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dc2164abfa

DEMO MANUAL DC2164A-B

Description

LTM4630EY-1

High Efficiency, PolyPhase 105A

Step-Down Power µModule™ Regulator

Demonstration Circuit 2164A-B features a PolyPhase

design using the LT M

4630EY-1 (A-grade), the high ef-

ficiency, high density, dual 18A, switch mode step-down

power module regulator. The input voltage is from 4.5V

to 15V. The output voltage is jumper selectable from 0.9V

to 1.8V. DC2164A-B can deliver nominal 105A output

current. As explained in the data sheet, output current

derating is necessary for certain VIN, VOUT, and thermal

conditions. The LTM4630-1A on DC2164A-B always

operate in continuous conduction mode. The switching

frequency can be programmed through a resistor or can

be synchronized to an external clock signal. The board

allows the user to program how its output voltage ramps

up and down through the TRACK pin. The output voltage

L, LT, LTC, LTM, Linear Technology, the Linear logo, µModule and PolyPhase are registered

trademarks of Linear Technology Corporation. All other trademarks are the property of their

respective owners.

is tightly regulated between VO+and VO–through remote

output voltage sensing which improves output voltage

regulation at heavy loads. The LTM4630-1A has ±0.8%

total DC errors. These features and the availability of the

LTM4630EY-1 in a compact 16mm × 16mm × 5.01mm

BGA package make it ideal for use in many high-density

point-of-loadregulation applications. The LTM4630-1 data

sheet must be read in conjunction with this demo manual

for working on or modifying the demo circuit DC2164A-B.

Design files for this circuit board are available at

http://www.linear.com/demo/DC2164A-B

Figure 1. 105A PolyPhase LTM4630-1/DC2164A-B Demo Board

Downloaded from Arrow.com.

dc2164abfa

DEMO MANUAL DC2164A-B

Quick start proceDure

Demonstration circuit 2164A-B is easy to set up to

evaluate the performance of PolyPhase operation of the

LTM4630EY-1. Due to the high input/output current, user

should select the proper input supply/load/cable which

can sustain the full load operation. It’s recommended to

pull load current from J2 and J4. The load current pulled

from J5 and J6 shouldn’t exceed 18A. Please refer to

Figure 2 for proper measurement setup and follow the

procedure below:

1. Place jumpers in the following positions for a typical

1VOUT application:

JP1 JP2 JP4 ~ JP8

CLK RUN VOUT SELECT

INT OFF ON JP5/1.0V

2. With power off, connect the input power supply, load

and meters as shown in Figure 2. Preset the load to 0A

and VIN supply to 12V.

3. Turn on the power supply at the input. Place JP2 to

ON position. The output voltage between VO+and VO–

should be 1V ±0.8% (0.992V ~ 1.008V).

4. Oncethe proper outputvoltage is established,adjust the

load within the operating range and observe the output

voltage regulation, output voltage ripple, efﬁciency

and other parameters. Output voltage ripple should

be measured at J7 with BNC cables. 50Ω termination

should be set on the oscilloscope or BNC cables.

5. (Optional) For optional load transient test, apply an

adjustable pulse signal between IOSTEP CLK and GND

test point. Pulse amplitude (3V~ 3.5V) sets the load

stepcurrent amplitude. The output transient current can

be monitored at the BNC connector J8 (5mV/A). The

pulse signal should be very small duty cycle (<10%)

to limit the thermal stress on the transient load circuit.

6. (Optional) LTM4630-1 can be synchronized to an

external clock signal. Place the JP1 jumper on EXT

and apply a clock signal (0V~ 5V, square wave) on

the EXT_CLK test point.

7. (Optional) The outputs of LTM4630-1 can track another

supply. The output voltage tracks the voltage on TRACK

when a valid signal is applied on the test point.

