Texas Instruments TPS53316EVM-075 Скачать руководство пользователя страница 19 | Manualshive

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EVM Assembly Drawing and PCB Layout

Figure 21. TPS53316EVM-075 Bottom Assembly Drawing (bottom view)

Figure 22. TPS53316EVM-075 Top Copper (top view)

19

SLUU671

–

December 2011

5-A Step-Down Regulator with Integrated Switcher

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Copyright

©

2011, Texas Instruments Incorporated

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Содержание TPS53316EVM-075

Страница 1: ...Using the TPS53316EVM 075 User s Guide Literature Number SLUU671 December 2011...

Страница 2: ...Applications for 5 V Step Down Rails Low Voltage Applications for 3 3 V Step Down Rails 2 2 Features The TPS53316EVM 075 features Continuous 5 A Output Current Capability Supports all MLCC Output Capa...

Страница 3: ...age regulation Setpoint accuracy 1 1 VIN 2 9 V 6 0 V IOUT 0 A 5 A Line regulation 0 1 VIN 2 9 V 6 0 V IOUT 5 A Load regulation 0 1 VIN 5 V IOUT 0 A 5 A Output voltage ripple VIN 5 V IOUT 5 A 10 mVPP O...

Страница 4: ...F R2 2 0k TP1 TP2 TP10 TP7 TP9 TP3 R7 2 0k R5 49 9 L1 1 0uH C11 22uF C13 22uF C15 C17 C5 R14 10 0k C7 22uF C9 0 1uF TP4 TP8 R9 1 33k R3 10 0 R19 R17 105k R15 24 3k 1 2 J3 R11 R6 105k R1 24 3k 1 2 J2 C...

Страница 5: ...the output ripple voltage by placing the oscilloscope probe tip through TP7 and holding the ground barrel on TP10 as shown in Figure 2 Using a leaded ground connection may induce additional noise due...

Страница 6: ...connected to J2 as shown in Figure 3 2 Connect a current meter A1 between VIN and J2 to measure the input current 3 Connect a voltmeter V1 at TP6 VIN and TP9 GND to measure the input voltage Output C...

Страница 7: ...nable Selection The controller can be enabled and disabled by J4 6 2 1 Default Setting Short to Disable the Controller 6 3 Switching Frequency and OCP Selection The switching frequency and OCP thresho...

Страница 8: ...M 075 contains a 10 series resistor in the feedback loop for loop response analysis 1 Set up EVM as described in Section 5 and Figure 3 2 Connect isolation transformer to test points marked TP1 and TP...

Страница 9: ...V Internal LDO Output TP4 GND GND TP5 GND GND TP6 VIN Input Voltage TP7 VOUT Output Voltage TP8 SW Switching Node TP9 GND GND TP10 GND GND TP11 EN Enable Pin TP12 PGD Power Good Output 7 4 Equipment S...

Страница 10: ...sw 750 kHz VIN 5 V HEF Mode fsw 750 kHz Performance Data and Typical Characteristic Curves www ti com 8 Performance Data and Typical Characteristic Curves Figure 4 through Figure 19 present typical pe...

Страница 11: ...fsw 750 kHz Iout 0 A FCCM fsw 750 kHz Iout 5 A DE Mode fsw 1 1 MHz Iout 0 A DE Mode fsw 1 1 MHz Iout 5 A HEF Mode fsw 2 0 MHz Iout 0 A HEF Mode fsw 2 0 MHz Iout 5 A www ti com Performance Data and Typ...

Страница 12: ...0 3A Transient under FCCM 5 V VIN 1 5 V VOUT FCCM fsw 750 kHz Figure 9 Load 0 3A Transient under HEF Mode 5 V VIN 1 5 V VOUT HEF Mode fsw 750 kHz 12 5 A Step Down Regulator with Integrated Switcher S...

Страница 13: ...igure 10 Output Ripple 5 V VIN 1 5 V VOUT 5 A FCCM fsw 750 kHz Figure 11 Output Ripple 5 V VIN 1 5 V VOUT 0 A HEF Mode fsw 750 kHz 13 SLUU671 December 2011 5 A Step Down Regulator with Integrated Swit...

Страница 14: ...igure 12 Switching Node 5 V VIN 1 5 V VOUT 5 A FCCM fsw 750 kHz Figure 13 Switching Node 5 V VIN 1 5 V VOUT 0 A HEF Mode fsw 750 kHz 14 5 A Step Down Regulator with Integrated Switcher SLUU671 Decembe...

Страница 15: ...On Turn Off Figure 14 Turn On Waveform 5 V VIN 1 5 V VOUT 5 A IOUT 4XS S Figure 15 Turn Off Waveform 5 V VIN 1 5 V VOUT 0 A IOUT 15 SLUU671 December 2011 5 A Step Down Regulator with Integrated Switch...

Страница 16: ...V VIN 1 5 V VOUT 0 A IOUT 4XS S 0 5 V pre bias 8 9 Overcurrent Protection Figure 17 Overcurrent Protection Waveform 3 3 V VIN 1 5 V VOUT 6 5 A IOUT 4XS S 750 kHz 6 5 A OCP 16 5 A Step Down Regulator w...

Страница 17: ...in 5 V VIN 1 5 V VOUT 5 A IOUT HEF Mode fSW 750 kHz 8 11 Thermal Image Figure 19 Thermal Image 6 V VIN 1 5 V VOUT 5 A IOUT FCCM Mode fSW 2 0 MHz 17 SLUU671 December 2011 5 A Step Down Regulator with I...

Страница 18: ...w the design of the TPS53316EVM 075 printed circuit board The EVM has been designed using a 4 layer 2 oz copper circuit board Figure 20 TPS53316EVM 075 Top Layer Assembly Drawing top view 18 5 A Step...

Страница 19: ...e 21 TPS53316EVM 075 Bottom Assembly Drawing bottom view Figure 22 TPS53316EVM 075 Top Copper top view 19 SLUU671 December 2011 5 A Step Down Regulator with Integrated Switcher Submit Documentation Fe...

Страница 20: ...i com Figure 23 TPS53316EVM 075 Layer 2 top view Figure 24 TPS53316EVM 075 Layer 3 top view 20 5 A Step Down Regulator with Integrated Switcher SLUU671 December 2011 Submit Documentation Feedback Copy...

Страница 21: ...y Drawing and PCB Layout Figure 25 TPS53316EVM 075 Bottom Layer top view 21 SLUU671 December 2011 5 A Step Down Regulator with Integrated Switcher Submit Documentation Feedback Copyright 2011 Texas In...

Страница 22: ...5T 1R0MN Cyntec Co 7 mm 2 R1 R15 Resistor chip 1 16 W 1 24 3 k 603 Std Std 2 R2 R7 Resistor chip 1 16 W 1 2 0 k 603 Std Std 1 R3 Resistor chip 1 16 W 1 10 0 603 Std Std 2 R4 R16 Resistor chip 1 16 W 1...

Страница 23: ...This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application engineer or...

Страница 24: ...ncy energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC or ICES 003 rules which are designed to provide reasonable protection against radio fr...

Страница 25: ...na type and its gain should be so chosen that the equivalent isotropically radiated power e i r p is not more than that necessary for successful communication This radio transmitter has been approved...

Страница 26: ...roduct only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this product or 3 Use of this product only after you obtained the Technical Regulatio...

Страница 27: ...property damage personal injury or death If there are questions concerning these ratings please contact a TI field representative prior to connecting interface electronics including input power and in...

Страница 28: ...egulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided...

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