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UG-439 

Evaluation Board User Guide

 

Rev. A | Page 2 of 13 

TABLE OF CONTENTS 

Features .............................................................................................. 1

 

General Description ......................................................................... 1

 

Digital Picture of the ADP5034 TSSOP Evaluation Board ......... 1

 

Revision History ............................................................................... 2

 

Using the Evaluation Board ............................................................. 3

 

Powering Up the Evaluation Board ............................................ 3

 

Measuring Evaluation Board Performance .................................. 4

 

Measuring Output Voltage .............................................................. 8

 

Measuring Ground Current .............................................................9

 

Measuring Ground Current Consumption of LDO Regulators
..........................................................................................................9

 

Evaluation Board Schematic and Artwork .................................. 10

 

Ordering Information .................................................................... 13

 

Bill of Materials ........................................................................... 13

 

Related Links ................................................................................... 13

 

 

REVISION HISTORY 

4/2017—Rev. 0 to Rev. A 

Changes to General Description Section and Figure 1 ............... 1 
Changes to Enable Section, Table 1, and Turning on the 
Evaluation Board Section ................................................................ 3 
Changes to Figure 4 .......................................................................... 4 
Added Figure 7 and Figure 9; Renumbered Sequentially ........... 5 
Changes to Measuring Load Regulation of Buck Regulator 
Section, Figure 8, Measuring Line Regulation of Buck Regulator 
Section, and Figure 10 ...................................................................... 5 

Added Figure 11 ................................................................................ 6 
Changes to Measuring Efficiency of Buck Regulator Section and 
Figure 12 Caption .............................................................................. 6 
Moved Measuring Ground Current Consumption of LDO 
Regulators Section ............................................................................. 9 
Changes to Figure 16...................................................................... 11 
Changes to Table 3 .......................................................................... 12 
 

8/2012—Revision 0: Initial Version 

 

Содержание ADP5034

Страница 1: ...ion to change buck regulators from power save mode PSM to pulse width modulation PWM operation GENERAL DESCRIPTION This user guide describes the hardware for the evaluation of the ADP5034 and includes...

Страница 2: ...Materials 13 Related Links 13 REVISION HISTORY 4 2017 Rev 0 to Rev A Changes to General Description Section and Figure 1 1 Changes to Enable Section Table 1 and Turning on the Evaluation Board Section...

Страница 3: ...For example connect the Buck 1 output VOUT1 and the negative load connection to PGND If an ammeter is used connect it in series with the load Connect the positive ammeter terminal to the evaluation bo...

Страница 4: ...base with the bandwidth set to 20 MHz to prevent noise from interfering with the measurements It is also recommended to shorten the ground loop of the oscilloscope probe to minimize coupling One way...

Страница 5: ...xamining the change in the output voltage The buck regulator line regulation plots for VOUT2 3 3 V and VOUT2 1 8 V are shown in Figure 9 and Figure 10 respectively Figure 9 Buck Regulator Line Regulat...

Страница 6: ...and VIN maximum For example a fixed 3 3 V output needs VIN to be varied between 3 8 V and 5 5 V This measurement can be repeated under different load conditions Figure 13 shows the typical line regul...

Страница 7: ...t supply voltage may need to be adjusted to account for IR drops especially if large load currents are used Cascading an LDO Regulator from the Buck Regulator For certain applications such as analog c...

Страница 8: ...EN2 JEN3 and JEN4 are connected to ground disabling the other channels When measuring the voltages on VOUT2 VOUT3 and VOUT4 ensure that the respective channels are enabled and the volt meters are conn...

Страница 9: ...nt when supplying its largest load level 300 mA When the device is disabled the ground current drops to less than 1 A Figure 17 shows the evaluation board connected to a voltage source and an ammeter...

Страница 10: ...T1 RB1 RB3 RT3 RT4 RB4 1 2 1 JV3V1 CIN2A 2 1 JVIN4 2 1 JVIN3 3 2 1 JEN1 3 2 1 JMODE 1 VOUT2 1 1 VOUT1S 1 VOUT1 1 GND1 1 GND 1 VOUT3 1 VOUT3S 1 VOUT4S 1 3 14 15 2 7 8 21 20 PAD 25 18 11 10 19 13 16 5 2...

Страница 11: ...Evaluation Board User Guide UG 439 Rev A Page 11 of 13 Figure 19 Evaluation Board of the ADP5034 TSSOP Figure 20 Top Layer Recommended Layout for ADP5034 TSSOP 10895 016 10895 017...

Страница 12: ...UG 439 Evaluation Board User Guide Rev A Page 12 of 13 Figure 21 Bottom Layer Recommended Layout for ADP5034 TSSOP 10895 018...

Страница 13: ...Board and ii permit any Third Party to access the Evaluation Board As used herein the term Third Party includes any entity other than ADI Customer their employees affiliates and in house consultants T...

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