8. (Optional) DC2164A-B can be conﬁgured to a dual

outputs conﬁguration with VOat 87A load current and

VO2 at 18A load current. Stuff 0Ω resistor on R61 and

0.1µF on C14. Remove R22, R23, R24, R26, R27, R28,

R32, R33, R35. Output voltage VO2 is set by R37 based

on the equation VO2 = 0.6V(1 + 60.4k/R37).

performance summary

Specifications are at TA= 25°C

PARAMETER CONDITIONS MIN TYP MAX UNITS

Input Voltage Range 4.5 15 V

Output Voltage VOUT VIN = 4.5 ~ 15V, IOUT = 0A ~ 105A, JP5: 1V 1 ±0.8%

(0.992 ~ 1.008)

Maximum Continuous Output Current Derating Is Necessary for Certain VIN, VOUT and Thermal

Conditions, See Data Sheet for Detail

105 A

Default Operating Frequency 400 kHz

Resistor Programmable Frequency Range 400 780 kHz

External Clock Sync. Frequency Range 400 780 kHz

Efficiency VIN = 12V, VOUT = 1V, IOUT = 105A, fSW = 400kHz 83.8

(See Figure 3)

Load T

ransient VIN = 12V, VOUT = 1V, ISTEP = 0A ~ 26.25A <53.1

(See Figure 4)

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dc2164abfa

DEMO MANUAL DC2164A-B

Quick start proceDure

Figure 2. Test Setup of DC2164A-B

Figure 3. Measured Efficiency VIN = 12V, fSW = 400kHz

LOAD CURRENT (A)

EFFICIENCY (%)

100

60 4020 8060

dn2164ab F03

100

VO= 0.9V

VO= 1.0V

VO= 1.2V

VO= 1.5V

VO= 1.8V

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dc2164abfa

DEMO MANUAL DC2164A-B

dn2164ab F04

0A TO 26.25A LOAD

1V OUTPUT (20MHz BW) [50mV/DIV]

parts List

ITEM QTY REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER

Required Circuit Components

1 1 CIN1 CAP, 150µF 25% 25V ALUM SUN ELECT., 25CE150AX

2 2 CIN2, CIN11 CAP, 1206 1µF 10% 25V X5R TAIYO YUDEN, TMK316BJ105KL-T

3 12 CIN3-CIN10, CIN12-CIN15 CAP, 1210 22µF 10% 25V X5R AVX, 12103D226KAT2A

4 18 CO1, CO2, CO5, CO6, CO7, CO8, CO11, CO13,

CO15, CO16, CO56, CO57, CO20, CO21, CO26,

CO27, CO24, CO58

CAP, 1206 220µF 20% 4V X5R MURATA, GRM31CR60G227ME11L

5 1 C1 CAP, 0603 330pF 10% 50V NPO AVX, 06035A331KAT2A

6 4 C4, C10, C18, C22 CAP, 0603 2.2µF 20% 10V X5R TAIYO YUDEN, LMK107BJ225MA-T

7 6 C6, C11, C19, C23, C27, C28 CAP, 0603 1µF 10% 10V X7R TAIYO YUDEN, LMK107BJ105KA-T

8 2 C7, C25 CAP, 0603 0.1µF 10% 25V X7R AVX, 06033C104KAT2A

9 2 C24, C31 CAP, 0603 0.01µF 10% 100V X7R AVX, 06031C103KAT2A

10 2 Q1, Q2 MOSFET, N-CH D-S 30V TO252 VISHAY, SUD50N04-8M8P-4GE3

11 4 R1, R3, R25, R29 RES, 0603 10Ω 5% 1/10W VISHAY, CRCW060310R0JNEA

12 5 R2, R14, R21, R39, R47 RES, 0603 121k 1% 1/10W VISHAY, CRCW0603121KFKEA

13 4 R4, R36, R41, R54 RES, 0603 10k 5% 1/10W VISHAY, CRCW060310K0JNEA

14 4 R9, R31, R43, R51 RES, 0603 100k 1% 1/10W VISHAY, CRCW0603100KFKEA

15 1 R11 RES, 0603 2.32k 1% 1/10W VISHAY, CRCW06032K32FKEA

16 1 R15 RES, 0603 90.9k 1% 1/10W VISHAY, CRCW060390K9FKEA

17 1 R16 RES, 0603 60.4k 1% 1/10W VISHAY, CRCW060360K4FKEA

18 1 R17 RES, 0603 40.2k 1% 1/10W VISHAY, CRCW060340K2FKEA

19 1 R18 RES, 0603 30.1k 1% 1/10W VISHAY, CRCW060330K1FKEA

20 2 R56, R57 RES, 2512 0.010Ω 1% 1W VISHAY, WSL2512R01000FEA

21 3 U1, U2, U3 IC, VOLTAGE REGULATOR, BGA LINEAR TECH., LTM4630IY-1A#PBF

Quick start proceDure

Figure 4. Load Transient 0A to 26.25A (VIN = 12V, VOUT = 1V)

