Analog Devices Linear LT3383 Guide de configuration rapide

DEMO MANUAL DC2984A

Rev. 0

DESCRIPTION

LT3383

Multioutput Power Management Solution

with 4 Buck Switching and 3 LDO Linear Regulators

DC2984A is a multi-output power management solution

demonstration circuit, featuring the LT

3383. It contains

two 2.5A synchronous step-down DC-DC regulators, two

1.5A synchronous step-down DC-DC regulators and three

300mA LDO regulators. All the regulators can be enabled All registered trademarks and trademarks are the property of their respective owners.

PERFORMANCE SUMMARY

BOARD PHOTO

via its corresponding enable pins. The startup sequence of

the regulators can be programmed by connecting the out-

puts of the regulators to the enable pins in desired order.

Design files for this circuit board are available.

Specifications are at TA= 25°C

Figure1. DC2984A Board Photo

SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS

VIN Input Voltage Range 2.7 5.5 V

VBUCK1 BUCK1 Output Voltage BUCK1 enabled, I(BUCK1) = 0~2.5A 1.20 V

VBUCK2 BUCK2 Output Voltage BUCK2 enabled, I(BUCK2) = 0~2.5A 1.50 V

VBUCK3 BUCK3 Output Voltage BUCK3 enabled, I(BUCK3) = 0~1.5A 1.81 V

VBUCK4 BUCK4 Output Voltage BUCK4 enabled, I(BUCK4) = 0~1.5A 3.31 V

VLDO1 LDO1 Output Voltage LDO1 enabled, I(LDO1) = 0~300mA 1.20 V

VLDO2 LDO2 Output Voltage LDO2 enabled, I(LDO2) = 0~300mA 0.80 V

VLDO2 LDO3 Output Voltage LDO3 enabled, I(LDO3) = 0~300mA 1.80 V

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DEMO MANUAL DC2984A

Rev. 0

QUICK START PROCEDURE

Follow the procedure below to familiarize yourself with

the DC2984A.

1. Refer to Figure2, configure the jumpers on the demo

board as follows:

JP1 = VIN

JP2 = VIN

JP3 = VIN

JP4-JP10 = DFT

JP11 = ON

JP12 = ON

2. Set PS1 to 5V, with 5A current limit. Turn on PS1. All

the regulators should come up in a default sequence:

B2 & B3 -> L2 -> B1 & B4 -> L1 & L3

3. The PGOOD LED D2 should stay off, indicating all out-

puts are in regulation. Check the output voltage of all

the regulators, they should read close to the following

values:

VVM1 = 1.2V

VVM2 = 1.5V

VVM3 = 2.48V

VVM4 = 1.81V

VVM5= 1.2V

VVM6= 0.8V

VVM7 = 1.8V

4. Set each electronic load to its corresponding current

level indicated in Figure2. Turn on each load. The

PGOOD LED D2 should stay off, indicating all the out-

puts are still in regulation under loads. Note that if there

are not enough electronic loads for all the regulators,

this test can be done sequentially.

5. Optional:The default input of the three LDOs are from

VIN. To increase the efficiency, the LDOs can be pow-

ered from BUCK3 by configuring JP1-JP3 to V(B3).

They can also be powered from external source by

configuring these jumpers to EXT and connecting an

external supply to the corresponding VIN_LDOX.

6. Optional:The power up sequence can be programmed

by configuring JP4-JP10 to PGM/OFF. Referring to

Power Up Sequence Programming Section shown

in Figure2, connect the SEQ_START (TP21) to the

enable test point of the first regulators to power

up. Then connect the subsequent regulators enable

test points (TP5-TP11) to the corresponding VX_

SEQ (TP14-TP20) according to the desired startup

sequence. If the enable test point of a regulator is not

connected and the jumper is at PGM/OFF position, this

regulator is turned off.

