Texas Instruments TPS53015 Скачать руководство пользователя страница 13

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8.9 Thermal Image

Figure 8-11. Thermal Image (22-V V

, 1.05-V V

OUT

, 8-A I

OUT

, no Air Flow)

Note

The hottest spot is the surface of snubber resistor and power MOSFET, not the surface of TPS53015
controller device.

Performance Data and Typical Characteristic Curves

TPS53015 Buck Controller Evaluation Module User's Guide

Содержание TPS53015

Страница 1: ...mance Data and Typical Characteristic Curves 8 8 1 Efficiency 8 8 2 Load Regulation 8 8 3 Line Regulation 9 8 4 Load Transient 9 8 5 Output Ripple 10 8 6 Switching Node 11 8 7 Enable Start Up 12 8 8 D...

Страница 2: ...Point of load regulations in low power systems for a wide range of applications Digital TV power supply Network home terminals Digital set top box STB DVD player recorder Game consoles and others 2 2...

Страница 3: ...IOUT 8 A 2 2 Line regulation VIN 8 0 V 22 V IOUT 8 A 1 Load regulation VIN 12 V IOUT 0 A 8 A 1 5 Output voltage ripple VIN 12 V IOUT 8 A 20 mVpp Output load current 0 8 0 A Over current limit VIN 12...

Страница 4: ...VBST U1 TPS53015DGS C1 10uF C2 10uF C3 10uF 4 5 6 S1 SW_G12AP TP9 G S D Q1 CSD17507Q5A G S D Q2 CSD17507Q5A R2 10 0 C13 0 1uF R6 1 00k R8 1 00k C11 4 7uF C10 R4 R10 15 4k TP4 R7 2 05 D1 BAT54XV2T1 R1...

Страница 5: ...probe tip through TP7 and holding the ground barrel on TP8 as shown in Figure 5 1 Using a leaded ground connection can induce additional noise due to the large ground loop TP7 TP8 Figure 5 1 Tip and...

Страница 6: ...Load to J2 and set load to constant resistance mode to sink 0 ADC before VIN is applied Connect a voltmeter V2 at TP7 VOUT and TP8 GND to measure the output voltage Other Connections Place a fan as sh...

Страница 7: ...from 8 0 V to 22 V VOUT should remain in line regulation 9 Set the switch S1 to Disable position to disable the controller 10 Decrease load to 0 A 11 Decrease VIN to 0 V 7 2 List of Test Points Table...

Страница 8: ...N 8 V VIN 12 V VIN 22 V Figure 8 1 Efficiency 8 2 Load Regulation 1 1 02 1 04 1 06 1 08 1 1 0 001 0 010 0 100 1 000 10 000 ILOAD Load Current A V OUT Output Voltage V VIN 8 V VIN 12 V VIN 22 V Figure...

Страница 9: ...Line Regulation 8 4 Load Transient Figure 8 4 Output Load 0 A to 8 A Transient 12 V VIN 1 05 V VOUT www ti com Performance Data and Typical Characteristic Curves SLUU944A JUNE 2012 REVISED DECEMBER 20...

Страница 10: ...6 Output Ripple at Full Load 12 V VIN 1 05 V VOUT 8 A Performance Data and Typical Characteristic Curves www ti com 10 TPS53015 Buck Controller Evaluation Module User s Guide SLUU944A JUNE 2012 REVIS...

Страница 11: ...8 Switching Node at Full Load 12 V VIN 1 05 V VOUT 8 A www ti com Performance Data and Typical Characteristic Curves SLUU944A JUNE 2012 REVISED DECEMBER 2021 Submit Document Feedback TPS53015 Buck Co...

Страница 12: ...igure 8 10 Shutdown Waveform 12 V VIN 1 05 V VOUT 8 A IOUT Performance Data and Typical Characteristic Curves www ti com 12 TPS53015 Buck Controller Evaluation Module User s Guide SLUU944A JUNE 2012 R...

Страница 13: ...ace of snubber resistor and power MOSFET not the surface of TPS53015 controller device www ti com Performance Data and Typical Characteristic Curves SLUU944A JUNE 2012 REVISED DECEMBER 2021 Submit Doc...

Страница 14: ...d using a 4 layer 2 ounce copper circuit board Figure 9 1 TPS53015EVM 126 Top Layer Assembly Drawing Top View Figure 9 2 TPS53015EVM 126 Top Copper Top View EVM Assembly Drawing and PCB Layout www ti...

Страница 15: ...4 TPS53015EVM 126 Layer 3 Top View www ti com EVM Assembly Drawing and PCB Layout SLUU944A JUNE 2012 REVISED DECEMBER 2021 Submit Document Feedback TPS53015 Buck Controller Evaluation Module User s Gu...

Страница 16: ...Layer Top View EVM Assembly Drawing and PCB Layout www ti com 16 TPS53015 Buck Controller Evaluation Module User s Guide SLUU944A JUNE 2012 REVISED DECEMBER 2021 Submit Document Feedback Copyright 20...

Страница 17: ...Std Std 1 R4 Resistor chip 1 10 W 1 100 k 0603 Std Std 1 R5 Resistor chip 1 10 W 1 5 11 0603 Std Std 2 R6 R8 Resistor chip 1 10 W 1 1 00 k 0603 Std Std 1 R7 Resistor chip 1 10 W 1 2 05 0603 Std Std 1...

Страница 18: ...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 thes...