Analog Devices DC3054A-B Guida rapida alla configurazione

DEMO MANUAL

DC3054A-B

Rev. 0

DESCRIPTION

LTC3308B

3.3V to 1.8V at 4A, 6.6MHz Low EMI

Buck Regulator in a 0.47cm2Solution

Demonstration circuit 3054A-B features the LTC

3308B

5V, 4A synchronous step-down Silent Switcher

oper-

ating as a 6.6MHz, 3.3V to 1.8V 4A buck regulator. The

LTC3308B supports adjustable output voltages from

0.5V to VIN, and operating frequencies from 3MHz up to

10MHz. The LTC3308B is a compact, ultralow emission,

high efficiency, and high speed synchronous monolithic

step-down switching regulator. A minimum on-time of

22ns enables high VIN to low VOUT conversion ratios at

high switching frequencies.

The DC3054A-B operating mode may be selected as

Burst Mode

operation, skip or forced continuous (FC)

mode. Setting JP1 to the FC/SYNC position will allow the

LTC3308B to sync to a clock frequency from 3MHz to

10MHz. The LTC3308B operates in forced continuous

mode when syncing to an external clock. The DC3054A-B

is set to a fixed 6.6MHz.

The DC3054A-B is set to a fixed 6.6MHz frequency by

connecting RT to VIN through a 0Ω resistor, R9. The fre-

quency can be easily changed by removing R9 and setting

an appropriate resistor in the R4 location to obtain the

desired frequency. Refer to the LTC3308B data sheet for

the proper RTvalue for a desired switching frequency.

All registered trademarks and trademarks are the property of their respective owners.

PERFORMANCE SUMMARY

The DC3054A-B also has an EMI filter to reduce conducted

EMI. This EMI filter can be included by applying the input

voltage at the V

EMI terminal. The EMI performance

of the board is shown in the EMI Test Results section.

The red lines in the EMI performance graphs illustrate

the CISPR25 Class 5 peak limits for the conducted and

radiated emission tests.

The LTC3308B data sheet gives a complete description

of the device, operation and application information. The

data sheet must be read in conjunction with this demo

manual. The LTC3308B is assembled in a 2mm × 2mm

LQFN package with exposed pads for low thermal resis-

tance. The layout recommendations for low EMI operation

and maximum thermal performance are available in the

data sheet section Low EMI PCB Layout.

The Efficiency vs Load graph shows the efficiency and

the power loss of the circuit with a 3.3V input in Burst

Mode operation.

Design files for this circuit board are available.

Specifications are at TA= 25°C

SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS

VIN Input Voltage Range 2.25 5.5 V

VOUT VOUT Voltage Range* 1.774 1.8 1.826 V

IOUT OUTPUT Current 4 A

fSW Switching Frequency 3 6.6 10 MHz

tON Top Switch Minimum On Time 22 ns

Duty Cycle Top Switch Duty Cycle 100 %

*With 1% resistors. Accuracy will improve to within 1% using 0.1% FB resistors.

DEMO MANUAL

DC3054A-B

Rev. 0

CIRCUIT SCHEMATIC

BOARD PHOTO

dc3054ab CS01a

1µF

0201

EN SW

VIN VIN

PGND

47.5k

10pF

10nF

VIN

4.7µF

150nH

18.2k

4.7µF

×2

OUT

1.8V

= 2.25V TO 5.5V

AGND

PGOOD

LTC3308B

1µF

0201

MODE/SYNC

OSC

= 6.6MHz

High Efficiency, 6.6MHz, 1.8V 4A Step-Down Converter LTC3308B 3.3V to 1.8V Efficiency and

Power Loss DC3054A-B in Burst Mode

DFE18SANR24MGOL

EFFICIENCY

POWER LOSS

= 3.3V

OUT

= 1.8V

= 6.6 MHz

OUT

(A)

0.001

0.01

0.1

100

0.0001

0.001

0.01

0.1

EFFICIENCY (%)

POWER LOSS (W)

dc3054ab CS01b

DEMO MANUAL

DC3054A-B

Rev. 0

EMI TEST RESULTS

CISPR25 Conducted Emissions with Class 5 Peak Limits (Voltage Method)

