Analog Devices Linear ADI Power LTC3310-1 Manuale utente

DEMO MANUAL DC3043A

Rev. 0

DESCRIPTION

LTC3310-1

3.3V to 1.0V at 10A, 2MHz Automotive Low

EMI Buck Regulator in a 2.11cm2Solution

Demonstration Circuit 3043A shows the LTC3310-1 10A,

1V fixed output, synchronous step-down Silent Switcher

operating as a 2MHz 3.3V to 1.0V 10A buck regulator. The

LTC3310-1 supports operating frequencies from 500kHz

up to 5MHz. The LTC3310-1 is a compact, ultralow emis-

sion, high efficiency, and high speed synchronous mono-

lithic step-down switching regulator. The LTC3310-1 has

Active Voltage Positioning (AVP) where the output voltage

is dependent on load current. At light loads the output

voltage is regulated above the nominal value. At full load

the output voltage is regulated below the nominal value.

The DC load regulation is adjusted to improve transient

performance and reduce output capacitor requirements.

DC3043A is set up to run in forced continuous mode with

a 2MHz switching frequency but can be configured to

pulse skip mode and different switching frequencies. RT

is connected to VIN which sets the MODE/SYNC pin as an

input and allows the LTC3310-1 to sync from an external

clock. Connecting the MODE/SYNC pin to VIN sets the

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

PERFORMANCE SUMMARY

mode to pulse skip mode and connecting the MODE/SYNC

pin to GND sets the mode to forced continuous mode.

The DC3043A also has an EMI filter to reduce conducted

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

voltage at the VIN 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 LTC3310S/LTC3310-1 data sheet gives a complete

description of the part, operation and application infor-

mation. The data sheet must be read in conjunction with

this demo manual. The LTC3310-1 is assembled in a

3mm × 3mm LQFN package with exposed pad for low

thermal resistance. The layout recommendations for low

EMI operation and maximum thermal performance are

available in the data sheet section Low EMI PCB Layout.

Design files for this circuit board are available.

Specifications are at TA= 25°C

PARAMETER CONDITIONS MIN TYP MAX UNITS

DC3043A Input Voltage Range 2.25 5.5 V

DC3043A VOUT Voltage Range IOUT = 4A 1.0 V

DC3043A Output Current 10 A

Switching Frequency 1.8 2.0 2.2 MHz

VOUT Active Voltage Positioning 1.7 2.4 3.1 mV/A

DEMO MANUAL DC3043A

Rev. 0

BOARD PHOTO

DEMO MANUAL DC3043A

Rev. 0

QUICK START PROCEDURE

Demonstration circuit 3043A is easy to set up and evaluate

the performance of the LTC3310-1. Refer to Figure1 for

proper measurement equipment setup and follow the pro-

cedure 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 VOUT 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.

Measure the output voltage ripple by touching the probe

tip directly across the output turrets or to TP1 as shown

in Figure2.

1. Set the JP1 Jumper 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 and GND. Connect LD1

with the load set to 0A.

3. Slowly increase PS1 to 1V. If AM1 reads less than

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

3.3V and VM2 reads 1.2V. Record VM1, VM2, VM3

AM1 and AM2. Connect an oscilloscope voltage probe

as shown in Figure2. Set Channel to AC-coupled, volt-

age scale to 20mV and time base to 10µs. Record VOUT

ripple voltage. Verify that PGOOD voltage is above 3V.

Calculate Die temperature using formula below:

TJ(°C)=

SSTT

4mV

– 273

4. Increase the load by 1A intervals up to 10A and observe

the voltage output regulation, ripple voltage, and the

voltage on the SSTT turret.

5. If Pulse Skip Mode is desired, set PS1 to 0V. Install a

0Ω in the R5 location or short the MODE/SYNC turret

to VIN. Repeat steps 1 through 4. In step 4 observe

that the switching waveform is now operating in Pulse

Skip Mode at low currents.

6. To change the frequency, remove R4 and install the

desired RT resistor in the R6 location. Note, the MODE/

SYNC pin is an output when R6 is installed and the

MODE/SYNC pin should have high impedance to GND

and VIN. Size the inductor, output capacitors and com-

pensation components to provide the desired inductor

ripple and a stable output.

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

desired resistor to produce a minimum load between

VOUT and I_STEP turrets (RL shown on Figure1).

Note that the total load resistance will be RL plus R10

(50mΩ). Adjust a signal generator with a 10ms period,

10% duty cycle and an amplitude from 1V to 2V to start.

