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The Texas Instruments LMR36015FSCEVM and LMR36015AEVM evaluation modules (EVM) help
designers evaluate the operation and performance of the LMR36015-Q1 wide-input buck regulators. The
LMR36015-Q1 is an easy-to-use synchronous step-down DC/DC converter capable of driving up to 1.5 A
of load current from an input voltage of up to 60 V. The LMR36015FSCEVM features a selectable output
voltage of 3.3 V or 5 V and a switching frequency of 2.1 MHz. The LMR36015AEVM features a selectable
output voltage of 3.3 V or 5 V and a switching frequency of 400 kHz. See the
for additional features, detailed descriptions, and available options.
The EVM options are found in
EVM
LMR36015AEVM
LMR36015FSCEVM
1
.....................................................................................................................
2
.....................................................................................................................
3
4
5
Bill of Materials
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6
Test Results
1
EVM Board Connections
2
Jumper Locations
3
LMR36015xxxEVM Schematic
4
5
6
7
8
9
10
LMR36015AEVM 5 V
11
LMR36015AEVM 3.3 V
12
LMR36015AEVM 5 V
13
LMR36015AEVM 3.3 V
14
LMR36015AEVM 5 V
15
LMR36015AEVM 3.3 V
16
LMR36015AEVM 5 V
17
LMR36015AEVM 3.3 V
18
LMR36015A Low Frequency Conducted EMI Results for 5 V
19
LMR36015AEVM High Frequency Conducted EMI Results for 5 V
SNVU636 - November 2018
Submit Documentation Feedback
Table
1.
Table 1. Device and Package Configurations
U1
FREQUENCY
LMR36015-Q1
400 kHz
LMR36015-Q1
2.1 MHz
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Load Regulation
OUT
Start-Up Waveform, 24 V
OUT
Copyright © 2018, Texas Instruments Incorporated
FPWM
Disabled
Enabled
Contents
List of Figures
..............................................................................
............................................................................
, I
= 0 A to 1.5 A, T
IN
OUT
R
, I
= 0 A to 1.5 A, T
IN
OUT
....................................................
,1.5 A Load
IN
..................................................
,1.5 A Load
IN
(Blue-Average and Yellow-Peak)
OUT
(Blue-Average and Yellow-Peak)
OUT
User's Guide
SNVU636 - November 2018
LMR36015-Q1
data sheets
SPREAD SPECTRUM
CURRENT
Disabled
Enabled
..............................
= T
= 1 µs
F
............................
= T
= 1 µs
R
F
...........
LMR36015xxxEVM User's Guide
1.5 A
1.5 A
3
5
6
7
13
14
3
4
6
7
8
9
10
11
12
14
14
14
14
15
15
15
15
16
......
16
1

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Summary of Contents for Texas Instruments LMR36015FSCEVM

  • Page 1: Table Of Contents

    LMR36015-Q1 is an easy-to-use synchronous step-down DC/DC converter capable of driving up to 1.5 A of load current from an input voltage of up to 60 V. The LMR36015FSCEVM features a selectable output voltage of 3.3 V or 5 V and a switching frequency of 2.1 MHz. The LMR36015AEVM features a selectable output voltage of 3.3 V or 5 V and a switching frequency of 400 kHz.
  • Page 2 ,1.5 A Load ..........LMR36015FSCEVM 3.3 V Start-Up Waveform, 24 V ,1.5 A Load LMR36015FSCEVM Low Frequency Conducted EMI Results for 3.3 V With Spread Spectrum (Blue- ....................Average and Yellow-Peak) LMR36015FSCEVM High Frequency Conducted EMI Results for 3.3 V With Spread Spectrum (Blue- ....................
  • Page 3: Posts, Probes, And Jumpers

    Posts, Probes, and Jumpers This section describes the test points and connectors on the EVM and how to properly connect, set up, and use the LMR36015AEVM and the LMR36015FSCEVM. Screw Terminal Connectors The screw terminals on the top of the board can be used for connecting to the input and output of the EVM.
  • Page 4 PGOOD - Power-good flag output. This test point is connected to VCC or VOUT through a 100-kΩ resistor. The power-good function can be monitored at this test point. LMR36015xxxEVM User’s Guide SNVU636 – November 2018 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 5: Operation

    IC is enabled by having jumper J5 set to [EN-VIN] and check test point EN is driven high and not drooping during the load transient. SNVU636 – November 2018 LMR36015xxxEVM User’s Guide Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 6: Schematic