Figure 5. Thermal Capture at 12VIN, 1VOUT, 105A

(TA= 25°C, 400 LFM Airflow and No Heat Sink)

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dc2164abfa

DEMO MANUAL DC2164A-B

ITEM QTY REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER

Additional Demo Board Circuit Components

1 0 CIN16-CIN19 DO NOT STUFF

2 0 CO3, CO9, CO14, CO17, CO18, CO22, CO28,

CO30, CO32-CO36, CO38, CO40, CO42, CO45,

CO46, CO48, CO50, CO52, CO54, CO55, CO59

CAP, 1210 OPTION OPTION

3 0 CO4, CO10, CO12, CO19, CO23, CO25, CO29,

CO31, CO37, CO39, CO41, CO43, CO44, CO47,

CO49, CO51, CO53

CAP, 7343 OPTION OPTION

4 0 C2, C3, C5, C8, C9, C12-, C17, C20, C21, C26,

C29, C30, C32

CAP, 0603 OPTION OPTION

5 0 R5, R7, R8, R10, R30, R37, R38, R42, R44,

R48-R50, R52, R53, R55, R61, R64

RES, 0603 OPTION OPTION

6 14 R6, R13, R19, R20, R27, R28, R32-R35, R40,

R45, R62, R63

RES, 0603 0Ω JUMPER VISHAY, CRCW06030000Z0EA

7 4 R22, R23, R24, R26 RES, 2010 0Ω JUMPER VISHAY, CRCW20100000ZEA9

8 0 R58, R59 RES, 2512 OPTION OPTION

9 1 R60 RES, 1206 0Ω JUMPER VISHAY, CRCW12060000ZOEA

10 0 U4 DO NOT STUFF

Hardware: For Demo Board Only

1 11 E1-E4, E6-E9, E12, E13, E22 TESTPOINT, TURRET, 0.063" MILL MAX, 2308-2-00-80-00-00-07-0

2 2 E19, E20 TESTPOINT, TURRET, 0.094" MILL MAX, 2501-2-00-80-00-00-07-0

3 2 JP1, JP2 HEADER, 3 PIN 0.079 SINGLE ROW SULLINS, NRPN031PAEN-RC

4 5 JP4, JP5, JP6, JP7, JP8 HEADER, 2 PIN 0.079 SINGLE ROW SAMTEC, TMM-102-02-L-S

5 4 J1, J2, J3, J4 STUD, TEST PIN PEM, KFH-032-10

6 8 J1, J2, J3, J4 (x2) NUT, BRASS PL #10-32 ANY, 10-32M/S BR PL

74 J1, J2, J3, J4 LUG RING, #10 KEYSTONE, 8205

8 4 J1, J2, J3, J4 WASHER, TIN PLATED BRASS ANY, #10EXT BZ TN

9 2 J5, J6 JACK, BANANA KEYSTONE, 575-4

10 2 J7, J8 CON, BNC, 5 PINS CONNEX, 112404

11 3 XJP1, XJP2, XJP4 SHUNT SAMTEC, 2SN-BK-G

parts List

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dc2164abfa

DEMO MANUAL DC2164A-B

schematic Diagram

D D

C C

B B

A A



VOUT

SELECT

NOTE:UNLESSOTHERWISESPECIFIED,

1.ALLCAPACITORS,RESISTORS0603.

ASSY I.C.