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DEMO MANUAL DC2984A

Rev. 0

JUMPER DESCRIPTIONS

JUMPER NAME FUNCTION POSITION DESCRIPTION

JP1-JP3 LDOXVIN Input for the LDOs V(B3) Input from BUCK3

EXT Input from external source connected to VIN_LDOXturret

VIN Input from VIN turret

JP4-JP10 BX_SEQ or

LX_SEQ

Power up sequence for the regulators DFT Default power up sequence

PGM/OFF Programmed sequence/Regulator off

JP11 PWR_ON_CTRL Power On master enable and disable

status selection

ON PWR_ON allows enable pin operation

EXT PWR_ON status controlled by external source connected to

PWR_ON turret

OFF PWR_ON inhibits enable pin operation

JP12 PGOOD LED Enable/disable Power Good LED indicator

(indicating output not in regulation)

ON Power Good LED indicator enabled

OFF Power Good LED indicator disabled

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DEMO MANUAL DC2984A

Rev. 0

PERFORMANCE SUMMARY

Specifications are at TA= 25°C

BUCK2

BUCK1

BUCK3

BUCK4

LOAD CURRENT (A)

0.0

0.5

1.0

1.5

2.0

2.5

100

EFFICIENCY (%)

DC2984A G01

1.5A

100mA

BUCK3

BUCK4

50µs/DIV

OUT

1A/DIV

OUT

200mV/DIV

OUT

200mV/DIV

DC2984A G02

1.5A

100mA

BUCK3

BUCK4

50µs/DIV

OUT

1A/DIV

OUT

200mV/DIV

OUT

200mV/DIV

DC2984A G02

300mA

5mA

LDO1

LDO2

LDO3

50µs/DIV

OUT

200mA/DIV

OUT

50mV/DIV

OUT

50mV/DIV

OUT

50mV/DIV

DC2984A G04

500µs/DIV

PWR_ON

BUCK2

BUCK3

LDO2

BUCK1

BUCK4

LDO1

LDO3

DC2984A G05

BUCK1-BUCK4 Efficiency BUCK1-BUCK2 Load Transient Response

BUCK3-BUCK4 Load Transient Response LDO1-LDO3 Load Transient Response

Default Regulators Power-Up Sequencing

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DEMO MANUAL DC2984A

Rev. 0

TEST SETUP

−

−+

−

+ −

−

–

−

Figure2. Test Setup for DC2984A Demo Board

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DEMO MANUAL DC2984A

Rev. 0

OPERATION

Introduction to the DC2984A

The DC2984A a multi-output power management solu-

tion featuring the LT3383. It contains four synchronous

buck regulators and three LDO regulators. Among the

four buck regulators, BUCK1 and BUCK2 deliver up to

2.5A output current, while BUCK3 and BUCK4 deliver

up to 1.5A output current. All three LDOs deliver up to

300mA output current. BUCK1-BUCK4 have default out-

put voltages of 1.2V, 1.5V, 2.48V and 1.81V, respectively.

LDO1 and LDO2 have default output voltages of 1.2V and

0.8V respectively. These voltages are configured by volt-

age dividers on the corresponding FB pins and can be

changed by the user. LDO3 has a fixed voltage of 1.8V.

Power Up Sequencing

The LT3383 regulators can be powered up in any order by

pin-strapping outputs to enable pins. The enable pins have

a 0.75V (typical) input voltage threshold. If any enable is

driven high, the remaining enable input thresholds switch

to an 400mV threshold. There is a built-in 450µs delay

from the enable pin threshold crossing to the internal

enable of the regulator.

The DC2984A has a default power up sequence. User

can also program the power up sequence by selecting

JP4-JP10 to PGM/OFF position and connecting the out-

put rails to the enable pins at the Power Up Sequence

Programming Section shown in Figure2. The start of the

sequence is the rising edge of the PWR_ON pin. PWR_ON

pin can be pulled up to VIN, pulled down to ground, or

connected to an external command source by selection

JP13, PWR_ON_CTRL jumper.

Figure3 illustrates the output voltage of the buck regula-

tors when BUCK1-BUCK4 is programmed to start in an

ascending order. The demo board connection is shown

as follows:

SEQ_START -> EN_B1

VB1_SEQ -> EN_B2

VB2_SEQ -> EN_B3

VB3_SEQ -> EN_B4

Regulator Enables

When JP4-JP10 is at PGM/OFF position, and no connec-

tion is made at the Power Up Sequence Programming

Section, all the regulators are disabled. Each regulator can

be individually enabled by its corresponding enable turret.