8. Measure the I_STEP voltage to observe the current,

VI_STEP/50mΩ. 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. The Load Transient Response Measurement plot

shows a load step from 1.5A (RL = 0.62Ω) to 7.5A.

IOUT =

I_STEP

50mΩ

VGS = VSG_INPUT – VI_STEP

9. When done, turn off SG1, PS1 and Load. Remove all

connections to demo board.

Load Transient Response Measurement

LTC3310-1

3.3V

IN TO 1V

OUT

LOADSTEP 1.5A TO 7.5A 6A/µs

10µs/DIV

I_STEP

100mV/DIV

OUT

20mV/DIV

SG_INPUT

2V/DIV

dc3043a QSP01

DEMO MANUAL DC3043A

Rev. 0

QUICK START PROCEDURE

Figure1. Test Setup for the DC3043A Demo Board

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

PS1

3.3V

10A

VM1 VM2

VM3

SG1

SCOPE

LD1

DEMO MANUAL DC3043A

Rev. 0

CIRCUIT SCHEMATIC

Efficiency and Power Loss vs Load Current

Load Transient Response Forced

Continuous Mode

VOUT Load Regulation

(LTC3310S-1, LTC3310-1)

dc3043a CS01

MODE/SYNC

SSTT

ITH

OUT

10A

PGOOD

VOUT

AGND

VIN

2.25V TO 5.5V

PGND

LTC3310-1

249k

22µF

100nH

15k

100k

20Ω

330pF

3.3pF

22µF 0.47µF

OPT

0.47µF

OPT

1µF

0201

1µF

0201

0.033µF 47µF

×7

L = COILCRAFT, XEL4030-101ME

0.1µF

VIN

= 3.3V

OUT

= 1.0V

OSC

= 2MHz

EFFICIENCY

POWER LOSS

LOAD CURRENT (A)

100

0.3

0.6

0.9

1.2

1.5

1.8

2.1

2.4

2.7

3.0

EFFICIENCY (%)

POWER LOSS (W)

dc3043a CS02

ILOAD (A)

0.90

0.92

0.94

0.96

0.98

1.00

1.02

1.04

1.06

1.08

1.10

VOUT (V)

dc3043a CS03

125°C

25°C

–45°C

LTC3310-1

3.3V

IN TO 1V

OUT

LOADSTEP 1.5A TO 7.5A 6A/µs

VOUTMIN = 0.983V, VOUTMAX = 1.018V

10µs/DIV

OUT

2A/DIV

OUT

10mV/DIV

dc3043a CS04

DEMO MANUAL DC3043A

Rev. 0

EMI TEST RESULTS

Conducted EMI Performance (CISPR25 Conducted

Emission Test with Class 5 Peak Limits)

Radiated EMI Performance (CISPR25 Radiated

Emission Test with Class 5 Peak Limits)

Radiated EMI Performance (CISPR25 Radiated

Emissions Test with Class 5 Peak Limits)

FREQUENCY (MHz)

AMPLITUDE (dBµV/m)

–10

–20

dc3043a EMI01

0 50 9030 70

110

10040 8020 6010

CLASS 5 PEAK LIMIT

MEASURED DATA

AMBIENT NOISE

DC3043A DEMO BOARD

(WITH EMI FILTER INSTALLED)

3.3V INPUT TO 1V OUTPUT AT 8A, f

= 2MHz

FREQUENCY (MHz)

AMPLITUDE (dBµV/m)

dc3043a EMI02

0 500 900300 700

1000

400 800200 600100

–10

–20

HORIZONTAL POLARIZATION

CLASS 5 PEAK LIMIT

MEASURED EMISSIONS

AMBIENT NOISE

DC3043A DEMO BOARD

(WITH EMI FILTER INSTALLED)

3.3V INPUT TO 1V OUTPUT AT 8A, fSW = 2MHz

FREQUENCY (MHz)

AMPLITUDE (dBµV/m)

dc3043a EMI03

0 500 900300 700

1000

400 800200 600100

–10

–20

VERTICAL POLARIZATION

CLASS 5 PEAK LIMIT

MEASURED EMISSIONS

AMBIENT NOISE

DC3043A DEMO BOARD

(WITH EMI FILTER INSTALLED)