Radiated EMI Performance (CISPR25 Radiated

Emissions Test with Class 5 Peak Limits)

Radiated EMI Performance (CISPR25 Radiated

Emissions Test with Class 5 Peak Limits)

Load Transient Response Forced Continuous Mode

3.3V

IN TO 1.8V

OUT

LOADSTEP 0.6A TO 2.4A 1A/µs

10µs/DIV

2V/DIV

OUT

50mV/DIV

RSNS

100mV/DIV

dc3054ab G04

LTC3308B Load Regulation

VIN = 3.3V

VOUT = 1.8V

FORCED CONTINUOUS MODE

IOUT (A)

0.0

1.0

0.5

1.5

2.0

2.5

3.0

3.5

4.0

1.795

1.796

1.797

1.798

1.799

1.800

1.801

1.802

1.803

1.804

1.805

VOUT (V)

dc3054ab G05

DC3054A–B DEMO BOARD

(WITH EMI FILTER INSTALLED)

3.3V INPUT TO 1.8V OUTPUT AT 3.2A, f

= 6.6MHz

CLASS 5 PEAK LIMIT

MEASURED DATA

AMBIENT NOISE

FREQUENCY (MHz)

100

110

–20

–10

AMPLITUDE (dBµV/m)

dc3054a-b G01

DC3054A–B DEMO BOARD

(WITH EMI FILTER INSTALLED)

3.3V INPUT TO 1.8V OUTPUT AT 3.2A, f

= 6.6MHz

HORIZONTAL POLARIZATION

CLASS 5 PEAK LIMIT

MEASURED DATA

AMBIENT NOISE

FREQUENCY (MHz)

100

200

300

400

500

600

700

800

900

1000

–20

–10

AMPLITUDE (dBµV/m)

(CISPR25 Radiated Emission Test with Class 5 Peak Limits)

dc3054a-b G02

DC3054A–B DEMO BOARD

(WITH EMI FILTER INSTALLED)

3.3V INPUT TO 1.8V OUTPUT AT 3.2A, f

= 6.6MHz

VERTICAL POLARIZATION

CLASS 5 PEAK LIMIT

MEASURED DATA

AMBIENT NOISE

FREQUENCY (MHz)

100

200

300

400

500

600

700

800

900

1000

–20

–10

AMPLITUDE (dBµV/m)

dc3054a-b G03

DEMO MANUAL

DC3054A-B

Rev. 0

QUICK START PROCEDURE

Demonstration circuit 3054A-B is easy to set up and use

to evaluate the performance of the LTC3308B. Refer to

Figure1 for proper measurement equipment setup and

follow the procedure below:

NOTE:For accurate V

, V

OUT

and efficiency measure-

ments, measure VIN at the VIN SNSE and GND SNSE tur-

rets and V

OUT

at the V

OUT

SNSE and GND SNSE turrets as

illustrated as VM1 and VM2 in Figure1. When measuring

the input or output voltage ripple, care must be taken to

avoid a long ground lead on the oscilloscope probe.

1. Set the JP1 Jumper to the SKIP position and JP2 to

the HI position.

2. With power off, connect the input power supply to VIN

and GND. If the input EMI ﬁlter is desired, connect the

input power supply to VIN EMI.

3. Slowly increase PS1 to 1.0V. If AM1 reads less than

20mA, increase PS1 to 3.3V. Verify that VM1 reads

3.3V and VM2 reads 1.8V.

4. Connect an oscilloscope voltage probe as shown in

Figure2 in parallel with VM2. Set Channel to AC-cou-

pled, voltage scale to 20mV and time base to 100ns.

Observe the VOUT ripple voltage.

NOTE: Measure the output voltage ripple by touching the

probe tip directly across the output turrets or to TP1 as

shown in Figure2. TP1 is designed for a 50Ω coax cable

to reduce any high frequency noise that might couple into

the oscilloscope probes.

5. Verify that PGOOD turret is high.

6. Increasing the load by 1A intervals up to 4A and record

VM1, VM2, AM1 and AM2 for each interval.

7. Repeat step 6 for PS1 set to 2.5V and again for PS1

set to 5.0V.