LDO Input Selection

The default input of each LDO is the general input of the

demo circuit, VIN. To reduce power loss on the LDOs, the

input source of each LDO can be changed to the output

of BUCK3 by connection corresponding LDO

VIN jumper

to V(B3). Each LDO can also be powered externally by

selecting the corresponding LDOXVIN jumper to EXT and

connecting a separate source to VIN_LDOXturret. Note

that the voltage of this external LDO source must not

exceed VIN voltage.

Power Good Indicator

Power Good LED D2 is turned on when PGOOD pin on

LT3383 is pulled low. It indicates one or multiple output

voltages of the enabled regulators are low. It is also on

when no regulator is enabled.

1ms/DIV

PWR_ON

5V/DIV

BUCK1

2V/DIV

BUCK2

2V/DIV

BUCK3

2V/DIV

BUCK4

2V/DIV

DC2984A F03

Figure3. Program BUCK1-BUCK4 Power Up

Sequence in Ascending Order

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DEMO MANUAL DC2984A

Rev. 0

PARTS LIST

ITEM QTY REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER

Required Circuit Components

1 5 C1, C8-C11 CAP., 10uF, X5R, 10V, 20%, 0603, AEC-Q200 TAIYO YUDEN, LMK107BBJ106MAHT

2 6 C2-C7 CAP., 1uF, X5R, 25V, 10%, 0402, AEC-Q200 MURATA, GRT155R61E105KE01D

3 4 C12, C15, C17, C19 CAP., 47uF, X5R, 6.3V, 20%, 0805, AEC-Q200 MURATA, GRT21BR60J476ME13L

4 4 C14, C16, C18, C20 CAP., 10pF, C0G, 50V, 5%, 0402, AEC-Q200 MURATA, GCM1555C1H100JA16D

5 2 L1, L2 IND., 0.82UH, POWER, 20%, 14A, DCR 1515,

AEC-Q200

COILCRAFT, XGL4020-821MEC

6 2 L3, L4 IND., 1.5UH, PWR, SHIELDED, 20%, 11.1A,

AEC-Q200

COILCRAFT, XGL4020-152MEC

7 2 Q1, Q2 XSTR., NPN, 40V, 200MA, SOT23-3 ON SEMICONDUCTOR, MMBT3904LT1G

8 1 R1 RES., 102K OHMS, 1%, 1/16W, 0402, AEC-Q200 STACKPOLE ELECTRONICS INC, RMCF0402FT102K

9 6 R2, R4, R6, R9, R13,

R16

RES., 1M OHMS, 1%, 1/16W, 0402, AEC-Q200 STACKPOLE ELECTRONICS INC, RMCF0402FT1M00

10 2 R3, R15 RES., 649K OHMS, 1%, 1/16W, 0402 NIC, NRC04F6493TRF

11 4 R5, R8, R11, R14 RES., 20 OHMS, 1%, 1/16W, 0402, AEC-Q200 NIC, NRC04F20R0TRF

12 1 R7 RES., 665k OHMS, 1%, 1/16W, 0402, AEC-Q200 NIC, NRC04F6653TRF

13 1 R10 RES., 412K OHMS, 1%, 1/16W, 0402 NIC, NRC04F4123TRF

14 1 R12 RES., 1.07M OHMS, 1%, 1/16W, 0402, AEC-Q200 VISHAY, CRCW04021M07FKED

15 9 R18, R20-R26, R63 RES., 10K OHMS, 5%, 1/16W, 0402, AEC-Q200 NIC, NRC04J103TRF

16 1 R31 RES., 1K OHM, 5%, 1/16W, 0402, AEC-Q200 NIC, NRC04J102TRF

17 8 R33-R39, R61 RES., 10K OHMS, 1%, 1/16W, 0402, AEC-Q200 VISHAY, CRCW040210K0FKED