‐A U1,U2

U1,U2,U3

U1,U2,U3,U4

‐B

‐C

70A

105A

140A

Iout

OPT

R13

OPT

R34

OPT

22uF

Cin12, 13, 14, 15

OPT

22uF

Cin16, 17, 18, 19

OPT

220uF

Co20, 21,26

OPT

220uF

Co30, 32,34

*Co24,27,58 Co35, 55,59

1206 1206

1206 1206 1206 1206

VFB

PGOOD

COMP

RUN

TRACK

VOUT

VFB

PGOOD

COMP

RUN

TRACK

DIFFP

DIFFN

VFB

PGOOD

COMP

CLKOUT_U1

RUN

TRACK

VFB

VIN

INTVCC_U1

VOUT

VO+

VO-

VO+

INTVCC_U1

VIN

VO+ VO-

VOUT

EXTVCC

SIZE

DATE:

IC NO. REV.

SHEET OF

TITLE:

APPROVALS

PCB DES.

APP ENG.

TECHNOLOGY

Fax: (408)434-0507

Milpitas, CA 95035

Phone: (408)432-1900

1630 McCarthy Blvd.

LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY

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

SCHEMATIC

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

www.linear.com

DEMO CIRCUIT 2164A

Monday, September 28, 2015

HIGH EFFICIENCY, POLYPHASE, DC/DC

N/A

LTM4630EY-1A

STEP-DOWN POWER MODULE REGULATOR

SIZE

DATE:

IC NO. REV.

SHEET OF

TITLE:

APPROVALS

PCB DES.

APP ENG.

TECHNOLOGY

Fax: (408)434-0507

Milpitas, CA 95035

Phone: (408)432-1900

1630 McCarthy Blvd.

LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY

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

SCHEMATIC

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

www.linear.com

DEMO CIRCUIT 2164A

Monday, September 28, 2015

HIGH EFFICIENCY, POLYPHASE, DC/DC

N/A

LTM4630EY-1A

STEP-DOWN POWER MODULE REGULATOR

SIZE

DATE:

IC NO. REV.

SHEET OF

TITLE:

APPROVALS

PCB DES.

APP ENG.