3.3V INPUT TO 1V OUTPUT AT 8A, fSW = 2MHz

DEMO MANUAL DC3043A

Rev. 0

THEORY OF OPERATION

Introduction to the DC3043A

The DC3043A demonstration circuit features the

LTC3310-1, a fixed 1V output, synchronous step-down

Silent Switcher.”The LTC3310-1 is a monolithic, constant

frequency, 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 begin-

ning of each clock cycle. Current in the inductor then

increases until the top switch comparator trips and turns

off the top power switch. The peak inductor current, at

which the top switch turns off, is controlled by the volt-

age on the internal ITH node. The error amplifier servos

the ITH node by comparing the voltage on the internal

VFB pin with an internal 500mV reference. When the load

current increases, it causes a reduction in the feedback

voltage relative to the reference leading the error amplifier

to raise the ITH voltage until the average inductor current

matches the new load current. When the top switch turns

off, the synchronous power switch turns on until the next

clock cycle begins or the inductor current falls to zero.

If overload conditions result in excessive current flowing

through the bottom switch, the next clock cycle will be

delayed until the switch current returns to a safe level.

The LTC3310-1 includes Active Voltage Positioning (AVP)

where the output voltage is dependent on load current. At

light loads the output is regulated above the nominal. At

full load the output is regulated below the nominal. The DC

regulation is degraded to improve transient performance

and reduce output capacitance requirements.

If the EN pin is low, the LTC3310-1 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 synchronizes the switching fre-

quency to an external clock, is a clock output or sets the

PWM mode. The PWM modes of operation are either pulse

skip or forced continuous. See the LTC3310S/LTC3310-1

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

VOUT to VIN and the available inductor values. The maxi-

mum allowable operating frequency may be calculated in

the formula below.

Select an operating switching frequency below fSW(MAX).

Typically, it is desired to obtain an inductor current of 30%

of the maximum LTC3310-1 operating load, 10A. Use the

formulas below to calculate the inductor value to obtain

a 30% (3A) inductor ripple for the operating frequency.

fSW(MAX) =

OUT

VIN(MAX) • tON(MIN)

When determining the compensation components, C10,

C11 and R8, controlling the loop stability and transient

response are the two main considerations. The LTC3310-1

has been designed to operate at a high bandwidth for

fast transient response capabilities. This reduces out-

put capacitance required to meet the desired transient

response. The mid-band gain of the loop increases with

R8 and the bandwidth of the loop increases with decreas-

ing C11. C10 along with R8 provides a high frequency

pole to reduce the high frequency gain.

L≈VOUT

3A • fSW

• 1– VOUT

VIN(MAX)

⎛

⎝

⎜⎞

⎠

⎟for VOUT

VIN(MAX)

≤0.5

L≈0.25• VIN(MAX)

3A • fSW

for VOUT

VIN(MAX)

>0.5

Loop stability is generally measured using the Bode Plot

method of plotting loop gain in dB and phase in degrees.

The 0dB crossover frequency should be less the 1/6 of

the operating frequency to reduce the effects of added

phase of the modulator. The control loop phase margin

goal should be 45° or greater and a gain margin goal of

8dB or greater.

Ceramic capacitors with a X5R or X7R dielectric should be

used for both input and output capacitors. It is important

to review the impedance versus frequency when selecting

a capacitor for the application. Ceramic capacitors have a

resonant frequency in the 1MHz to 3MHz range. Setting

the operating frequency above the resonant frequency will

result in higher output ripple voltage due to the ESL of

the capacitor. Low inductance capacitors are available at

a higher cost but can improve the ripple voltage by 30%.

Low inductance capacitors are available from Murata,

TDK, Taiyo Yuden and AVX.

