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Linear Technology LTC3618EUF Demo Manual Download Page 4

4

dc1726f

DEMO MANUAL DC1726

ITEM

QTY

REFERENCE

PART DESCRIPTION

MANUFACTURER/PART NUMBER

Required Circuit Components

1

1

C3 CAP., X7R, 0.01μF, 50V, 20% 0603

AVX, 06035C103MAT2A

2

4

CIN1, CIN2, CIN3, CIN4

CAP., X7R, 22μF, 6.3V, 20% 1206

AVX, 12066C226MAT2A

3

2

COUT1, COUT2

CAP., X5R, 47μF, 6.3V, 20% 1210

AVX, 12106D476MAT2A

4

2

L1, L2 

INDUCTOR, 1μH

COILCRAFT, XFL4020-102MEB

5

1

RT

RES., CHIP, 402k, 1/16W, 5% 0603

VISHAY, CRCW0603402KFKEA

6

1

R1 RES., 

CHIP, 845k, 1/16W, 1% 0603

VISHAY, CRCW0603845KFKEA

7

1

R3 RES., 

CHIP, 562k, 1/16W, 1% 0603

VISHAY, CRCW0603562KFKEA

8

1

U1

IC., LTC3618EUF UF-24 

LINEAR TECH., LTC3618EUF#PBF

Additional Demo Board Circuit Components

1

3

C1, C2, CFFW1

CAP., C0G, 10pF, 25V, 20% 0603

AVX, 06033A100MAT2A

2

1

C4

CAP., X7R, 0.1μF, 50V, 20% 0603

AVX, 06035C104MAT2A

3

1

CIN6

CAP., TANT., 100μF 10V, 20% 7343

AVX, TPSW107M010Y0150

4

0

COUT5, COUT6, CIN5 (OPT)

CAP., 7343

 

5

1

CITH1

CAP., NPO, 470pF, 25V, 20% 0805

AVX, 08053A471MAT2A

6

1

CITH2

CAP., NPO, 680pF, 25V, 20% 0805

AVX, 08053A681MAT2A

7

2

COUT3, COUT4

CAP., X7R, 10μF, 6.3V, 20% 0805

AVX, 08056C106MAT2A

8

0

COUT7, COUT8 (OPT)

CAP., 1210

 

9

1

CSS1 CAP., X7R, 0.01μF, 50V, 20% 0603

AVX, 06035C103MAT2A

10

1

CFILT CAP., X7R, 1μF, 10V, 20% 0603

AVX, 0603ZD105MAT2A

11

1

RFILT

RES., CHIP, 24Ω, 1/16W, 5% 0603

VISHAY, CRCW060324R0JNEA

12

1

RITH1

RES., CHIP, 15.4k, 1/16W, 1% 0805

VISHAY, CRCW080515K4FKEA

13

1

RITH2

RES., CHIP, 10k, 1/16W, 1% 0805

VISHAY, CRCW080510K0FKEA

14

1

RTR1

RES., CHIP, 100k, 1/16W, 1% 0603

VISHAY, CRCW0603100KFKEA

15

2

RPG1, RPG2

RES., CHIP, 100k, 1/16W, 5% 0603

VISHAY, CRCW0603100KJNEA

16

1

RSS1

RES., CHIP, 4.7M, 1/16W, 5% 0603

VISHAY, CRCW06034M70JNEA

17

0

RTR3, R9, RM1, RM2 (OPT)

RES., 0603

18

1

R5 RES., 

CHIP, 422k, 1/16W, 1% 0603

VISHAY, CRCW0603422KFKEA

19

1

R7 RES., 

CHIP, 267k, 1/16W, 1% 0603

VISHAY, CRCW0603267KFKEA

Hardware/Components (For Demo Board Only)