TECHNOLOGY

Fax: (408)434-0507

Milpitas, CA 95035

Phone: (408)432-1900

1630 McCarthy Blvd.

LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY

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

SCHEMATIC

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

www.linear.com

DEMO CIRCUIT 2164A

Monday, September 28, 2015

HIGH EFFICIENCY, POLYPHASE, DC/DC

N/A

LTM4630EY-1A

STEP-DOWN POWER MODULE REGULATOR

REVISION HISTORY

DESCRIPTION DATE APPROVEDECO REV

PRODUCTION-1 9/28/15

REVISION HISTORY

DESCRIPTION DATE APPROVEDECO REV

PRODUCTION-1 9/28/15

REVISION HISTORY

DESCRIPTION DATE APPROVEDECO REV

PRODUCTION-1 9/28/15

CO4

OPT

7343

330pF

CO39

OPT

7343

4.5V -15V

VIN

CO9

OPT

1210

CO8

220uF

SW1-1

CIN6

22uF

25V

1210

1uF

10V

R60

0 Ohm

1206

100k

CO1

220uF

LTM4630EY-1A

VOUT1

VFB1

SW1

PGOOD1

COMP1

RUN1

TRACK1

VOUTS1

VOUT2

A10

VOUT2

A11

VOUT2

A12

VOUT2

B10

VOUT2

B11

VOUT2

B12

VOUT2

C10

VOUT2

C11

VOUT2

C12

VFB2

SW2

G11

PGOOD2

COMP2

RUN2

TRACK2

VOUTS2

VIN

M10

VIN

M11

VIN

L10

VIN

L11

VIN

K10

VIN

K11

VIN

J10

VIN

J11

GND

D10

GND

D11

GND

D12

GND

E10

GND

E11

GND

E12

GND

F10

GND

F11

GND

F12

GND

G10

GND

G12

GND

H10

GND

H11

GND

H12

GND

M12

GND

L12

GND

J12

GND

K12

GND

SGND

FSET

PHASMD

DIFFP

DIFFN

CLKOUT

MODE-PLLIN

TEMP

INTVCC

EXTVCC

DIFFOUT

R62

0 Ohm

VO+

R16

60.4K

CIN4

22uF

25V

1210

OPT

CIN1

150uF

25V

JP1

EXT

INT

CLK

R13

OPT

GND

CIN2

1uF

25V

1206

E10

SW2-1

VIN-

CIN3

22uF

25V

1210

R18

30.1K

GND

OPT

CO10

OPT

7343

R17

40.2K

OPT

CO42

OPT

1210

C31

0.01uF

CO6

220uF

0.6 - 1.8V

VOUT

E22

SGND

10K

CO7

220uF

R11

2.32K

R14

121K

CO5

220uF

EXT_CLK

CIN5

22uF

25V

1210

JP5

1.0V

R63

0 Ohm

JP6

1.2V

VO-

CO2

220uF

JP7

1.5V

121K

JP4

0.9V

0.1uF

JP2

OFF

RUN

JP8

1.8V

TRACK

PGOOD

CO41

OPT

7343

CO3

OPT

1210

0 Ohm

2.2uF

10V

VIN+

OPT

CO40

OPT

1210

R10

OPT

R15

90.9K

EXTVCC

Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.

dc2164abfa

DEMO MANUAL DC2164A-B

schematic Diagram

D D

C C

B B

A A



REMOVE 0 OHM JUMPERS

FOR SEPARATE VOUT2_U2.

1206

1206 1206 1206 1206

1206 1206

COMP_U2

RUN_U2

COMP

TRACK_U2

VFB

PGOOD

RUN

TRACK

PGOOD_U2

DIFFOUT_U2

VFB_U2

PGOOD_U2

VFB_U2

RUN_U2

COMP_U2

TRACK_U2

COMP

CLKOUT_U1

CLKOUT_U2

RUN

TRACK

PGOOD

VFB

VOUT

INTVCC_U2

VOUT2_U2

VIN

EXTVCC

INTVCC_U2

VO2+

VO2-

VO2+ VO2-

INTVCC_U2

VO2+

VOUT2_U2VOUT

VOUT2_U2

SIZE

DATE:

IC NO. REV.

SHEET OF

TITLE:

APPROVALS

PCB DES.

APP ENG.

TECHNOLOGY

Fax: (408)434-0507

Milpitas, CA 95035

Phone: (408)432-1900

1630 McCarthy Blvd.

LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY

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

SCHEMATIC

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

www.linear.com

DEMO CIRCUIT 2164A

Monday, September 28, 2015

HIGH EFFICIENCY, POLYPHASE, CD/CD

N/A

LTM4630EY-1A

STEP-DOWN POWER MODULE REGULATOR

SIZE

DATE:

IC NO. REV.

SHEET OF

TITLE:

APPROVALS

PCB DES.

APP ENG.

TECHNOLOGY

Fax: (408)434-0507

Milpitas, CA 95035

Phone: (408)432-1900

1630 McCarthy Blvd.

LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY

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

SCHEMATIC

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

www.linear.com

DEMO CIRCUIT 2164A

Monday, September 28, 2015

HIGH EFFICIENCY, POLYPHASE, CD/CD

N/A

LTM4630EY-1A

STEP-DOWN POWER MODULE REGULATOR

SIZE

DATE:

IC NO. REV.

SHEET OF

TITLE:

APPROVALS

PCB DES.

APP ENG.