DEMO MANUAL DC3043A

Rev. 0

PARTS LIST

ITEM QTY REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER

Required Circuit Components

1 2 C2, C3 CAP., 22µF, X7S, 6.3V, 20%, 0805 TDK, C2012X7S0J226M125AC

2 2 C4, C12 CAP., 1µF, X7T, 6.3V, 20%, 0201 MURATA, GRM033D70J105ME01D

3 7 C5, C6, C23-C27 CAP., 47µF, X7S, 6.3V, 20%, 1206, NO SUBS. ALLOWED TDK, C3216X7S0J476M160AC

4 1 C9 CAP., 0.033µF, X7R, 25V, 10%, 0402 WURTH ELEKTRONIK, 885012205053

5 1 C10 CAP., 3.3pF, C0G, 50V, ±0.25pF, 0402 AVX, 04025A3R3CAT2A

6 1 C11 CAP., 330pF, X7R, 50V, 20%, 0402 AVX, 04025C331MAT2A

7 1 C20 CAP., 0.1µF, X7S, 16V, 10%, 0201 MURATA, GRM033C71C104KE14D

8 1 L1 IND., 0.1µH, PWR, SHIELDED, 20%, 25.8A, 1.8mΩ,

4.3mm × 4.3mm, XEL4030, AEC-Q200

COILCRAFT, XEL4030-101MEB

9 1 R4 RES., 0Ω, 1/16W, 0402, AEC-Q200 VISHAY, CRCW04020000Z0ED

10 1 R8 RES., 15k, 1%, 1/16W, 0402 VISHAY, CRCW040215K0FKED

11 1 U1 IC, 5V, FIXED 1V OUTPUT 10A SYNCHRONOUS STEP-DOWN

SILENT SWITCHER 2, 18-LQFN

ANALOG DEVICES, LTC3310HV-1#PBF

Additional Demo Board Circuit Components

1 2 C1, C18 CAP., 470µF, TANT. POSCAP, 6.3V, 20%, 7343, 10mΩ, TCF PANASONIC, 6TCF470MAH

2 2 C7, C15 CAP., 0.1µF, X7R, 10V, 10%, 0402, AEC-Q200 MURATA, GCM155R71A104KA55D

3 1 C8 CAP., 22µF, X7S, 6.3V, 20%, 0805 TDK, C2012X7S0J226M125AC

4 4 C13, C14, C16, C17 CAP., 10µF, X7S, 6.3V, 20%, 0603 TDK, C1608X7S0J106M080AC

5 0 C19 CAP., OPTION, 0402

6 2 C21, C22 CAP., 0.47µF, X7S, 10V, 10%, 0402, AEC-Q200 MURATA, GCM155C71A474KE36D

7 1 L2 IND., 100Ω AT 100MHz, FERRITE BEAD, 25%, 8A, 6mΩ, 1812 WURTH ELEKTRONIK, 74279226101

8 1 Q1 XSTR., MOSFET, N-CH, 40V, 14A, DPAK (TO-252) VISHAY, SUD50N04-8M8P-4GE3

9 1 R1 RES., 1M, 1%, 1/16W, 0402, AEC-Q200 VISHAY, CRCW04021M00FKED

10 1 R2 RES., 249k, 1%, 1/16W, 0402, AEC-Q200 VISHAY, CRCW0402249KFKED

11 2 R3, R9 RES., 100k, 5%, 1/16W, 0402, AEC-Q200 VISHAY, CRCW0402100KJNED

12 0 R5, R6 RES., OPTION, 0402

13 1 R7 RES., 20Ω, 1%, 1/16W, 0402, AEC-Q200 VISHAY, CRCW040220R0FKED

14 1 R10 RES., 0.05Ω, 1%, 10W, 2818, AEC-Q200, METAL, HP VISHAY, WSHP2818R0500FEA

15 1 R11 RES., 10k, 5%, 1/16W, 0402, AEC-Q200 VISHAY, CRCW040210K0JNED

Hardware: For Demo Board Only

1 10 E1-E3, E5, E12, E14-E17, E20 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, E10, E13, E18, E21 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, E9, E11, E19 CONN., BANANA JACK, FEMALE, THT, NON-INSULATED, SWAGE,

0.218"

KEYSTONE, 575-4

4 1 JP1 CONN., HDR, MALE, 1 × 3, 2mm, VERT, ST, THT WURTH ELEKTRONIK, 62000311121

5 4 MP1-MP4 STANDOFF, NYLON, SNAP-ON, 0.50" KEYSTONE, 8833

6 1 XJP1 CONN., SHUNT, FEMALE, 2 POS, 2mm WURTH ELEKTRONIK, 60800213421

DEMO MANUAL DC3043A

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

1.0V

10A

2.25V - 5.5V

VOUT

MODE/SYNC

GND

SSTT

PGOOD

GND

VIN

GND

VIN

GND

VOUT

GND

VOUT

SNSE

GND

SNSE

VIN

SNSE

GND

SNSE

REVISION HISTORY

ECO REV DESCRIPTION APPROVED DATE

-PRODUCTION 6/10/2020

PCA ADDITIONAL PARTS

PULSE SKIP/SYNC

FORCED CONT

(VIN MAX)

MODE

PULSE SKIP

FORCED CONT.

R3 R4 R6

OPEN

0 or OPEN * POPULATED OR OPEN **

100k

OPEN

* IF R6 IS POPULATED R4 MUST BE OPEN.

