manualshive.com logo in svg

Texas Instruments TPS54334EVM-722, User Manual, Page: 13 / 21

Share
Download
Texas Instruments TPS54334EVM-722 User Manual Download Page 13

www.ti.com

Board Layout

Figure 16. TPS54334EVM-722 Top-Side Layout 3

Figure 17. TPS54334EVM-722 Bottom-Side Layout

13

SLVUAH4 – August 2015

TPS54334EVM-722 3-A Regulator Evaluation Module

Submit Documentation Feedback

Copyright © 2015, Texas Instruments Incorporated

Summary of Contents for TPS54334EVM-722

Page 1: ...esponse 7 7 TPS54334EVM 722 Output Ripple IOUT 3 A 8 8 TPS54334EVM 722 Output Ripple IOUT 200 mA 8 9 TPS54334EVM 722 Output Ripple IOUT 0 A 8 10 TPS54334EVM 722 Input Ripple 9 11 TPS54334EVM 722 Start...

Page 2: ...the TPS54334EVM 722 Table 1 Input Voltage and Output Current Summary EVM INPUT VOLTAGE RANGE OUTPUT CURRENT RANGE TPS54334EVM 722 VIN 4 2 V to 28 V 0 A to 3 A 1 2 Performance Specification Summary A s...

Page 3: ...on output voltages Note that VIN must be in a range so that the minimum on time is greater than 145 ns and the maximum duty cycle is less than 100 The values given in Table 3 are standard values not t...

Page 4: ...res Test point TP1 provides a place to monitor the VIN input voltages with TP2 providing a convenient ground reference TP6 is used to monitor the output voltage with TP7 as the ground reference Table...

Page 5: ...shows the efficiency for the TPS54334EVM 722 at an ambient temperature of 25 C Figure 1 TPS54334EVM 722 Efficiency Figure 2 shows the efficiency for the TPS54334EVM 722 on a semi log scale to better...

Page 6: ...3 Output Voltage Load Regulation Figure 3 shows the load regulation for the TPS54334EVM 722 Figure 3 TPS54334EVM 722 Load Regulation Measurements are given for an ambient temperature of 25 C 2 4 Outpu...

Page 7: ...at 12 V input Total peak to peak voltage variation is as shown including ripple and noise on the output Figure 5 TPS54334EVM 722 Transient Response 2 6 Loop Characteristics Figure 6 shows the TPS5433...

Page 8: ...e ripple for full load light load and skip mode operation VIN 12 V The output The ripple voltage is measured directly across the output capacitors Figure 7 TPS54334EVM 722 Output Ripple IOUT 3 A Figur...

Page 9: ...put voltage ripple The output current is the rated full load of 3 A and VIN 12 V The ripple voltage is measured directly across the input capacitors Figure 10 TPS54334EVM 722 Input Ripple 9 SLVUAH4 Au...

Page 10: ...age is initially applied and the output is inhibited by using a jumper at JP1 to tie EN to GND When the jumper is removed EN is released When the EN voltage reaches the enable threshold voltage the st...

Page 11: ...e input voltage falls below the UVLO stop threshold as set by the R1 and R2 resistor divider network In Figure 14 the output is inhibited by using a jumper at JP1 to tie EN to GND The input voltage fo...

Page 12: ...a copper fill area for VPHASE an etch run to connect the upper resistor of the voltage set point divider to the regulation point at the J2 output connector and a trace to connect the upper resistor o...

Page 13: ...16 TPS54334EVM 722 Top Side Layout 3 Figure 17 TPS54334EVM 722 Bottom Side Layout 13 SLVUAH4 August 2015 TPS54334EVM 722 3 A Regulator Evaluation Module Submit Documentation Feedback Copyright 2015 T...

Page 14: ...VIN 1 VSENSE 6 EN 8 PGOOD 10 GND 3 COMP 7 PH 2 BOOT 9 PAD 11 GND 4 GND 5 U1 TPS54334DRCR L1 6 8uH TP10 JP2 VOUT Schematic and Bill of Materials www ti com 4 Schematic and Bill of Materials This secti...

Page 15: ...1 W 0603 0603 CRCW060384K5FKEA Vishay Dale R3 1 2 05k RES 2 05 k 1 0 1 W 0603 0603 CRCW06032K05FKEA Vishay Dale R4 1 51 1 RES 51 1 ohm 1 0 1W 0603 0603 CRCW060351R1FKEA Vishay Dale R5 1 31 6k RES 31 6...

Page 16: ...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 17: ...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 18: ...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 19: ...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 20: ...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...

Page 21: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments TPS54334EVM 722...

Reviews:

No comments