Texas Instruments TPS54218EVM-511 2-A User Manual
  1. Manuals
  2. Brands
  3. Texas Instruments Manuals
  4. Motherboard
  5. TPS54218EVM-511 2-A
  6. User manual
Texas Instruments TPS54218EVM-511 2-A User Manual

Texas Instruments TPS54218EVM-511 2-A User Manual

Swift regulator
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
TPS54218EVM-511 2-A, SWIFT™ Regulator Evaluation
...................................................................................................................
1
2
3
4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
SWIFT is a trademark of Texas Instruments.
SLVU331 - September 2009
Submit Documentation Feedback
.....................................................................................................
................................................................................................................
...........................................................................................
.............................................................................................
.....................................................................................
......................................................................................
.....................................................................................
.......................................................................................
.........................................................................................
...................................................................................
...............................................................................
.............................................................................................
.............................................................................................
................................................................................
..........................................................................................
..................................................................................................
.........................................................................................
.....................................................................................
Contents
List of Figures
.............................................................................
...............................................................................
............................................................................
.......................................................................
List of Tables
.............................................................................
.............................................................
TPS54218EVM-511 2-A, SWIFT™ Regulator Evaluation Module
User's Guide
SLVU331 - September 2009
Module
2
4
10
14
5
5
6
6
7
7
8
8
9
9
10
11
12
13
14
15
2
2
3
4
16
1

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the TPS54218EVM-511 2-A and is the answer not in the manual?

Questions and answers

Related Manuals for Texas Instruments TPS54218EVM-511 2-A

Summary of Contents for Texas Instruments TPS54218EVM-511 2-A

  • Page 1: Table Of Contents

    ............. TPS54218EVM-511 Performance Specification Summary ....................Output Voltages Available ..................EVM Connectors and Test Points ..................TPS54218EVM-511 Bill of Materials SWIFT is a trademark of Texas Instruments. SLVU331 – September 2009 TPS54218EVM-511 2-A, SWIFT™ Regulator Evaluation Module Submit Documentation Feedback...

  • Page 2: Introduction

    = 2 A Output ripple voltage = 2 A Output rise time Operating frequency 1000 Maximum efficiency TPS54218EVM-511, V = 3.3 V, I = 0.4 A 94.5% TPS54218EVM-511 2-A, SWIFT™ Regulator Evaluation Module SLVU331 – September 2009 Submit Documentation Feedback...

  • Page 3: Tps54218Evm-511 Layout

    0.944 V × START STOP R1 = 2.59 10 ´ 1.18 R1 × R2 = 1.18 R1 3.2 10 × ´ STOP SLVU331 – September 2009 TPS54218EVM-511 2-A, SWIFT™ Regulator Evaluation Module Submit Documentation Feedback...

  • Page 4: Test Setup And Results

    Slow start monitor test point. Test point between voltage divider network and output. Used for loop response measurements. Output voltage test point at OUT connector. GND test point at OUT connector. TPS54218EVM-511 2-A, SWIFT™ Regulator Evaluation Module SLVU331 – September 2009 Submit Documentation Feedback...

  • Page 5: Tps54218Evm-511 Efficiency

    Figure 2. TPS54218EVM-511 Low Current Efficiency The efficiency may be lower at higher ambient temperatures, due to temperature variation in the drain-to-source resistance of the internal MOSFET. SLVU331 – September 2009 TPS54218EVM-511 2-A, SWIFT™ Regulator Evaluation Module Submit Documentation Feedback...

  • Page 6: Tps54218Evm-511 Load Regulation

    TPS54218EVM-511. 1.81 1.808 1.806 1.804 1.802 I = 1 1.798 1.796 1.794 1.792 1.79 V - Input Voltage - V Figure 4. TPS54218EVM-511 Line Regulation TPS54218EVM-511 2-A, SWIFT™ Regulator Evaluation Module SLVU331 – September 2009 Submit Documentation Feedback...

  • Page 7: Tps54218Evm-511 Transient Response

    V voltage of 3.3 V. Load current for the measurement is 2 A. Fhase Gain -180 f - Frequency - Hz Figure 6. TPS54218EVM-511 Loop Response SLVU331 – September 2009 TPS54218EVM-511 2-A, SWIFT™ Regulator Evaluation Module Submit Documentation Feedback...

  • Page 8: Tps54218Evm-511 Output Ripple

    = 3.3 V. The ripple voltage is measured directly across the input capacitors. V = 50 mV/div (ac coupled) PH = 2 V/div Time = 500 ns/div Figure 8. TPS54218EVM-511 Input Ripple TPS54218EVM-511 2-A, SWIFT™ Regulator Evaluation Module SLVU331 – September 2009 Submit Documentation Feedback...

  • Page 9: Tps54218Evm-511 Start-Up Relative To

    V = 2 V/div EN = 1 V/div SS = 1 V/div V = 1 V/div Time = 5 ms/div Figure 10. TPS54218EVM-511 Start-up Relative to Enable SLVU331 – September 2009 TPS54218EVM-511 2-A, SWIFT™ Regulator Evaluation Module Submit Documentation Feedback...

  • Page 10: Board Layout

    J4. For the TPS54218, an additional input bulk capacitor may be required, depending on the EVM connection to the input supply. Figure 11. TPS54218EVM-511 Top-Side Layout TPS54218EVM-511 2-A, SWIFT™ Regulator Evaluation Module SLVU331 – September 2009 Submit Documentation Feedback...
  • Page 11 Board Layout www.ti.com Figure 12. TPS54218EVM-511 Bottom-Side Layout SLVU331 – September 2009 TPS54218EVM-511 2-A, SWIFT™ Regulator Evaluation Module Submit Documentation Feedback...

  • Page 12: Tps54218Evm-511 Layout 2

    Board Layout www.ti.com Figure 13. TPS54218EVM-511 Layout 2 TPS54218EVM-511 2-A, SWIFT™ Regulator Evaluation Module SLVU331 – September 2009 Submit Documentation Feedback...

  • Page 13: Tps54218Evm-511 Layout 3

    Board Layout www.ti.com Figure 14. TPS54218EVM-511 Layout 3 SLVU331 – September 2009 TPS54218EVM-511 2-A, SWIFT™ Regulator Evaluation Module Submit Documentation Feedback...

  • Page 14: Schematic And Bill Of Materials

    The estimated printed circuit board area for the components used in this design is 0.37 in (239 mm This area does not include test point or connectors. Schematic and Bill of Materials This section presents the TPS54218EVM-511 schematic and bill of materials. TPS54218EVM-511 2-A, SWIFT™ Regulator Evaluation Module SLVU331 – September 2009 Submit Documentation Feedback...

  • Page 15: Tps54218Evm-511 Schematic

    Schematic and Bill of Materials www.ti.com Schematic Figure 16 is the schematic for the TPS54218EVM-511. Figure 16. TPS54218EVM-511 Schematic SLVU331 – September 2009 TPS54218EVM-511 2-A, SWIFT™ Regulator Evaluation Module Submit Documentation Feedback...

  • Page 16: Tps54218Evm-511 Bill Of Materials

    3. These assemblies must comply with workmanship standards IPC-A-610 Class 2. 4. Ref designators marked with an asterisk ('**') cannot be substituted. All other components can be substituted with equivalent aaMFG's components. TPS54218EVM-511 2-A, SWIFT™ Regulator Evaluation Module SLVU331 – September 2009 Submit Documentation Feedback...
  • Page 17 EVALUATION BOARD/KIT IMPORTANT NOTICE Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling the product(s) must have electronics training and observe good engineering practice standards.

  • Page 18: Important Notice

    IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.

Table of Contents