8. Settheloadtoaconstant4A.Removetheoscilloscope

voltage probe from VOUT. Place a ground clip on PGND

terminal and set the voltage scale to 1V and the time

scale to 500ns/Division. Trigger on the rising edge of

the voltage probe. Using a tip on the voltage probe,

contact the SW node on the pad of L1. Observe the

duty cycle and the period of the switching waveform

(~152 nanoseconds).

9. Set the load current to 0.5A and repeat step 8. Observe

that the switching waveform is now operating in Pulse

Skip Mode.

10. Move the jumper on JP2 to LO. Verify that VOUT reads

0V and verify that PGOOD is low. Return jumper on

JP2 to HI and verify VM2 is 1.8V and verify PGOOD2

is high.

11. IfforcedcontinuousorBurstMode operation isdesired,

setPS1to 0V.MoveJP1to FC/SYNC orBURST.Repeat

steps 3 through 9. In step 9 observe that the switching

waveform is now operating in forced continuous or

Burst Mode operation.

12. To change the frequency, remove R9 if installed.

Install the desired RTresistor in the R4 location. Size

the inductor and output capacitors to provide the

desired inductor ripple and a stable output. Refer to

the LTC3308B data sheet and LTPowerCAD for more

information on choosing the required components.

13. To test the transient response with a base load, add

the desired resistor to produce a minimum load be-

tween VOUT and RSNS turrets (RL shown on Figure1).

Note that the total load resistance will be RL plus R11

(100mΩ).

14. Adjust a signal generator with a 10ms period, 10%

duty cycle and an amplitude from 1V to 2V to start.

15. Measure the RSNS voltage to observe the current,

VRSNS/100mΩ. Adjust the amplitude of the pulse to

provide the desired transient. Adjust the rising and

falling edge of the pulse to provide the desired ramp

rate. Refer to the following equations and the optional

transient response circuit shown in Figure3:

IOUT = VRSNS/100mΩ (2)

where

VRSNS = VSG_INPUT − VGS (3)

16. When done, turn off PS1 and Load. Remove all con-

nections to demo board.

DEMO MANUAL

DC3054A-B

Rev. 0

QUICK START PROCEDURE

Figure1. Test Setup for the DC3054A-B Demo Board

DEMO MANUAL

DC3054A-B

Rev. 0

QUICK START PROCEDURE

TP1

VOUT

OUT

1 2 3

6 7 8

SIR426DP-T1-GE3

R10

10k

R11

0.1k

2512

SG_INPUT

20V MAX

E19

E20 RSNS

dc3754a-b F03

TP2

ISTEP

Figure3. Optional Transient Response Circuit

Figure2. Technique for Measuring Output Ripple and Step Response

a) With a Scope Probe.

b) With a Low Inductance Connector (Not Supplied).

DEMO MANUAL

DC3054A-B

Rev. 0

THEORY OF OPERATION

Introduction to the DC3054A-B

The DC3054A-B demonstration circuit features the

LTC3308B, a low voltage synchronous step-down silent

switcher. The LTC3308B is a monolithic, constant fre-

quency, current mode step-down DC/DC converter. An

oscillator, with frequency set using a resistor on the RT

pin, turns on the internal top power switch at the beginning

of each clock cycle. Current in the inductor then increases

until the top switch comparator trips and turns off the

top power switch. If the EN pin is low, the LTC3308B is

in shutdown and in a low quiescent current state. When

the EN pin is above its threshold, the switching regulator

will be enabled.

The MODE/SYNC pin sets the switching mode to pulse

skip, forced continuous, or Burst Mode operation. If an

external 3MHz to 10MHz clock is connected to the MODE/

SYNC turret while the JP1 is set to the FC/SYNC position,

the LTC3308B switching frequency will sync to the exter-

nal clock while operating in forced continuous mode. See

the LTC3308B data sheet for more detailed information.

The maximum allowable operating frequency is influenced

by the minimum on time of the top switch, the ratio of

OUT

to V

. The maximum allowable operating frequency

may be calculated using a minimum tON of 22ns in the

formula below.

fSW(MAX) =

OUT

IN(MAX) • tON(MIN)

Select an operating switching frequency below fSW(MAX).

