Texas Instruments LMR36015 EVM Series Скачать руководство пользователя страница 19 | Manualshive

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Test Results

19

SNVU636 – November 2018

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Copyright © 2018, Texas Instruments Incorporated

LMR36015xxxEVM User’s Guide

6.2.4

Conducted EMI Results

Figure 28. LMR36015FSCEVM Low Frequency Conducted

EMI Results for 3.3 V

OUT

With Spread Spectrum (Blue-

Average and Yellow-Peak)

Figure 29. LMR36015FSCEVM High Frequency Conducted

EMI Results for 3.3 V

OUT

With Spread Spectrum (Blue-

Average and Yellow-Peak)

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Содержание LMR36015 EVM Series

Страница 1: ...CY FPWM SPREAD SPECTRUM CURRENT LMR36015AEVM LMR36015 Q1 400 kHz Disabled Disabled 1 5 A LMR36015FSCEVM LMR36015 Q1 2 1 MHz Enabled Enabled 1 5 A Contents 1 Posts Probes and Jumpers 3 2 Operation 5 3 Schematic 6 4 Board Layout 7 5 Bill of Materials 13 6 Test Results 14 List of Figures 1 EVM Board Connections 3 2 Jumper Locations 4 3 LMR36015xxxEVM Schematic 6 4 Top View of EVM 7 5 EVM Top Copper L...

Страница 2: ...MR36015FSCEVM 3 3 VOUT Load Transient 12 VIN IOUT 0 A to 1 5 A TR TF 1 µs 18 26 LMR36015FSCEVM 5 VOUT Start Up Waveform 12 VIN 1 5 A Load 18 27 LMR36015FSCEVM 3 3 VOUT Start Up Waveform 24 VIN 1 5 A Load 18 28 LMR36015FSCEVM Low Frequency Conducted EMI Results for 3 3 VOUT With Spread Spectrum Blue Average and Yellow Peak 19 29 LMR36015FSCEVM High Frequency Conducted EMI Results for 3 3 VOUT With ...

Страница 3: ...CEVM 1 1 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 See Figure 1 for the screw terminal connections The functions of the screw terminal connections are VIN Input supply to EVM Connect to a suitable input supply See LMR36015 Q1 data sheet for input supply requirements GND System ground IN Input supply to EVM in...

Страница 4: ...provides a 5 V output PGOOD Use this jumper to select the PGOOD pullup configuration PGOOD can be connected to either VOUT or VCC The 2 to 3 position connects PGOOD to VOUT while the 1 to 2 position connects PGOOD to VCC Figure 2 Jumper Locations 1 3 Test Points VOUTS Output voltage sense connection connect to DMM Also use for frequency response analyzer connection VINS Input voltage sense connect...

Страница 5: ...voltage use the test points VINS VOUTS and GNDS Alternatively sense wires can be soldered directly over input capacitors CIN1 or CIN2 and the output capacitors CO1 or CO2 4 Make sure the IC is enabled by having jumper J5 set to EN VIN and check that test point EN is driven high While measuring IQ unloaded input current remove all the input and output voltage probes that are most likely causing add...

Страница 6: ...Schematic www ti com 6 SNVU636 November 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated LMR36015xxxEVM User s Guide 3 Schematic Figure 3 LMR36015xxxEVM Schematic ...

Страница 7: ...www ti com Board Layout 7 SNVU636 November 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated LMR36015xxxEVM User s Guide 4 Board Layout Figure 4 Top View of EVM ...

Страница 8: ...Board Layout www ti com 8 SNVU636 November 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated LMR36015xxxEVM User s Guide Figure 5 EVM Top Copper Layer ...

Страница 9: ...www ti com Board Layout 9 SNVU636 November 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated LMR36015xxxEVM User s Guide Figure 6 EVM Mid Layer One ...

Страница 10: ...Board Layout www ti com 10 SNVU636 November 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated LMR36015xxxEVM User s Guide Figure 7 EVM Mid Layer Two ...

Страница 11: ...www ti com Board Layout 11 SNVU636 November 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated LMR36015xxxEVM User s Guide Figure 8 EVM Bottom Copper Layer ...

Страница 12: ...Board Layout www ti com 12 SNVU636 November 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated LMR36015xxxEVM User s Guide Figure 9 EVM Bottom View ...