    Schematic www.ti.com Schematic Figure 3. LMR36015xxxEVM Schematic LMR36015xxxEVM User’s Guide SNVU636 – November 2018 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 7: Board Layout

    Board Layout www.ti.com Board Layout Figure 4. Top View of EVM SNVU636 – November 2018 LMR36015xxxEVM User’s Guide Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 8: Evm Top Copper Layer

    Board Layout www.ti.com Figure 5. EVM Top Copper Layer LMR36015xxxEVM User’s Guide SNVU636 – November 2018 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 9: Evm Mid Layer One

    Board Layout www.ti.com Figure 6. EVM Mid Layer One SNVU636 – November 2018 LMR36015xxxEVM User’s Guide Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 10: Evm Mid Layer Two

    Board Layout www.ti.com Figure 7. EVM Mid Layer Two LMR36015xxxEVM User’s Guide SNVU636 – November 2018 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 11: Evm Bottom Copper Layer

    Board Layout www.ti.com Figure 8. EVM Bottom Copper Layer SNVU636 – November 2018 LMR36015xxxEVM User’s Guide Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 12: Evm Bottom View

    Board Layout www.ti.com Figure 9. EVM Bottom View LMR36015xxxEVM User’s Guide SNVU636 – November 2018 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 13 X7S, 0603 Inductor, Shielded, Composite, 10 uH, 3 A, Coilcraft XAL4040-103MEB 0.084 ohm, SMD LMR36015FSCEVM: Adjustable 3.3V/5V Output, 2.1MHz, 1.5A 4.2V to 60V, 1.5A Synchronous Step-Down Texas Instruments LMR36015FSCQRNXRQ1 C1, C2 CAP, CERM, 22 µF, 16 V, +/- 10%, X7R,...
  • Page 14: Out Efficiency

    0.75 1.25 Output Current (A) Output Current (A) LMR3 LMR3 Figure 12. LMR36015AEVM 5 V Load Regulation Figure 13. LMR36015AEVM 3.3 V Load Regulation LMR36015xxxEVM User’s Guide SNVU636 – November 2018 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 15 Figure 16. LMR36015AEVM 5 V Start-Up Waveform, Figure 17. LMR36015AEVM 3.3 V Start-Up Waveform, 24 V ,1.5 A Load 24 V ,1.5 A Load SNVU636 – November 2018 LMR36015xxxEVM User’s Guide Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 16 Figure 18. LMR36015A Low Frequency Conducted EMI Figure 19. LMR36015AEVM High Frequency Conducted Results for 5 V (Blue-Average and Yellow-Peak) EMI Results for 5 V (Blue-Average and Yellow-Peak) LMR36015xxxEVM User’s Guide SNVU636 – November 2018 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 17: Out Efficiency

    Test Results www.ti.com LMR36015FSCEVM Test Results The LMR36015FSCEVM variant is used for all figures from Figure 20 Figure 6.2.1 Efficiency and Load Regulation 100% 100% 12 V 12 V 24 V 18 V 0.25 0.75 1.25 0.25 0.75 1.25 Output Current (A)
  • Page 18: Load Transient

    Test Results www.ti.com 6.2.2 Load Transients Figure 24. LMR36015FSCEVM 5 V Load Transient, 12 Figure 25. LMR36015FSCEVM 3.3 V Load Transient, 12 = 0 A to 1.5 A, T = 1 µs = 0 A to 1.5 A, T = 1 µs 6.2.3...
  • Page 19 Test Results www.ti.com 6.2.4 Conducted EMI Results Figure 29. LMR36015FSCEVM High Frequency Conducted Figure 28. LMR36015FSCEVM Low Frequency Conducted EMI Results for 3.3 V With Spread Spectrum (Blue- EMI Results for 3.3 V With Spread Spectrum (Blue- Average and Yellow-Peak) Average and Yellow-Peak) SNVU636 –...
  • Page 20 STANDARD TERMS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms set forth herein.
  • Page 21 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 22 【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 3.4 European Union 3.4.1 For EVMs subject to EU Directive 2014/30/EU (Electromagnetic Compatibility Directive): This is a class A product intended for use in environments other than domestic environments that are connected to a low-voltage power-supply network that supplies buildings used for domestic purposes.
  • Page 23 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 © 2018, Texas Instruments Incorporated...
  • Page 24 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2018, Texas Instruments Incorporated...

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