Texas Instruments TPS54202EVM-716 User Manual Download Page 7 | Manualshive

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Test Setup and Results

7

SLVUAP3 – April 2016

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Copyright © 2016, Texas Instruments Incorporated

TPS54202EVM-716 2-A Regulator Evaluation Module

2.5

Load Transients

shows the TPS54202EVM-716 response to load transients. The current step is from 25% to 75%

of maximum rated load at 24-V input. Total peak-to-peak voltage variation is as shown, including ripple
and noise on the output.

Figure 5. TPS54202EVM-716 Transient Response

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Summary of Contents for TPS54202EVM-716

Page 1: ...Current Efficiency 5 3 TPS54202EVM 716 Load Regulation 6 4 TPS54202EVM 716 Line Regulation 6 5 TPS54202EVM 716 Transient Response 7 6 TPS54202EVM 716 Output Ripple IOUT 2 A 8 7 TPS54202EVM 716 Output...

Page 2: ...at high output currents The compensation components are integrated to the integrated circuit IC and an external divider allows for an adjustable output voltage Additionally the TPS54202 provides an a...

Page 3: ...e 3 are standard values not the exact value calculated using Equation 1 Table 3 Recommended Component Values VOUT V L H COUT F R2 k R3 k C8 pF 1 8 5 6 66 100 49 9 47 2 5 8 2 44 100 31 6 33 3 3 10 44 1...

Page 4: ...output voltage regulation load transients loop response output ripple input ripple and start up 2 1 Input Output Connections The TPS54202EVM 716 is provided with input output connectors and test poin...

Page 5: ...le 2 2 Efficiency 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 TPS5420...

Page 6: ...6 SLVUAP3 April 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPS54202EVM 716 2 A Regulator Evaluation Module 2 3 Output Voltage Load Regulation Figure 3 shows the...

Page 7: ...S54202EVM 716 2 A Regulator Evaluation Module 2 5 Load Transients Figure 5 shows the TPS54202EVM 716 response to load transients The current step is from 25 to 75 of maximum rated load at 24 V input T...

Page 8: ...ion Module 2 6 Output Voltage Ripple Figure 6 Figure 7 Figure 8 and Figure 9 show the TPS54202EVM 716 output voltage ripple for full load skip mode light load and no load operation VIN 24 V The output...

Page 9: ...VUAP3 April 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPS54202EVM 716 2 A Regulator Evaluation Module Figure 8 TPS54202EVM 716 Output Ripple IOUT 10 mA Figure 9...

Page 10: ...nts Incorporated TPS54202EVM 716 2 A Regulator Evaluation Module 2 7 Input Voltage Ripple Figure 10 shows the TPS54202EVM 716 input voltage ripple The output current is the rated full load of 2 A and...

Page 11: ...ut voltage reaches the UVLO threshold as set by the R4 and R5 resistor divider network In Figure 12 the input voltage is initially applied and the output is inhibited by using a 3 3 V logic signal bet...

Page 12: ...waveforms for the TPS54202EVM 716 In Figure 13 the output voltage ramps down as soon as the input voltage falls below the UVLO stop threshold as set by the R4 and R5 resistor divider network In Figur...

Page 13: ...bottom layer immediately at the pin 3 connection It is routed back to the top layer at the L1 inductor and C4 BOOT capacitor The bottom layer contains a ground plane plus a copper fill area for SW an...

Page 14: ...ayout www ti com 14 SLVUAP3 April 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated TPS54202EVM 716 2 A Regulator Evaluation Module Figure 16 TPS54202EVM 716 Bottom Side...

Page 15: ...P5 VOUT 5V 2A Max Copyright 2016 Texas Instruments Incorporated www ti com Schematic and Bill of Materials 15 SLVUAP3 April 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorpor...

Page 16: ...L1 1 15uH Inductor Shielded Drum Core Ferrite 15 H 3 5 A 0 036 ohm SMD 10x5x10mm 7447714150 Wurth Elektronik R1 1 49 9 RES 49 9 1 0 1 W 0603 0603 CRCW060349R9FKEA Vishay Dale R2 1 100k RES 100 k 1 0...

Page 17: ...ing 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 repa...

Page 18: ...transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indic...

Page 19: ...ified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors current sens...

Page 20: ...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 L...

Page 21: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

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