Страница 13: ...00 ohm 100 MHz 3 A 1210 Taiyo Yuden FBMH3225HM601NT 1 LBL1 Thermal Transfer Printable Labels 0 650 W x 0 200 H 10 000 per roll Brady THT 14 423 10 1 R1 R2 RES 10 0 k 1 0 1 W 0603 Vishay Dale CRCW060310K0FKEA 2 R3 RES 100 k 1 0 1 W 0603 Vishay Dale CRCW0603100KFKEA 1 R4 RES 135 k 0 1 0 1 W 0603 Yageo America RT0603BRD07135KL 1 R5 RES 100 k 1 0 1 W 0603 Yageo America RC0603FR 07100KL 1 R6 RES 24 9 k...

Страница 14: ... SNVU636 November 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated LMR36015xxxEVM User s Guide Table 2 Bill of Materials continued Designator Description Manufacturer Part Number Quantity L1 Inductor Shielded Composite 2 2 uH 5 6 A 0 04 ohm SMD Coilcraft XAL4020 222MEB 1 6 Test Results Section 6 1 details the test results from the LMR36015AEVM variant Section 6 2 de...

Страница 15: ...as Instruments Incorporated LMR36015xxxEVM User s Guide 6 1 2 Load Transients Figure 14 LMR36015AEVM 5 VOUT Load Transient 24 VIN IOUT 0 A to 1 5 A TR TF 1 µs Figure 15 LMR36015AEVM 3 3 VOUT Load Transient 24 VIN IOUT 0 A to 1 5 A TR TF 1 µs 6 1 3 Start Up Waveforms Figure 16 LMR36015AEVM 5 VOUT Start Up Waveform 24 VIN 1 5 A Load Figure 17 LMR36015AEVM 3 3 VOUT Start Up Waveform 24 VIN 1 5 A Load...

Страница 16: ...right 2018 Texas Instruments Incorporated LMR36015xxxEVM User s Guide 6 1 4 Conducted EMI Figure 18 LMR36015A Low Frequency Conducted EMI Results for 5 VOUT Blue Average and Yellow Peak Figure 19 LMR36015AEVM High Frequency Conducted EMI Results for 5 VOUT Blue Average and Yellow Peak ...

Страница 17: ... Efficiency 0 0 25 0 5 0 75 1 1 25 1 5 0 10 20 30 40 50 60 70 80 90 100 LMR3 LMR3 6 VIN 12 VIN 18 VIN www ti com Test Results 17 SNVU636 November 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated LMR36015xxxEVM User s Guide 6 2 LMR36015FSCEVM Test Results The LMR36015FSCEVM variant is used for all figures from Figure 20 to Figure 29 6 2 1 Efficiency and Load Regulati...

Страница 18: ... 6 2 2 Load Transients Figure 24 LMR36015FSCEVM 5 VOUT Load Transient 12 VIN IOUT 0 A to 1 5 A TR TF 1 µs Figure 25 LMR36015FSCEVM 3 3 VOUT Load Transient 12 VIN IOUT 0 A to 1 5 A TR TF 1 µs 6 2 3 Start Up Waveforms Figure 26 LMR36015FSCEVM 5 VOUT Start Up Waveform 12 VIN 1 5 A Load Figure 27 LMR36015FSCEVM 3 3 VOUT Start Up Waveform 24 VIN 1 5 A Load ...

Страница 19: ...corporated LMR36015xxxEVM User s Guide 6 2 4 Conducted EMI Results Figure 28 LMR36015FSCEVM Low Frequency Conducted EMI Results for 3 3 VOUT With Spread Spectrum Blue Average and Yellow Peak Figure 29 LMR36015FSCEVM High Frequency Conducted EMI Results for 3 3 VOUT With Spread Spectrum Blue Average and Yellow Peak ...

Страница 20: ...y 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 are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasonable time to repair such EVM or provide replacements Repaired EVMs shall be warr...

Страница 21: ...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 greater than the maximum gain indicated for that type are strictly prohibited for use with this device Concernant les EVMs avec antennes détachables Conformément à la réglementation d Industrie Canada le présent émetteur radio peut fo...

Страница 22: ...ed loads Any loads applied outside of the specified output range may also result in unintended and or inaccurate operation and or possible permanent damage to the EVM and or interface electronics Please consult 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 ...

Страница 23: ...COST 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 USE LOSS OF DATA OR BUSINESS INTERRUPTION NO CLAIM SUIT OR ACTION SHALL BE BROUGHT AGAINST TI MORE THAN TWELVE 12 MONTHS AFTER THE EVENT THAT GAVE RISE TO THE CAUSE OF ACTION HAS OCCURRED 8 2 Specif...

Страница 24: ...se resources are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of these resources is prohibited No license is granted to any other TI intellectual property right or to any third party intellectual property right TI disclaims responsibility for...

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