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UG-439 

Evaluation Board User Guide 

 

Rev. A | Page 10 of 13 

EVALUATION BOARD SCHEMATIC AND ARTWORK 

 

Figure 18. Evaluation Board Schematic of the 

ADP5034

 TSSOP  

 

AGND_SENSE

CO

UT

4

CO

UT

3

EN2

PGND2

VOUT2

SW2

1UH

L2

VOUT1

1UH

L1

22

VOUT4

VIN4

EN3

VIN

GND

VIN

3

2

1

JE

N

3

MOLEX22-28-4033

TSW-101-14-T-D

2

TSW-101-14-T-D

FB4

V

OU

T

4

VIN

JE

N

4

1

GND

MOLEX22-28-4033

108-0740-001

EN4

3

2

1

V

IN

1

23

ADP5034AREZ

GND

FBK1

VOUT2_SENSE

EN1

VOUT1_SENSE

V

OU

T

2

S

VIN

GND

MOLEX22-28-4033

JE

N

2

1

2

3

4

6

VIN2

9

VIN

GND

0.1UF

28

U1

27

CIN1

A

VIN

AGND

VOUT2

JV

4

V

2

1

1

G

ND2

S

CI

N4

VOUT4_SENSE

1

G

ND3

S

1

P

GN

D

R

T2

R

B

2

R

T1

R

B

1

R

B

3

R

T3

R

T4

R

B

4

1

2

1

JV

3

V

1

CIN2

A

2

1

JV

IN

4

2

1

JV

IN

3

3

2

1

JE

N

1

3

2

1

JM

OD

E

1

V

OU

T

2

1

1

V

OU

T

1

S

1

V

OU

T

1

1

G

ND1

1

GN

D

1

V

OU

T

3

1

V

OU

T

3

S

1

V

OU

T

4

S

1

3

14

15

2

7

8

21

20

P

A

D

25

18

11

10

19

13

16

5

26

12

17

24

CI

N3

C

IN

CI

N1

CO

UT

1

CI

N2

CO

UT

2

GND

GND

AGND_SENSE

GND

1UF

AVIN

VOUT2_SENSE

108-0740-001

10UF

100K

100K

VOUT1_SENSE

100K

100K

VOUT3_SENSE

AGND_SENSE

100K

100K

100K

1UF

AGND_SENSE

1UF

VIN

GND

VIN

MOLEX22-28-4033

10UF

1UF

GND

FB3

GND

AGND

MOLEX22-28-4033

GND

VIN

PGND1

VOUT3

TSW-101-14-T-D

TSW-101-14-T-D

VIN3

GND

VOUT1

0.1UF

FBK2

100K

4.7UF

4.7UF

GND

MODE

0.1UF

ALIAS

NC

NC

NC

NC

NC

PAD

V

OU

T4

V

IN

4

EN

3

V

IN

3

V

OU

T3

F

B

3

A

GN

D

AVI

N

V

IN

1

S

W1

P

G

ND1

M

OD

E

EN

1

F

BK1

V

OU

T1

V

OU

T2

F

BK2

EN

2

P

G

ND2

S

W2

V

IN

2

EN

4

F

B

4

ALIAS

ALIAS

ALIAS

ALIAS

ALIAS

ALIAS

ALIAS

ALIAS

ALIAS

ALIAS

10895-015

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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