TECHNOLOGY

Fax: (408)434-0507

Milpitas, CA 95035

Phone: (408)432-1900

1630 McCarthy Blvd.

LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY

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

SCHEMATIC

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

www.linear.com

DEMO CIRCUIT 2164A

Monday, September 28, 2015

HIGH EFFICIENCY, POLYPHASE, CD/CD

N/A

LTM4630EY-1A

STEP-DOWN POWER MODULE REGULATOR

R22

0 Ohm

2010

C11

1uF

10V

CO14

OPT

1210

C13

OPT

CIN9

22uF

25V

1210

R23

0 Ohm

2010

R27

0 Ohm

GND

CO12

OPT

7343

OPT

C32

OPT

CO43

OPT

7343

OPT

CO25

OPT

7343

R24

0 Ohm

2010

R21

121K

C15

OPT

R31

100K

R20

0 Ohm

R25

CO44

OPT

7343

VOUT/

VOUT2_U2

CO56

220uF

R61

OPT

CO38

OPT

1210

CO19

OPT

7343

R26

0 Ohm

2010

CO45

OPT

1210

CO57

220uF

CO13

220uF

CO46

OPT

1210

LTM4630EY-1A

VOUT1

VFB1

SW1

PGOOD1

COMP1

RUN1

TRACK1

VOUTS1

VOUT2

A10

VOUT2

A11

VOUT2

A12

VOUT2

B10

VOUT2

B11

VOUT2

B12

VOUT2

C10

VOUT2

C11

VOUT2

C12

VFB2

SW2

G11

PGOOD2

COMP2

RUN2

TRACK2

VOUTS2

VIN

M10

VIN

M11

VIN

L10

VIN

L11

VIN

K10

VIN

K11

VIN

J10

VIN

J11

GND

D10

GND

D11

GND

D12

GND

E10

GND

E11

GND

E12

GND

F10

GND

F11

GND

F12

GND

G10

GND

G12

GND

H10

GND

H11

GND

H12

GND

M12

GND

L12

GND

J12

GND

K12

GND

SGND

FSET

PHASMD

DIFFP

DIFFN

CLKOUT

MODE-PLLIN

TEMP

INTVCC

EXTVCC

DIFFOUT

R19

0 Ohm

R34

0 Ohm

R64

OPT

CIN10

22uF

25V

1210

R32

0 Ohm

R33

0 Ohm

R35

0 Ohm

C14

OPT

E11

SW1-2

R28

0 Ohm

R38

OPT

CO18

OPT

1210

CIN8

22uF

25V

1210

CO16

220uF

R37

OPT

R36

10K

C10

2.2uF

10V

CO11

220uF

R29

CIN7

22uF

25V

1210

CO15

220uF

E13

VO2-

E12

VO2+

C12

OPT

R30

OPT

E14

SW2-2

CO17

OPT

1210

Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.

dc2164abfa

DEMO MANUAL DC2164A-B

schematic Diagram

D D

C C

B B

A A



**** *

***

1206 1206 1206 1206

1206 1206

COMP

RUN

COMP

CLKOUT_U2

CLKOUT_U3

PGOOD

RUN

VFB

TRACK

PGOOD

TRACK

VFB

COMP

CLKOUT_U2

CLKOUT_U3

RUN

VFB

PGOOD

TRACK

VOUT

INTVCC_U3

VOUT

VIN

EXTVCC

INTVCC_U3

SIZE

DATE:

IC NO. REV.

SHEET OF

TITLE:

APPROVALS

PCB DES.

APP ENG.

TECHNOLOGY

Fax: (408)434-0507

Milpitas, CA 95035

Phone: (408)432-1900

1630 McCarthy Blvd.

LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY

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

SCHEMATIC

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

www.linear.com

DEMO CIRCUIT 2164A

Monday, September 28, 2015

HIGH EFFICIENCY, POLYPHASE, DC/DC

N/A

LTM4630EY-1A

STEP-DOWN POWER MODULE REGULATOR

SIZE

DATE:

IC NO. REV.

SHEET OF

TITLE:

APPROVALS

PCB DES.

APP ENG.

TECHNOLOGY

Fax: (408)434-0507

Milpitas, CA 95035

Phone: (408)432-1900

1630 McCarthy Blvd.

LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY

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

SCHEMATIC

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

www.linear.com

DEMO CIRCUIT 2164A

Monday, September 28, 2015

HIGH EFFICIENCY, POLYPHASE, DC/DC

N/A

LTM4630EY-1A

STEP-DOWN POWER MODULE REGULATOR

SIZE

DATE:

IC NO. REV.

SHEET OF

TITLE:

APPROVALS

PCB DES.

APP ENG.

