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TPS54334EVM-722 3-A Regulator Evaluation Module
This user's guide contains background information for the TPS54334 as well as support documentation for
the TPS54334EVM-722 evaluation module (PWR722-001). Also included are the performance
specifications, the schematic, and the bill of materials for the TPS54334EVM-722.
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Schematic and Bill of Materials
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TPS54334EVM-722 Output Ripple, I
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TPS54334EVM-722 Output Ripple, I
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TPS54334EVM-722 Startup Relative to Enable
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TPS54334EVM-722 Shutdown Relative to EN
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Input Voltage and Output Current Summary
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TPS54334EVM-722 Performance Specification Summary
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SLVUAH4 - August 2015
Submit Documentation Feedback
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= 3 A
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= 200 mA
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Copyright © 2015, Texas Instruments Incorporated
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List of Tables
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TPS54334EVM-722 3-A Regulator Evaluation Module
User's Guide
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Summary of Contents for Texas Instruments TPS54334EVM-722
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Page 1: Table Of Contents
TPS54334EVM-722 3-A Regulator Evaluation Module This user's guide contains background information for the TPS54334 as well as support documentation for the TPS54334EVM-722 evaluation module (PWR722-001). Also included are the performance specifications, the schematic, and the bill of materials for the TPS54334EVM-722. Contents ........................ - Page 2 The compensation components are external to the integrated circuit (IC), and an external divider allows for an adjustable output voltage. Additionally, the TPS54334 provides an adjustable undervoltage lockout input. The absolute maximum input voltage is 30 V for the TPS54334EVM-722. Table 1. Input Voltage and Output Current Summary...
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Page 3: Introduction
R1 I STOP ENFALLING = 1.15 µA, I = 3.3 µA, V = 1.17 V and V = 1.21 V ENFALLING ENRISING SLVUAH4 – August 2015 TPS54334EVM-722 3-A Regulator Evaluation Module Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated... -
Page 4: Test Setup And Results
Test Setup and Results This section describes how to properly connect, set up, and use the TPS54334EVM-722 evaluation module. The section also includes test results typical for the evaluation module and covers efficiency, output voltage regulation, load transients, loop response, output ripple, input ripple, and start-up. -
Page 5: Tps54334Evm-722 Efficiency
= 24 V Output Current (A) D017 Figure 1. TPS54334EVM-722 Efficiency Figure 2 shows the efficiency for the TPS54334EVM-722 on a semi-log scale to better show light load efficiency. The ambient temperature is 25°C. = 12 V = 24 V 100m... -
Page 6: Tps54334Evm-722 Load Regulation
Test Setup and Results www.ti.com Output Voltage Load Regulation Figure 3 shows the load regulation for the TPS54334EVM-722. = 12 V = 24 V -0.1 -0.2 -0.3 -0.4 -0.5 Output Current (A) D019 Figure 3. TPS54334EVM-722 Load Regulation Measurements are given for an ambient temperature of 25°C. -
Page 7: Tps54334Evm-722 Transient Response
Load Transients Figure 5 shows the TPS54334EVM-722 response to load transients. The current step is from 25% to 75% of maximum rated load at 12-V input. Total peak-to-peak voltage variation is as shown, including ripple and noise on the output. -
Page 8: Tps54334Evm-722 Output Ripple, I
Figure Figure 8, and Figure 9 show the TPS54334EVM-722 output voltage ripple for full load, light load, and skip mode operation. V = 12 V. The output The ripple voltage is measured directly across the output capacitors. VOUT = 20 mV/div (AC coupled) SW = 5 V/div Figure 7. -
Page 9: Tps54334Evm-722 Input Ripple
Input Voltage Ripple Figure 10 shows the TPS54334EVM-722 input voltage ripple. The output current is the rated full load of 3 A and V = 12 V. The ripple voltage is measured directly across the input capacitors. VIN = 200 mV/div (AC coupled) SW = 5 V/div Figure 10. -
Page 10: Tps54334Evm-722 Startup Relative To
Powering Up Figure 11 Figure 12 show the start-up waveforms for the TPS54334EVM-722. In Figure 11, the output voltage ramps up as soon as the input voltage reaches the UVLO threshold as set by the R1and R2 resistor divider network. In... -
Page 11: Tps54334Evm-722 Shutdown Relative To
2.10 Powering Down Figure 13 Figure 14 show the start-up waveforms for the TPS54334EVM-722. In Figure 13, the output voltage ramps down as soon as the input voltage falls below the UVLO stop threshold as set by the R1 and R2 resistor divider network. -
Page 12: Board Layout
Board Layout www.ti.com Board Layout This section provides a description of the TPS54334EVM-722, board layout, and layer illustrations. Layout Figure 15 through Figure 17 show the board layout for the TPS54334EVM-722. The topside layer of the EVM is laid out in a manner typical of a user application. The top and bottom layers are 2-oz. copper. -
Page 13: Tps54334Evm-722 Top-Side Layout
Board Layout www.ti.com Figure 16. TPS54334EVM-722 Top-Side Layout 3 Figure 17. TPS54334EVM-722 Bottom-Side Layout SLVUAH4 – August 2015 TPS54334EVM-722 3-A Regulator Evaluation Module Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated... -
Page 14: Tps54334Evm-722 Schematic
Schematic and Bill of Materials www.ti.com Schematic and Bill of Materials This section presents the TPS54334EVM-722 schematic and bill of materials. Schematic Figure 18 is the schematic for the TPS54334EVM-722. Spacer BOOT VOUT VIN = 4.2 - 28V BOOT VOUT = 3.3 V 6.8uH... -
Page 15: Tps54334Evm-722 Bill Of Materials
Schematic and Bill of Materials www.ti.com Bill of Materials Table 5 presents the bill of materials for the TPS54334EVM-722. Table 5. TPS54334EVM-722 Bill of Materials Designator Value Description Package Reference Part Number Manufacturer 10uF CAP, CERM, 10uF, 35V, +/-10%, X7R, 1210... - Page 16 STANDARD TERMS AND CONDITIONS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, or documentation (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms and conditions set forth herein. Acceptance of the EVM is expressly subject to the following terms and conditions.
- Page 17 FCC Interference Statement for Class B EVM devices NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
- Page 18 【無線電波を送信する製品の開発キットをお使いになる際の注意事項】 開発キットの中には技術基準適合証明を受けて いないものがあります。 技術適合証明を受けていないもののご使用に際しては、電波法遵守のため、以下のいずれかの 措置を取っていただく必要がありますのでご注意ください。 1. 電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用 いただく。 2. 実験局の免許を取得後ご使用いただく。 3. 技術基準適合証明を取得後ご使用いただく。 なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。 上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。 日本テキサス・イ ンスツルメンツ株式会社 東京都新宿区西新宿６丁目２４番１号 西新宿三井ビル 3.3.3 Notice for EVMs for Power Line Communication: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page 電力線搬送波通信についての開発キットをお使いになる際の注意事項については、次のところをご覧くださ い。http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page SPACER EVM Use Restrictions and Warnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS.
- Page 19 Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief in any United States or foreign court. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2015, Texas Instruments Incorporated...
- Page 20 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue.
- Page 21 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments TPS54334EVM-722...
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