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SLVUB76 – July 2017

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TPS54335AEVM-010 3-A Regulator Evaluation Module

User's Guide

SLVUB76 – July 2017

TPS54335AEVM-010 3-A Regulator Evaluation Module

This user's guide contains background information for the TPS54335A as well as support documentation
for the TPS54335AEVM-010 evaluation module (BSR010-001). Also included are the performance
specifications, the schematic, and the bill of materials for the TPS54335AEVM-010.

Contents

1

Introduction

...................................................................................................................

2

2

Test Setup and Results

.....................................................................................................

4

3

Board Layout

................................................................................................................

12

4

Schematic and Bill of Materials

...........................................................................................

14

List of Figures

1

TPS54335AEVM-010 Efficiency

...........................................................................................

5

2

TPS54335AEVM-010 Low Current Efficiency

...........................................................................

5

3

TPS54335AEVM-010 Load Regulation

...................................................................................

6

4

TPS54335AEVM-010 Line Regulation

....................................................................................

6

5

TPS54335AEVM-010 Transient Response

..............................................................................

7

6

TPS54335AEVM-010 Loop Response

...................................................................................

7

7

TPS54335AEVM-010 Output Ripple, I

OUT

= 3 A

........................................................................

8

8

TPS54335AEVM-010 Output Ripple, I

OUT

= 100 mA

....................................................................

8

9

TPS54335AEVM-010 Output Ripple, I

OUT

= 0 A

.........................................................................

9

10

TPS54335AEVM-010 Input Ripple

.......................................................................................

9

11

TPS54335AEVM-010 Start-Up Relative to V

IN

.........................................................................

10

12

TPS54335AEVM-010 Start-up Relative to Enable

....................................................................

10

13

TPS54335AEVM-010 Shut-down Relative to V

IN

......................................................................

11

14

TPS54335AEVM-010 Shut-down Relative to EN

......................................................................

11

15

TPS54335AEVM-010 Top-Side Assembly

..............................................................................

12

16

TPS54335AEVM-010 Top-Side Layout

.................................................................................

13

17

TPS54335AEVM-010 Bottom-Side Layout

.............................................................................

13

18

TPS54335AEVM-010 Schematic

.........................................................................................

14

List of Tables

1

Input Voltage and Output Current Summary

.............................................................................

2

2

TPS54335AEVM-010 Performance Specification Summary

...........................................................

2

3

Output Voltages Available

..................................................................................................

3

4

EVM Connectors and Test Points

.........................................................................................

4

5

TPS54335AEVM-010 Bill of Materials

...................................................................................

15

Trademarks

All trademarks are the property of their respective owners.

Содержание TPS54335AEVM-010

Страница 1: ...n 6 4 TPS54335AEVM 010 Line Regulation 6 5 TPS54335AEVM 010 Transient Response 7 6 TPS54335AEVM 010 Loop Response 7 7 TPS54335AEVM 010 Output Ripple IOUT 3 A 8 8 TPS54335AEVM 010 Output Ripple IOUT 10...

Страница 2: ...ivider allows for an adjustable output voltage Additionally the TPS54335A provides an adjustable undervoltage lockout input The absolute maximum input voltage is 30 V for the TPS54335AEVM 010 Table 1...

Страница 3: ...above 0 8 V The value of R8 for a specific output voltage can be calculated using Equation 1 Use 100 k for R7 1 Table 3 lists the R9 and R10 values for some common output voltages Note that VIN must b...

Страница 4: ...be connected to J4 through a pair of 20 AWG wires The maximum load current capability must be at least 4 A to use the full capability of this EVM Wire lengths must be minimized to reduce losses in th...

Страница 5: ...ency The efficiency of this EVM peaks at a load current of about 0 5 A 1 A and then decreases as the load current increases towards full load Figure 1 shows the efficiency for the TPS54335AEVM 010 at...

Страница 6: ...LVUB76 July 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS54335AEVM 010 3 A Regulator Evaluation Module 2 3 Output Voltage Load Regulation Figure 3 shows the load...

Страница 7: ...PS54335AEVM 010 3 A Regulator Evaluation Module 2 5 Load Transients Figure 5 shows the TPS54335AEVM 010 response to load transients The current step is from 25 to 75 of maximum rated load at 24 V inpu...

Страница 8: ...struments Incorporated TPS54335AEVM 010 3 A Regulator Evaluation Module 2 7 Output Voltage Ripple Figure 7 Figure 8 and Figure 9 show the TPS54335AEVM 010 output voltage ripple for full load light loa...

Страница 9: ...opyright 2017 Texas Instruments Incorporated TPS54335AEVM 010 3 A Regulator Evaluation Module Figure 9 TPS54335AEVM 010 Output Ripple IOUT 0 A 2 8 Input Voltage Ripple Figure 10 shows the TPS54335AEVM...

Страница 10: ...voltage ramps up as soon as the input voltage reaches the UVLO threshold as set by the R1and R2 resistor divider network In Figure 12 the input voltage is initially applied and the output is inhibite...

Страница 11: ...0 Powering Down Figure 13 and Figure 14 show the start up waveforms for the TPS54335AEVM 010 In Figure 13 the output voltage ramps down as soon as the input voltage falls below the UVLO stop threshold...

Страница 12: ...capacitor The bottom layer contains a ground plane plus a copper fill area for VPHASE an etch run to connect the upper resistor of the voltage set point divider to the regulation point at the J2 outpu...

Страница 13: ...VUB76 July 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS54335AEVM 010 3 A Regulator Evaluation Module Figure 16 TPS54335AEVM 010 Top Side Layout Figure 17 TPS543...

Страница 14: ...4335ADDAR open VIN 8V 28V VOUT 5V 3A MAX Copyright 2017 Texas Instruments Incorporated Schematic and Bill of Materials www ti com 14 SLVUB76 July 2017 Submit Documentation Feedback Copyright 2017 Texa...

Страница 15: ...0mil TSW 102 07 G S Samtec Inc L1 1 15uH Inductor Shielded Composite 15uH 3 6A 0 04 ohm SMD 322x158x322mil IHLP3232DZER150M5A Vishay Dale R1 1 220k RES 220k ohm 1 0 1W 0603 0603 RC0603FR 07220KL Yageo...

Страница 16: ...set forth above or credit User s account for such EVM TI s liability under this warranty shall be limited to EVMs that are returned during the warranty period to the address designated by TI and that...

Страница 17: ...the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain great...

Страница 18: ...t the EVM user guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even with the...

Страница 19: ...OST OF REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF...

Страница 20: ...TI Resource NO OTHER LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY OTHER TI INTELLECTUAL PROPERTY RIGHT AND NO LICENSE TO ANY TECHNOLOGY OR INTELLECTUAL PROPERTY RIGHT OF TI OR ANY THIRD...

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