18 7 R40-R46 RES., 10K OHMS, 1%, 1/10W, 0603, AEC-Q200 PANASONIC, ERJ3EKF1002V

19 7 R54-R60 RES., 5.11M OHMS, 1%, 1/10W, 0603, AEC-Q200 VISHAY, CRCW06035M11FKED

20 1 R62 RES., 100K OHMS, 5%, 1/16W, 0402, AEC-Q200 NIC, NRC04J104TRF

21 1 U1 IC, MULTI-OUTPUT POWER, 40QFN ANALOG DEVICES, LT3383EUJM#PBF

Additional Demo Board Circuit Components

1 1 D2 LED, RED, WATER CLEAR, 0603 WURTH ELEKTRONIK, 150060RS75000

Hardware: For Demo Board Only

1 17 E1, E2, E4, E5, E7, E8,

E10-E12, E22-E29

TEST POINT

, TURRET, 0.064" MTG. HOLE, PCB

0.062" THK

MILL-MAX, 2308-2-00-80-00-00-07-0

2 12 E3, E6, E9, E13-E21 CONN., HDR., MALE, 1x4, 2mm, THT, STR SULLINS CONNECTOR SOLUTIONS,

3 4 JP1-JP3, JP13 NRPN041PAEN-RC

4 8 JP4-JP10, JP11 CONN., HDR, MALE, 1x3, 2mm, VERT, STR, THT WURTH ELEKTRONIK, 62000311121

5 4 MP1-MP4 STANDOFF, NYLON, SNAP-ON, 0.25" (6.4mm) KEYSTONE, 8831

6 12 XJP1-XJP7,

XJP9-XJP13

CONN., SHUNT

, FEMALE, 2 POS, 2mm WURTH ELEKTRONIK, 60800213421

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DEMO MANUAL DC2984A

Rev. 0

SCHEMATIC DIAGRAM

D D

C C

B B

A A

1.20V

300mA

NOTES: UNLESS OTHERWISE SPECIFIED -

ALL RESISTORS ARE ±1%, 0402

ALL CAPACITORS ARE ±10%, 50V, 0402

ALL INDUCTORS ARE ±20%

0.80V

2.35V - VIN

2.5A

1.50V

1.5A

1.7V - VIN

300mA

LDO3VIN

EXT

OFF

1.20V

2.48V

300mA

VIN

EXT

1.5A

2.5A

1.80V

LDO2VIN

2.7V - 5.5V

VIN

1.81V

EXT

VIN

LDO1VIN

1.7V - VIN

GND

V (B4)

V (B3)

V (B2)

V (B1)

PGOOD

PWR_ON

EN_B4

EN_B3

EN_B2

EN_B1

EN_L2

EN_L3

VIN

VIN_LDO2

V (LDO2)

VIN_LDO3

V (LDO3)

GND

VIN_LDO1

V (LDO1)

GND

EN_L1

INJ4

INJ3

INJ2

INJ1

PGOOD LED

PGOOD

REVISION HISTORY

APPROVED DATEREVECO DESCRIPTION

OFF

PWR_ON_CTRL

EXT

03 03 PRODUCTION 12-19-19

GND

V(B3)

MULTIOUTPUT POWER MANAGEMENT SOLUTION WITH 4 BUCK

SWITCHING AND 3 LDO LINEAR REGULATORS

VLDO1

VIN

VLDO2

VLDO3

VIN

EN_L1

VBUCK4

VBUCK3

VBUCK2

VBUCK1

EN_B4

EN_B3

EN_B2

EN_B1

EN_L2

EN_L3

VIN VBUCK3

PWR_ON

VIN

PWR_ON

DATE:

SHEET OF

TITLE: SCHEMATIC

APPROVALS

PCB DES.

APP ENG.

SIZE:

SCHEMATIC NO. AND REVISION:

CUSTOMER NOTICE

LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A

CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;

HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO

VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL

APPLICATION. COMPONENT SUBSTITUTION AND PRINTED

CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT

PERFORMANCE OR RELIABILITY. CONTACT LINEAR

TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.

THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

www.analog.com

SKU NO.

IC NO.

NJC

LT3383

DC2984A

710-DC2984A_REV03

N/A 12-19-19DATE:

SHEET OF

TITLE: SCHEMATIC

APPROVALS

PCB DES.

APP ENG.

SIZE:

SCHEMATIC NO. AND REVISION:

CUSTOMER NOTICE

LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A

CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;

HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO

VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL

APPLICATION. COMPONENT SUBSTITUTION AND PRINTED

CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT

PERFORMANCE OR RELIABILITY. CONTACT LINEAR

TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.

THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

www.analog.com

SKU NO.

IC NO.

NJC

LT3383

DC2984A

710-DC2984A_REV03

N/A 12-19-19DATE:

SHEET OF

TITLE: SCHEMATIC

APPROVALS

PCB DES.

APP ENG.

SIZE:

SCHEMATIC NO. AND REVISION:

CUSTOMER NOTICE

LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A

CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;

HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO

VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL

APPLICATION. COMPONENT SUBSTITUTION AND PRINTED

CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT

PERFORMANCE OR RELIABILITY. CONTACT LINEAR

TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.

THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

www.analog.com

SKU NO.

IC NO.

NJC

LT3383

DC2984A

710-DC2984A_REV03

N/A 12-19-19

TP1

R26 10k 5%

C13

OPT

0805

R24 10k 5%

1.5uH

XGL4020-152MEC

665k

E20

R22 10k 5%

10uF

0603

E26

E17

TP2

R18 10k 5%

JP2

R20 10k 5%

1uF

C17

47uF

0805

20%

E14

1uF

R13

E12 D2

RED

C20

10pF

E24

LT3383-UJM

VIN

GND

FB_L1

SW1 11

GND

PVIN1 15

GND

PVIN2 16

FB_B1 23

SW2 20

FB_B2 22

PVIN3 35

SW3 31

FB_B3 25

PVIN4 36

SW4 40

FB_B4 24

EN_B1

17 EN_B2

18 EN_B3

34 EN_B4

GND

EN_L1

VIN_L2

EN_L2

LDO2

FB_L2

EN_L3

VIN_L3

LDO3

LDO1

GND

VIN_L1

GND

PGOOD

GND

PWR_ON

GND

E28

E11

JP1

R14

1.5uH

XGL4020-152MEC

JP12

1uF

E19

C11

10uF

0603

C16

10pF

R11

1uF

R25 10k 5%

E22

E29

R31

E16

JP3

1uF

R23 10k 5%

0.82uH

XGL4020-821MEC

E27

R15

649k

C14

10pF

649k

TP3

C12

47uF

0805

20%

10uF

0603

C19

47uF

0805

20%

R10

412k

0.82uH

XGL4020-821MEC

R21 10k 5%

C10

10uF

0603

E21

E13 E25

R12

1.07M

1uF

E18

R16

R62

100k

E15

E10

C15

47uF

0805

20%

R63 10k 5%

10uF

0603

102k

C18

10pF

E23

TP4

JP11

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DEMO MANUAL DC2984A

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog

Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications

subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

SCHEMATIC DIAGRAM

D D

C C

B B

A A

PWR_ON - > B2 &B3 - > L2 - > B1 & B4 - > L1 & L3DEFAULT POWER UP SEQUENCE

DFT

PGM/OFF

DFT DFT DFT DFT DFT DFT

EN_B2

Move JP4-JP10 into the PGM/OFF

and connect TP14-TP21 with TP5-TP11

to program the startup sequence.