The recommended ripple current in the output inductor is

1.2A peak-to-peak for the LTC3308B. This determines the

recommended inductor value for the application.

Accurately Measuring Output Ripple of the LTC3308B

With the fast edge rates of the circuit, high frequency

noise can be observed when measuring the output voltage

with 1MΩ terminated oscilloscope probes. To better view

the output ripple with oscilloscopes of 400MHz bandwidth

and above a 50Ω coax cable connected as close to the

output caps as possible should be used with the oscillo-

scope channel terminated to 50Ω at the scope. This will

help to reduce the noise coupling onto and displaying on

the scope. The demo board is set up to solder an U.FL,

RECEPT, ST SMD, 0Hz to 6GHz 50Ω connector (TP1) near

the output cap C4. These pads can also be used to sol-

der a coax cable or other oscilloscope probe connector

if desired.

The DC3054A-B uses 3-terminal capacitors, C18 and

C19, on the output to reduce the high frequency spikes

that can be observed with high bandwidth oscilloscopes.

The high frequency spikes are partially attributed to the

interwinding capacitance of the inductor and the voltage

step is partially attributed to the inductance in the out-

put capacitors. The step can be reduced by choosing low

ESL capacitors as close to the inductor as possible. The

high frequency spikes are reduced with using a small low

ESL 3-terminal capacitor with the self-resonant frequency

close to the high frequency spikes. Below is the output

ripple using a 500MHz scope, 50Ω probe measured at

TP1 on with the 3-terminal capacitor populated.

