Texas Instruments TPS7H1111EVM-CVAL User Manual

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User's Guide
TPS7H1111EVM-CVAL Evaluation Module (EVM)
This user's guide describes operational use of the TPS7H1111EVM-CVAL evaluation module (EVM) as a
reference design for engineering demonstration and evaluation of the TPS7H1111-SP, a 1.5-A, Ultra-Low Noise,
High PSRR, Radiation-Hardness-Assured RF Low Drop Out (LDO) regulator. This user's guide provides details
about the EVM, its configuration, schematics, and bill of material (BOM).
1 Introduction.............................................................................................................................................................................2
1.1 Related Information............................................................................................................................................................3
1.2 Features.............................................................................................................................................................................
1.3 Applications........................................................................................................................................................................3
2 Setup........................................................................................................................................................................................4
2.1 Input/Output Connectors and Jumper Descriptions...........................................................................................................
2.2 Equipment Setup................................................................................................................................................................6
3 Operation.................................................................................................................................................................................6
4 Adjustable Operation..............................................................................................................................................................7
5 Test Results.............................................................................................................................................................................8
5.1 Enable and Soft Start Timing.............................................................................................................................................
5.2 PSRR.................................................................................................................................................................................
5.3 Stability.............................................................................................................................................................................10
5.4 Noise Spectral Density.....................................................................................................................................................
6 Board Layout.........................................................................................................................................................................12
7 Schematic..............................................................................................................................................................................16
8 Bill of Materials.....................................................................................................................................................................
Figure 1-1. TPS7H1111EVM-CVAL (LP052B).............................................................................................................................
Figure 4-1. Simplified Schematic to Configure Output
Figure 5-1. TPS7H1111 enable and soft start timing...................................................................................................................
Figure 5-2. TPS7H1111EVM-CVAL PSRR vs I
Figure 5-3. TPS7H1111EVM-CVAL Gain and Phase vs. Frequency (Bode Plot)......................................................................
Figure 5-4. Output Noise vs. Frequency across Output Current (Noise Spectral Density)........................................................
Figure 6-1. Top Overlay Silkscreen............................................................................................................................................12
Figure 6-2. Top Solder Mask......................................................................................................................................................12
Figure 6-3. Top Signal Layer......................................................................................................................................................13
Figure 6-4. Signal 1 Layer.........................................................................................................................................................
Figure 6-5. Signal 2 Layer.........................................................................................................................................................
Figure 6-6. Bottom Signal Layer................................................................................................................................................
Figure 6-7. Bottom Solder Layer................................................................................................................................................15
Figure 7-1. TPS7H1111EVM-CVAL (LP052B)
Table 2-1. Jumpers......................................................................................................................................................................
Table 2-2. Test Points..................................................................................................................................................................
Table 8-1. Bill of Materials..........................................................................................................................................................17
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SLVUCG5 - JANUARY 2023
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ABSTRACT

Table of Contents

List of Figures
Voltage....................................................................................................7
.....................................................................................................................
OUT
Schematic..........................................................................................................16
List of Tables
Copyright © 2023 Texas Instruments Incorporated
TPS7H1111EVM-CVAL Evaluation Module (EVM)
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