TECHNOLOGY

Fax: (408)434-0507

Milpitas, CA 95035

Phone: (408)432-1900

1630 McCarthy Blvd.

LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY

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

SCHEMATIC

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

www.linear.com

DEMO CIRCUIT 2164A

Monday, September 28, 2015

HIGH EFFICIENCY, POLYPHASE, DC/DC

N/A

LTM4630EY-1A

STEP-DOWN POWER MODULE REGULATOR

CO49

OPT

7343

C17

OPT

CO23

OPT

7343

CO58

220uF

R39

121K

1% CO20

220uF

CO29

OPT

7343

CO28

OPT

1210

C16

OPT

R40

0 Ohm

CIN11

1uF

25V

1206

E16

SW2-3

CIN15

22uF

25V

1210

CO47

OPT

7343

LTM4630EY-1A

VOUT1

VFB1

SW1

PGOOD1

COMP1

RUN1

TRACK1

VOUTS1

VOUT2

A10

VOUT2

A11

VOUT2

A12

VOUT2

B10

VOUT2

B11

VOUT2

B12

VOUT2

C10

VOUT2

C11

VOUT2

C12

VFB2

SW2

G11

PGOOD2

COMP2

RUN2

TRACK2

VOUTS2

VIN

M10

VIN

M11

VIN

L10

VIN

L11

VIN

K10

VIN

K11

VIN

J10

VIN

J11

GND

D10

GND

D11

GND

D12

GND

E10

GND

E11

GND

E12

GND

F10

GND

F11

GND

F12

GND

G10

GND

G12

GND

H10

GND

H11

GND

H12

GND

M12

GND

L12

GND

J12

GND

K12

GND

SGND

FSET

PHASMD

DIFFP

DIFFN

CLKOUT

MODE-PLLIN

TEMP

INTVCC

EXTVCC

DIFFOUT

CO21

220uF

R44

OPT

R41

10K

CIN13

22uF

25V

1210

R43

100K

R42

OPT

CO27

220uF

CO48

OPT

1210

CO50

OPT

1210

CO26

220uF

E15

SW1-3

C19

1uF

10V

C18

2.2uF

10V

CO22

OPT

1210

CIN14

22uF

25V

1210

CO24

220uF

CIN12

22uF

25V

1210

Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.

dc2164abfa

DEMO MANUAL DC2164A-B

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-

tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.

schematic Diagram

D D

C C

B B

A A



LOAD TRANSIENT CIRCUIT

**** * *

1206 1206 1206 1206

1206 1206

COMP

RUN

COMP

TRACK

VFB

PGOOD

RUN

VFB

TRACK

PGOOD

CLKOUT_U3

VFB

COMP

CLKOUT_U3

RUN

TRACK

PGOOD

INTVCC_U4

VOUT

VIN

EXTVCC

INTVCC_U4

VOUT

VO+

VO-

VOUT

SIZE

DATE:

IC NO. REV.

SHEET OF

TITLE:

APPROVALS

PCB DES.

APP ENG.

TECHNOLOGY

Fax: (408)434-0507

Milpitas, CA 95035

Phone: (408)432-1900

1630 McCarthy Blvd.

LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY

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

SCHEMATIC

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

www.linear.com

DEMO CIRCUIT 2164A

Monday, September 28, 2015

HIGH EFFICIENCY, POLYPHASE, DC/DC

N/A

LTM4630-1EY

STEP-DOWN POWER MODULE REGULATOR

SIZE

DATE:

IC NO. REV.

SHEET OF

TITLE:

APPROVALS

PCB DES.

APP ENG.

TECHNOLOGY

Fax: (408)434-0507

Milpitas, CA 95035

Phone: (408)432-1900

1630 McCarthy Blvd.

LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY

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

SCHEMATIC

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

www.linear.com

DEMO CIRCUIT 2164A

Monday, September 28, 2015

HIGH EFFICIENCY, POLYPHASE, DC/DC

N/A

LTM4630-1EY

STEP-DOWN POWER MODULE REGULATOR

SIZE

DATE:

IC NO. REV.

SHEET OF

TITLE:

APPROVALS

PCB DES.

APP ENG.