** MODE/SYNC PIN IS CLOCK OUTPUT WHEN R6 IS POPULATED.

FSW = 2MHz

CONNECT BY VOUT

SENSE ONLY

VIN EMI

OPEN

100k

2.25V - 5.5V

NOTES: UNLESS OTHERWISE SPECIFIED

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

2. CAPACITORS: 0402

SG_INPUT

I_STEP

OPTIONAL TRANSIENT RESPONSE CIRCUIT

20V MAX

3.3V TO 1.0V AT 10A, 2MHz AUTOMOTIVE LOW

EMI BUCK REGULATOR IN A 2.11cm SOLUTION

R7 IS USED FOR PHASE AND GAIN MEASURMENTS ONLY.

R7 CAN BE REPLACED WITH A WIRE IN THE APPLICATION.

***

OPT

VIN

GND_A

VIN

GND

GND_A

DATE:

IC NO.

SHEET OF

TITLE: DEMO CIRCUIT SCHEMATIC,

APPROVALS

PCB DES.

APP ENG.

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.

SCALE = NONE

SIZE:

SKU NO.

SCHEMATIC NO. AND REVISION:

PCA ASS'Y DWG:

www.analog.com

LTC3310-1

DC3043A 710-DC3043A_REV02

705-DC3043A_REV02

Friday, October 16, 2020DATE:

IC NO.

SHEET OF

TITLE: DEMO CIRCUIT SCHEMATIC,

APPROVALS

PCB DES.

APP ENG.

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.

SCALE = NONE

SIZE:

SKU NO.

SCHEMATIC NO. AND REVISION:

PCA ASS'Y DWG:

www.analog.com

LTC3310-1

DC3043A 710-DC3043A_REV02

705-DC3043A_REV02

Friday, October 16, 2020DATE:

IC NO.

SHEET OF

TITLE: DEMO CIRCUIT SCHEMATIC,

APPROVALS

PCB DES.

APP ENG.

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.

SCALE = NONE

SIZE:

SKU NO.

SCHEMATIC NO. AND REVISION:

PCA ASS'Y DWG:

www.analog.com

LTC3310-1

DC3043A 710-DC3043A_REV02

705-DC3043A_REV02

Friday, October 16, 2020

E19

TP2

47uF

X7S

1206

6.3V

JP1

E15

C16

10uF

X7S

0603

6.3V

LTC3310HV-1

SW 6

VOUT 18

ITH

MODE/SYNC

RT 15

PGOOD 14

SSTT

VIN

PGND

AGND

VIN

4SW 7

SW 8

SW 9

PGND

100k

E13

PCB1 PCB, DC3043A REV02

MP1 STANDOFF,NYLON,SNAP-ON,0.50"

22uF

X7S

6.3V

0805

E9 TPB1

MP4 STANDOFF,NYLON,SNAP-ON,0.50"

C18

470uF

C19

OPT

249k

22uF

X7S

6.3V

0805

470uF

E12

15k

E20

C22

0.47uF

X7S

10V

0.1uF

X7R

10V

E11

22uF

X7S

6.3V

0805

C20

0.1uF

0201

X7S

16V

0.033uF

X7R

25V

100k

SUD50N04-8m8P

C24

47uF

X7S

1206

6.3V

R11

10k

TP3

TP1

MP3 STANDOFF,NYLON,SNAP-ON,0.50"

E10

C25

47uF

X7S

1206

6.3V

C11

330pF

X7R

50V

E17

0.1uH

XEL4030-101MEB

OPT

E18

C26

47uF

X7S

1206

6.3V

E14

C15

0.1uF

X7R

10V

C23

47uF

X7S

1206

6.3V

LB1 LABEL

100 OHMS@100MHz

C13

10uF

X7S

0603

6.3V

R10

0.05

2818

10W

TPA1

1M C27

47uF

X7S

1206

6.3V

C21

0.47uF

X7S

10V

C14

10uF

X7S

0603

6.3V

MP2 STANDOFF,NYLON,SNAP-ON,0.50"

1uF

X7T

6.3V

0201

47uF

X7S

1206

6.3V

E21

C17

10uF

X7S

0603

6.3V

C12

1uF

X7T

6.3V

0201

E16

C10

3.3pF

C0G

50V

OPT

VOUT

MODE

VOUT VIN

DEMO MANUAL DC3043A

Rev. 0

 ANALOG DEVICES, INC. 2021

04/21

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.

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