........................................................................................ 13
Trademarks
PowerPAD is a trademark of Texas Instruments.
All other trademarks are the property of their respective owners.