EN_B3 EN_L2 EN_B4 EN_B1 EN_L3 EN_L1 VL1_SEQ VL2_SEQ VL3_SEQ VB1_SEQ VB2_SEQ VB3_SEQ VB4_SEQ SEQ_START

PGM/OFF PGM/OFF PGM/OFF PGM/OFF PGM/OFF PGM/OFF

B2_SEQ B3_SEQ L2_SEQ B4_SEQ B1_SEQ L3_SEQ L1_SEQ

PCA ADDITIONAL PARTS

SWITCHING AND 3 LDO LINEAR REGULATORS

MULTIOUTPUT POWER MANAGEMENT SOLUTION WITH 4 BUCK

VIN

PWR_ON VBUCK2 VLDO2 VBUCK1

EN_B2 EN_B3 EN_L2 EN_B4 EN_B1 EN_L3 EN_L1

VLDO1 VLDO2 VLDO3 VBUCK1 VBUCK2 VBUCK3 VBUCK4 VINPWR_ON

DATE:

SHEET OF

TITLE: SCHEMATIC

APPROVALS

PCB DES.

APP ENG.

SIZE:

SCHEMATIC NO. AND REVISION:

CUSTOMER NOTICE

LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A

CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;

HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO

VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL

APPLICATION. COMPONENT SUBSTITUTION AND PRINTED

CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT

PERFORMANCE OR RELIABILITY. CONTACT LINEAR

TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.

THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

www.analog.com

SKU NO.

IC NO.

NJC

LT3383

DC2984A

710-DC2984A_REV03

N/A 12-19-19DATE:

SHEET OF

TITLE: SCHEMATIC

APPROVALS

PCB DES.

APP ENG.

SIZE:

SCHEMATIC NO. AND REVISION:

CUSTOMER NOTICE

LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A

CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;

HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO

VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL

APPLICATION. COMPONENT SUBSTITUTION AND PRINTED

CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT

PERFORMANCE OR RELIABILITY. CONTACT LINEAR

TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.

THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

www.analog.com

SKU NO.

IC NO.

NJC

LT3383

DC2984A

710-DC2984A_REV03

N/A 12-19-19DATE:

SHEET OF

TITLE: SCHEMATIC

APPROVALS

PCB DES.

APP ENG.

SIZE:

SCHEMATIC NO. AND REVISION:

CUSTOMER NOTICE

LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A

CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;

HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO

VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL

APPLICATION. COMPONENT SUBSTITUTION AND PRINTED

CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT

PERFORMANCE OR RELIABILITY. CONTACT LINEAR

TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.

THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

www.analog.com

SKU NO.

IC NO.

NJC

LT3383

DC2984A

710-DC2984A_REV03

N/A 12-19-19

MP4 STANDOFF,NYLON,SNAP-ON,0.25" (6.4mm)

R57

5.11M

0603

R59

5.11M

0603

TP9

JP10

JP6

TP15 TP20

JP8

MP1 STANDOFF,NYLON,SNAP-ON,0.25" (6.4mm)

R56

5.11M

0603

R44

10K

0603

TP7

R41

10K

0603

TP18

R36

10k

STNCL1 TOOL, STENCIL, 700-DC2984A REV03

TP14

R38

10k

MMBT3904LT1G

JP5

R45

10K

0603

R55

5.11M

0603

MMBT3904LT1G

TP5

R35

10k

TP19

R33

10k

JP4

TP10

MP3 STANDOFF,NYLON,SNAP-ON,0.25" (6.4mm)

R40

10K

0603

R61

10k

TP8

R46

10K

0603

TP21

R42

10K

0603

LB1 BOARD S/N LABEL

JP7

R37

10k

JP9

TP6 TP17

R39

10k

R43

10K

0603

TP11

R34

10k

R58

5.11M

0603

R60

5.11M

0603

PCB1 PCB, DC2984A REV03

MP2 STANDOFF,NYLON,SNAP-ON,0.25" (6.4mm)

R51

OPT R52

OPT

R47

OPT R53

OPT

R48

OPT

TP16

R49

OPT

R50

OPT

R54

5.11M

0603

DEMO MANUAL DC2984A

Rev. 0

 ANALOG DEVICES, INC. 2020

05/20

www.analog.com

ESD Caution

ESD (electrostatic discharge) sensitive device. Charged devices and circuit boards can discharge without detection. Although this product features patented or proprietary protection

circuitry, damage may occur on devices subjected to high energy ESD. Therefore, proper ESD precautions should be taken to avoid performance degradation or loss of functionality.