200ns/DIV

VOUT

5mV/DIV

dc3054b F04

VIN = 3.3V

VOUT = 1.8V

IOUT = 4A

C4, C5 = 4,7µF 0603

C18, C19 3-TERMINAL CAPACITOR NOT

POPULATED

200ns/DIV

VOUT

5mV/DIV

dc3054b F05

VIN = 3.3V

VOUT = 1.8V

IOUT = 4A

C4, C5 = 4,7µF 0603

C18, C19 = 1nF 3-TERMINAL CAP

DEMO MANUAL

DC3054A-B

Rev. 0

PARTS LIST

ITEM QTY REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER

Required Circuit Components

1 2 C2, C3 CAP., 4.7µF, X6S, 6.3V, 20%, 0402 MURATA, GRM155C80J475MEAAD

2 2 C4, C5 CAP., 4.7µF, X7R, 16V, 10%, 0603 MURATA, GRM188Z71C475KE21

3 1 C6 CAP., 10pF, C0G, 50V, 5%, 0402 MURATA, GJM1555C1H100JB01D

4 2 C13, C14 CAP., 1µF, X7T, 6.3V, 20%, 0201 MURATA, GRM033D70J105ME01D

5 1 L1 IND., 150nH, PWR, 20%, 5.2A, 18mΩ, 0806, AEC-Q200 MURATA, DFE201612PD-R15M=P2

6 1 R1 RES., 47.5k, 1%, 1/16W, 0402 VISHAY, CRCW040247K5FKED

7 1 R2 RES., 18.2k, 1%, 1/16W, 0402, AEC-Q200 VISHAY, CRCW040218K2FKED

8 1 U1 IC, 5V, 4A SYNCHRONOUS STEP-DOWN SILENT SWITCHER,

2mm × 2mm LQFN

ANALOG DEVICES, LTC3308BEV#PBF

Additional Demo Board Circuit Components

1 1 C1 CAP., 0.01µF, X5R, 10V, 10%, 0201 MURATA, GRM033R61A103KA01D

2 2 C7, C8 CAP., 330µF, TANT, POSCAP, 6.3V, 20%, 7343, 25mΩ, TPE,

NO SUBS. ALLOWED

PANASONIC, 6TPE330ML

3 1 C9 CAP., 0.1µF, X7R, 10V, 10%, 0402, AEC-Q200 MURATA, GCM155R71A104KA55D

4 2 C10, C11 CAP., 10µF, X7S, 6.3V, 20%, 0603 TDK, C1608X7S0J106M080AC

5 0 C12 CAP., OPTION, 0402

6 2 C18, C19 CAP., 1000pF, X7R, 50V, 20%, 0402, 3-TERM, X2Y EMI FILTER JOHANSON DIELECTRICS, 500X07W102MV4T

7 0 C15, C20 CAP., 1000pF, X7R, 50V, 20%, 0402, 3-TERM, X2Y EMI FILTER JOHANSON DIELECTRICS, 500X07W102MV4T

8 0 C16, C17 CAP., OPTION, 0201

9 1 L2 IND., 100Ω AT 100MHz, FERRITE BEAD, 25%, 8A,

6mΩ, 1812

WURTH ELEKTRONIK, 74279226101

10 1 Q1 XSTR., MOSFET, N-CH, 40V, 15.9A, PPAK SO-8 VISHAY, SIR426DP-T1-GE3

11 1 R3 RES., 20Ω, 1%, 1/16W, 0402, AEC-Q200 VISHAY, CRCW040220R0FKED

12 0 R4 RES., OPTION, 0402

13 1 R5 RES., 10k, 5%, 1/16W, 0402, AEC-Q200 VISHAY, CRCW040210K0JNED

14 1 R6 RES., 1M, 1%, 1/16W, 0402, AEC-Q200 VISHAY, CRCW04021M00FKED

15 1 R7 RES., 249k, 1%, 1/16W, 0402, AEC-Q200 NIC, NRC04F2493TRF

16 1 R8 RES., 100k, 5%, 1/16W, 0402 YAGEO, RC0402JR-07100KL

17 1 R9 RES., 0Ω, 1/16W, 0402 VISHAY, CRCW04020000Z0ED

18 1 R10 RES., 10k, 5%, 1/10W, 0402, AEC-Q200 PANASONIC, ERJ2GEJ103X

19 1 R11 RES., 0.1Ω, 1%, 2W, 2512, SENSE, AEC-Q200 IRC, LRC-LR2512LF-01-R100-F

20 0 TP1, TP3 CONN., U.FL, RECEPT, ST SMD, 0Hz TO 6GHz 50Ω HIROSE ELECTRIC, U.FL-R-SMT-1(10)

Hardware

1 10 E1-E3, E5, E12, E14-E16,

E19, E21

TEST POINT, TURRET, 0.064" MTG. HOLE, PCB 0.062" THK MILL-MAX, 2308-2-00-80-00-00-07-0

2 6 E4, E7, E11, E13, E18, E20 TEST POINT, TURRET, 0.094" MTG. HOLE, PCB 0.062" THK MILL-MAX, 2501-2-00-80-00-00-07-0

3 5 E6, E8-E10, E17 CONN., BANANA JACK, FEMALE, THT, NON-INSULATED,

SWAGE, 0.218"

