TPS54620同步降压转换器参考方案

1 Introduction ................................................................................................................... 2
2 Test Setup and Results ..................................................................................................... 4
3 Board Layout................................................................................................................ 11
4 Schematic and Bill of Materials........................................................................................... 16
List of Figures
1 TPS54620EVM-374 Efficiency ............................................................................................. 5
2 TPS54620EVM-374 Low Current Efficiency ............................................................................. 5
3 TPS54620EVM-374 Load Regulation..................................................................................... 6
4 TPS54620EVM-374 Line Regulation...................................................................................... 7
5 TPS54620EVM-374 Transient Response ............................................................................... 7
6 TPS54620EVM-374 Loop Response ..................................................................................... 8
7 TPS54620EVM-374 Output Ripple ....................................................................................... 8
8 TPS54620EVM-374 Input Ripple ......................................................................................... 9
9 TPS54620EVM-374 Start-Up Relative to VIN .......................................................................... 10
10 TPS54620EVM-374 Start-up Relative to Enable ...................................................................... 10
11 TPS54620EVM-374 Thermal Image..................................................................................... 11
12 TPS54620EVM-374 Top-Side Layout ................................................................................... 12
13 TPS54620EVM-374 Layout 2............................................................................................. 13
14 TPS54620EVM-374 Layout 3............................................................................................. 14
15 TPS54620EVM-374 Bottom-Side layout ................................................................................ 15
16 TPS54620EVM-374 Top-Side Assembly................................................................................ 16
17 TPS54620EVM-374 Schematic .......................................................................................... 17
List of Tables
1 Input Voltage and Output Current Summary ............................................................................. 2
2 TPS54620EVM-374 Performance Specification Summary............................................................. 2
3 Output Voltages Available .................................................................................................. 3
4 EVM Connectors and Test Points ......................................................................................... 4
5 TPS54620EVM-374 Bill of Materials..................................................................................... 18