Legal Terms and Conditions

By using the evaluation board discussed herein (together with any tools, components documentation or support materials, the “Evaluation Board”), you are agreeing to be bound by the terms and

conditions set forth below (“Agreement”) unless you have purchased the Evaluation Board, in which case the Analog Devices Standard Terms and Conditions of Sale shall govern. Do not use the Evaluation

Board until you have read and agreed to the Agreement. Your use of the Evaluation Board shall signify your acceptance of the Agreement. This Agreement is made by and between you (“Customer”)

and Analog Devices, Inc. (“ADI”), with its principal place of business at One Technology Way, Norwood, MA 02062, USA. Subject to the terms and conditions of the Agreement, ADI hereby grants to

Customer a free, limited, personal, temporary, non-exclusive, non-sublicensable, non-transferable license to use the Evaluation Board FOR EVALUATION PURPOSES ONLY. Customer understands and

agrees that the Evaluation Board is provided for the sole and exclusive purpose referenced above, and agrees not to use the Evaluation Board for any other purpose. Furthermore, the license granted

is expressly made subject to the following additional limitations:Customer shall not (i) rent, lease, display, sell, transfer, assign, sublicense, or distribute the Evaluation 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. The Evaluation Board is

NOT sold to Customer;all rights not expressly granted herein, including ownership of the Evaluation Board, are reserved by ADI. CONFIDENTIALITY. This Agreement and the Evaluation Board shall all

be considered the confidential and proprietary information of ADI. Customer may not disclose or transfer any portion of the Evaluation Board to any other party for any reason. Upon discontinuation of

use of the Evaluation Board or termination of this Agreement, Customer agrees to promptly return the Evaluation Board to ADI. ADDITIONAL RESTRICTIONS. Customer may not disassemble, decompile

or reverse engineer chips on the Evaluation Board. Customer shall inform ADI of any occurred damages or any modifications or alterations it makes to the Evaluation Board, including but not limited

to soldering or any other activity that affects the material content of the Evaluation Board. Modifications to the Evaluation Board must comply with applicable law, including but not limited to the RoHS

Directive. TERMINATION. ADI may terminate this Agreement at any time upon giving written notice to Customer. Customer agrees to return to ADI the Evaluation Board at that time. LIMITATION OF

LIABILITY. THE EVALUATION BOARD PROVIDED HEREUNDER IS PROVIDED “AS IS”AND ADI MAKES NO WARRANTIES OR REPRESENTATIONS OF ANY KIND WITH RESPECT TO IT. ADI SPECIFICALLY

DISCLAIMS ANY REPRESENTATIONS, ENDORSEMENTS, GUARANTEES, OR WARRANTIES, EXPRESS OR IMPLIED, RELATED TO THE EVALUATION BOARD INCLUDING, BUT NOT LIMITED TO, THE

IMPLIED WARRANTY OF MERCHANTABILITY, TITLE, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS. IN NO EVENT WILL ADI AND ITS

LICENSORS BE LIABLE FOR ANY INCIDENTAL, SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES RESULTING FROM CUSTOMER’S POSSESSION OR USE OF THE EVALUATION BOARD, INCLUDING

BUT NOT LIMITED TO LOST PROFITS, DELAY COSTS, LABOR COSTS OR LOSS OF GOODWILL. ADI’S TOTAL LIABILITY FROM ANY AND ALL CAUSES SHALL BE LIMITED TO THE AMOUNT OF ONE

HUNDRED US DOLLARS ($100.00). EXPORT. Customer agrees that it will not directly or indirectly export the Evaluation Board to another country, and that it will comply with all applicable United States

federal laws and regulations relating to exports. GOVERNING LAW. This Agreement shall be governed by and construed in accordance with the substantive laws of the Commonwealth of Massachusetts

(excluding conflict of law rules). Any legal action regarding this Agreement will be heard in the state or federal courts having jurisdiction in Suffolk County, Massachusetts, and Customer hereby submits

to the personal jurisdiction and venue of such courts. The United Nations Convention on Contracts for the International Sale of Goods shall not apply to this Agreement and is expressly disclaimed.

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