2SNVU526–May 2016
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Copyright © 2016, Texas Instruments Incorporated
Table of Contents
Contents
1 Introduction......................................................................................................................... 3
2 Technical Specification EVM Board........................................................................................ 4
3 Schematics ......................................................................................................................... 5
4 Board Layout....................................................................................................................... 7
5 Operation and Test Setup.................................................................................................... 11
5.1 Efficiency Measurement ............................................................................................... 11
5.2 Measure Load Transient............................................................................................... 12
5.3 Measure EMI............................................................................................................ 12
6 Posts, Probes, and Jumpers................................................................................................ 13
6.1 VIN1 and GND1 Posts................................................................................................. 13
6.2 VOUT and GND Posts................................................................................................. 13
6.3 IN+ and IN- Posts....................................................................................................... 13
6.4 EN and GND2 Probe................................................................................................... 13
6.5 VINs, VOUTs, and GNDs Probe...................................................................................... 13
6.6 BIAS and GNDS Probe ................................................................................................ 13
6.7 RESET and GND3 Probe.............................................................................................. 14
6.8 SYNC and GND3 Probe............................................................................................... 14
6.9 Jumper J1................................................................................................................ 14
6.10 Jumper J2................................................................................................................ 14
6.11 Jumper J3................................................................................................................ 14
7 Bill of Materials .................................................................................................................. 14
8 Efficiency and Line- and Load-Regulation ............................................................................. 16
8.1 Load Transients......................................................................................................... 17
8.2 Conducted EMI.......................................................................................................... 17
