Texas Instruments TPS53313EVM-078, User Manual

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Figure 8-10. Start-Up Waveform (12-V VIN, 1.2-V VOUT, 6-A IOUT, 1-ms SS)........................................................................ 14
Figure 8-11. Pre-bias Start-Up Waveform (12-V VIN, 1.2-V VOUT, 0-A IOUT, 1-ms SS).......................................................... 14
Figure 8-12. Shut-Down Waveform (12-V VIN, 1.2-V VOUT, 0-A IOUT)................................................................................... 15
Figure 8-13. Over-Current Protection Waveform ( 12-V VIN, 1.2-V VOUT, IOUT increases from 6 A to 7.8 A)........................ 15
Figure 8-14. Synchronization Waveform (12-V VIN, 1.2-V VOUT, 0-A IOUT, free-running frequency = 600 kHz, SYNC
frequency = 750 kHz)............................................................................................................................................................. 16
Figure 8-15. Loop Gain (12-V VIN, 1.2-V VOUT, 6-A IOUT, Skip Mode, f
SW
= 600 kHz).......................................................... 16
Figure 8-16. Thermal Image (12-V VIN, 1.2-V VOUT, 6-A IOUT, FCCM Mode, f
SW
= 600 kHz)............................................... 17
Figure 8-17. Thermal Image (12-V VIN, 1.2-V VOUT, 6-A IOUT, FCCM Mode, f
SW
= 1.00 MHz)............................................. 17
Figure 9-1. TPS53313EVM-078 Top Layer Assembly Drawing (top view)................................................................................ 18
Figure 9-2. TPS53313EVM-078 Bottom Assembly Drawing (bottom view)............................................................................... 18
Figure 9-3. TPS53313EVM-078 Top Copper (top view)............................................................................................................ 19
Figure 9-4. TPS53313EVM-078 Layer 2 (top view)................................................................................................................... 19
Figure 9-5. TPS53313EVM-078 Layer 3 (top view)................................................................................................................... 20
Figure 9-6. TPS53313EVM-078 Bottom Layer (top view)......................................................................................................... 20
List of Tables
Table 3-1. TPS53313EVM-078 Electrical Performance Specifications
(1)
................................................................................... 3
Table 6-1. MODE Selection......................................................................................................................................................... 7
Table 6-2. OCP Selection............................................................................................................................................................ 7
Table 6-3. Switching Frequency Selection................................................................................................................................... 7
Table 7-1. Test Point Functions.................................................................................................................................................... 8
Table 10-1. TPS53313EVM-078 List of Materials...................................................................................................................... 21
Table of Contents www.ti.com
2 TPS53313 Step-Down Converter Evaluation Module User's Guide SLUU819A – DECEMBER 2011 – REVISED DECEMBER 2021
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