TECHNOLOGY

Fax: (408)434-0507

Milpitas, CA 95035

Phone: (408)432-1900

1630 McCarthy Blvd.

LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY

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

SCHEMATIC

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

www.linear.com

DEMO CIRCUIT 2164A

Monday, September 28, 2015

HIGH EFFICIENCY, POLYPHASE, DC/DC

N/A

LTM4630-1EY

STEP-DOWN POWER MODULE REGULATOR

VOUT

R49

OPT

R53

OPT

CO30

220uF

CO52

OPT

1210

R51

100K

C22

2.2uF

10V

C26

OPT C27

1uF

10V

R52

OPT

CIN19

22uF

25V

1210

R58

OPT

2512

SUD50N04-8M8P-4GE

R48

OPT

CO36

OPT

1210

R47

121K

C23

1uF

10V

CO54

OPT

1210

R57

0.010

2512

R45

0 Ohm

SUD50N04-8M8P-4GE

C21

OPT

E18 SW2-4

CIN16

22uF

25V

1210

CO33

OPT

1210

CO34

220uF

R50

OPT

CO32

220uF

R55

OPT

C30

OPT R59

OPT

2512

C29

OPT

CIN18

22uF

25V

1210

R54

10K

CO53

OPT

7343

E17

SW1-4

CO35

220uF

C28

1uF

10V

CO37

OPT

7343

C24

0.01uF

CO55

220uF

IOSTEP

CIN17

22uF

25V

1210

CO59

220uF

R56

0.010

2512

CO51

OPT

7343

LTM4630EY-1A

VOUT1

VFB1

SW1

PGOOD1

COMP1

RUN1

TRACK1

VOUTS1

VOUT2

A10

VOUT2

A11

VOUT2

A12

VOUT2

B10

VOUT2

B11

VOUT2

B12

VOUT2

C10

VOUT2

C11

VOUT2

C12

VFB2

SW2

G11

PGOOD2

COMP2

RUN2

TRACK2

VOUTS2

VIN

M10

VIN

M11

VIN

L10

VIN

L11

VIN

K10

VIN

K11

VIN

J10

VIN

J11

GND

D10

GND

D11

GND

D12

GND

E10

GND

E11

GND

E12

GND

F10

GND

F11

GND

F12

GND

G10

GND

G12

GND

H10

GND

H11

GND

H12

GND

M12

GND

L12

GND

J12

GND

K12

GND

SGND

FSET

PHASMD

DIFFP

DIFFN

CLKOUT

MODE-PLLIN

TEMP

INTVCC

EXTVCC

DIFFOUT

E19

IOSTEP CLK

C25

0.1uF

CO31

OPT

7343

E20

GND

C20

OPT

dc2164abfa

DEMO MANUAL DC2164A-B

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900 ●FAX: (408) 434-0507 ●www.linear.com

LT 0915 REV A • PRINTED IN USA

DEMONSTRATION BOARD IMPORTANT NOTICE

Linear Technology Corporation (LTC) provides the enclosed product(s) under the following AS IS conditions:

This demonstration board (DEMO BOARD) kit being sold or provided by Linear Technology is intended for use for ENGINEERING DEVELOPMENT

OR EVALUATION PURPOSES ONLY and is not provided by LTC for commercial use. As such, the DEMO BOARD herein may not be complete

in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including but not limited to product safety

measures typically found in finished commercial goods. As a prototype, this product does not fall within the scope of the European Union

directive on electromagnetic compatibility and therefore may or may not meet the technical requirements of the directive, or other regulations.

If this evaluation kit does not meet the specifications recited in the DEMO BOARD manual the kit may be returned within 30 days from the date

of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY THE SELLER TO BUYER AND IS IN LIEU

OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS

FOR ANY PARTICULAR PURPOSE. EXCEPT TO THE EXTENT OF THIS INDEMNITY, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR

ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.

The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user releases LTC from all claims

arising from the handling or use of the goods. Due to the open construction of the product, it is the user’s responsibility to take any and all

appropriate precautions with regard to electrostatic discharge. Also be aware that the products herein may not be regulatory compliant or

agency certified (FCC, UL, CE, etc.).

No License is granted under any patent right or other intellectual property whatsoever. LTC assumes no liability for applications assistance,

customer product design, software performance, or infringement of patents or any other intellectual property rights of any kind.

LTC currently services a variety of customers for products around the world, and therefore this transaction is not exclusive.

Please read the DEMO BOARD manual prior to handling the product. Persons handling this product must have electronics training and

observe good laboratory practice standards. Common sense is encouraged.

This notice contains important safety information about temperatures and voltages. For further safety concerns, please contact a LTC application

engineer.

Mailing Address:

Linear Technology

1630 McCarthy Blvd.

Milpitas, CA 95035

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