1

2

JP11, JP12

HEADER, 3 PIN 0.079 SINGLE ROW 

SAMTEC, TMM-103-02-L-S

2

4

JP5, JP6, JP8, JP13

HEADER, 2x3 PIN 0.079 DOUBLE ROW 

SAMTEC, TMM-103-02-L-D

3

2

JP9, JP10

HEADER, 2x2 PIN 0.079 DOUBLE ROW 

SAMTEC, TMM-102-02-L-D

4

4

JP1-JP4

HEADER, 2 PIN 0.079 SINGLE ROW 

SAMTEC, TMM-102-02-L-S

5

9

XJP1, XJP5, XJP6, XJP8-XJP13

SHUNT, .079" CENTER

SAMTEC, 2SN-BK-G

6

14

E1-E14

TESTPOINT, TURRET, 0.094" pbf

MILL-MAX, 2501-2-00-80-00-00-07-0

7

4

MH1-MH4

STANDOFF, NYLON, 0.25, 1/4"

KEYSTONE, 8831 (SNAP ON)

PARTS LIST

Summary of Contents for LTC3618EUF

Page 1: ...inear logo are registered trademarks of Linear Technology Corporation All other trademarks are the property of their respective owners PERFORMANCE SUMMARY phase between the two regulators and selecting external frequency synchronizing and forced continuous or pulse skipping modes of operation for the VDDQ regulator only Terminals are provided for connecting an input supply output loads and voltmet...

Page 2: ...oltage is equal to VDDQ 0 5 2 Additional VDDQ voltages can be selected using JP1 or JP3 7 Verify that the VTT output voltage is equal to the VTTR voltage 6mV Theerrorvoltagecanbereaddifferentially by placing the meter leads between the VTTR and VTT terminals 8 ToevaluatesourcingcurrentfromVDDQorVTToutputs connect a suitable 10W load in series with an ammeter between each output terminal and ground...

Page 3: ...R Rsourcing VTT ILOAD VIN VTT ILOAD Rsinking 10W Load Resistor VTTR Output VTT ON OFF VTT Power Good VDDQ Vout Select VDDQ ON OFF VDDQ Power Good VTT COMP VDDQ COMP Ext Sync Input PHASE Select Ext REF Input GND GND Tracking Input MODE Select VTT Output VIN GND GND VDDQ Output GND VDDQ Regulator 3A 1 VDDQ Output 600mV 1 3 Ref FB1 TRACK SS TRACK Input EXT REF Input VTTR 10mA VTT Regulator 3A JP13 SV...

Page 4: ...06MAT2A 8 0 COUT7 COUT8 OPT CAP 1210 9 1 CSS1 CAP X7R 0 01μF 50V 20 0603 AVX 06035C103MAT2A 10 1 CFILT CAP X7R 1μF 10V 20 0603 AVX 0603ZD105MAT2A 11 1 RFILT RES CHIP 24Ω 1 16W 5 0603 VISHAY CRCW060324R0JNEA 12 1 RITH1 RES CHIP 15 4k 1 16W 1 0805 VISHAY CRCW080515K4FKEA 13 1 RITH2 RES CHIP 10k 1 16W 1 0805 VISHAY CRCW080510K0FKEA 14 1 RTR1 RES CHIP 100k 1 16W 1 0603 VISHAY CRCW0603100KFKEA 15 2 RPG...

Page 5: ... 0F DUWK OYG 7 RQILGHQWLDO RU XVWRPHU 8VH 2QO 86720 5 127 1 5 7 12 2 6 0 67 257 72 6 1 5 8 7 7 7 0 76 86720 5 6833 63 7 216 2 9 5 7 5 0 16 7 86720 5 6 5 63216 7 72 9 5 3523 5 1 5 23 5 7 21 1 7 78 33 7 21 20321 17 68 67 787 21 1 35 17 5 8 7 2 5 287 0 6 1 17 7 5 8 7 3 5 250 1 25 5 7 217 7 1 5 7 12 2 33 7 216 1 1 5 1 25 66 67 1 7 6 5 8 7 6 35235 7 5 72 1 5 7 12 2 1 6 0 7 6833 25 86 7 1 5 7 12 2 3 576...

Page 6: ...DING 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 good...

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