KEYSTONE, 575-4

4 1 JP1 CONN., HDR, MALE, 1x4, 2mm, VERT, ST, THT WURTH ELEKTRONIK, 62000411121

5 1 JP2 CONN., HDR, MALE, 1x3, 2mm, VERT, ST, THT WURTH ELEKTRONIK, 62000311121

6 4 MP1-MP4 STANDOFF, NYLON, SNAP-ON, 0.50" WURTH ELEKTRONIK, 702935000

7 0 TP2 CONN., TEST JACK, PLUG, 1POS, THT, VERT TELEDYNE, PK5-2.5MM-113

8 2 XJP1, XJP2 CONN., SHUNT, FEMALE, 2POS, 2mm WURTH ELEKTRONIK, 60800213421

DEMO MANUAL

DC3054A-B

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

REVISION HISTORY

ECO REV DESCRIPTION APPROVED DATE

-03 PROTOTYPE

1.8V *

2.25V - 5.5V

VOUT

MODE/SYNC

GND

PGOOD

GND

MODE/SYNC

VIN

GND

VIN

GND

VOUT

GND

VOUT

SNSE

GND

SNSE

VIN

SNSE

GND

SNSE

FC/SYNC

BURST

SKIP

PCA ADDITIONAL PARTS

NOTES: UNLESS OTHERWISE SPECIFIED

1. RESISTORS: OHMS, 0402, 1%, 1/16W

2. CAPACITORS: 0402

VIN EMI

2.25V - 5.5V

3.3V to 1.8V at 3A, 4A, 6A and 6.6MHz

Low EMI Buck Regulator in a 0.47cm2 Solution

FSW=6.6MHz

GND

5.5V MAX

OPTIONAL EMI FILTER

ISTEP

RSNS

SG_INPUT

OPTIONAL TRANSIENT RESPONSE CIRCUIT

VOUT

20V MAX

-A

-B

-C

L1 C4 & C5

SKU#

ASSEMBLY OPTIONS TABLE

IOUT

* SEE TABLE

LTC330XB-LQFN

KL12-07-20

C1608X7S0J106M080AC

LTC3309B TFM201208BLD-R11MTCA

LTC3308B DFE201612PD-R15M=P2 GRM188C71C475KE21

DFE18SANR24MG0LLTC3307B GRM188C71C475KE21

OPT

VIN

DATE:

SHEET OF

TITLE: SCHEMATIC

APPROVALS

PCB DES.

APP ENG.

Phone: (408)432-1900

SIZE:

SCHEMATIC NO. AND REVISION:

CUSTOMER NOTICE

THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND

SUPPLIED FOR USE WITH ANALOG DEVICES PARTS.

www.analog.com

SKU NO.

IC NO.

ANALOG DEVICES 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 ANALOG DEVICES

APPLICATIONS ENGINEERING FOR ASSISTANCE.

710-DC3054A_REV03

N/A 02-21-2020DATE:

SHEET OF

TITLE: SCHEMATIC

APPROVALS

PCB DES.

APP ENG.

Phone: (408)432-1900

SIZE:

SCHEMATIC NO. AND REVISION:

CUSTOMER NOTICE

THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND

SUPPLIED FOR USE WITH ANALOG DEVICES PARTS.

www.analog.com

SKU NO.

IC NO.

ANALOG DEVICES 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 ANALOG DEVICES

APPLICATIONS ENGINEERING FOR ASSISTANCE.

710-DC3054A_REV03

N/A 02-21-2020DATE:

SHEET OF

TITLE: SCHEMATIC

APPROVALS

PCB DES.

APP ENG.

Phone: (408)432-1900

SIZE:

SCHEMATIC NO. AND REVISION:

CUSTOMER NOTICE

THIS CIRCUIT IS PROPRIETARY TO ANALOG DEVICES AND

SUPPLIED FOR USE WITH ANALOG DEVICES PARTS.

www.analog.com

SKU NO.

IC NO.

ANALOG DEVICES 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 ANALOG DEVICES

APPLICATIONS ENGINEERING FOR ASSISTANCE.

710-DC3054A_REV03

N/A 02-21-2020

100k

E20

C12

OPT

E13

MP1 STANDOFF,NYLON,SNAP-ON,0.50"

C15

OPT

E10

C13

1uF

0201

X7T

E17

E21

MP4 STANDOFF,NYLON,SNAP-ON,0.50"

0603

JP2

E12

JP1

10k

TP2

R10

10k

C17

OPT

0201

E4 E14

PCB1 PCB, DC3054A REV02

C14

1uF

0201

X7T

OPT

R11

0.1

2512

10pF

E19

C19

1000pF

MP3 STANDOFF,NYLON,SNAP-ON,0.50"

SW 5

FB 12

MODE/SYNC

RT 10

PGOOD 11

VIN

PGND

AGND

VIN

SW 6

PGND

330uF

E18

C20

OPT

TP1

4.7uF

0402

X6S

E16

0.1uF

0402

X7R

18.2k

249k

E11

LB1 LABEL

0.01uF

0201

4.7uF

0402

X6S

C11

10uF

0603

X7S

0603

E15

TPB1

MP2 STANDOFF,NYLON,SNAP-ON,0.50"

C10

10uF

0603

X7S

47.5k

C18

1000pF

C16

OPT

0201

TPA1

SIR426DP-T1-GE3

STNCL1 TOOL, STENCIL, DC3054A REV02

100 OHMS@100MHz

74279226101

330uF

TP3

VOUT

VIN

DEMO MANUAL

DC3054A-B

Rev. 0

 ANALOG DEVICES, INC. 2021

05/21

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.

Indice

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