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8

DEMO MANUAL DC2745A

Rev. 0

PARTS LIST

ITEM

QTY REFERENCE

PART DESCRIPTION

MANUFACTURER/PART NUMBER

Required Circuit Components

1

1

C1

CAP., 0.01µF, X7R, 10V, 10%, 0201

MURATA, GRM033R70J103KA01D

2

2

C2, C3

CAP., 10µF, X7S, 6.3V, 20%, 0603

TDK, C1608X7S0J106M080AC

3

2

C4, C5

CAP., 47µF, X6S, 6.3V, 20%, 0805

TAIYO YUDEN, JMK212BC6476MG-T

4

1

C6

CAP., 6.8pF, C0G/NP0, 50V, ±0.5pF, 0402

AVX, 04025A6R8DAT2A

5

2

C15, C16

CAP., 1µF, X7T, 6.3V, 20%, 0201

MURATA, GRM033D70J105ME01D

6

1

L1

IND., 0.22µH, PWR, SHIELDED, 20%, 8A, 13mΩ, 

2.5mmx2.0mm, SMD

XFMRS, INC., XFHCL43LT-R22M

7

1

R1

RES., 140k, 1%, 1/16W, 0402, AEC-Q200

VISHAY, CRCW0402140KFKED

8

1

R2

RES., 100k, 1%, 1/16W, 0402, AEC-Q200

VISHAY, CRCW0402100KFKED

9

1

U1

IC, 6A LOW VOLTAGE MONOLITHIC SYNC, LQFN-12(2x2)

LINEAR TECH., LTC3309AEV#PBF

Additional Demo Board Circuit Components

1

2

C7, C8

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

PANASONIC, 6TPE330ML

2

1

C9

CAP., 0.1µF, X7R, 25V, 10%, 0402, AEC-Q200

MURATA, GCM155R71E104KE02D

3

2

C10, C11

CAP., 10µF, X7S, 6.3V, 20%, 0603

TDK, C1608X7S0J106M080AC

4

2

C13, C14

CAP., 1µF, X7T, 6.3V, 20%, 0201

MURATA, GRM033D70J105ME01D

5

1

L2

IND., 100Ω @ 100MHz, FERRITE BEAD, 25%, 8A, 6mΩ, 

1812

WURTH ELEKTRONIK, 74279226101

6

1

Q1

XSTR., MOSFET, N-CH, 40V, 30A, PPAK SO-8

VISHAY, SIR426DP-T1-GE3

7

1

R3

RES., 20Ω, 1%, 1/16W, 0402, AEC-Q200

VISHAY, CRCW040220R0FKED

8

1

R5

RES., 10k, 5%, 1/16W, 0402, AEC-Q200

VISHAY, CRCW040210K0JNED

9

1

R6

RES., 1M, 1%, 1/16W, 0402, AEC-Q200

VISHAY, CRCW04021M00FKED

10

1

R7

RES., 249k, 1%, 1/16W, 0402, AEC-Q200

VISHAY, CRCW0402249KFKED

11

1

R8

RES., 100k, 5%, 1/16W, 0402

YAGEO, RC0402JR-07100KL

12

1

R9

RES., 0Ω, 1/16W, 0402

VISHAY, CRCW04020000Z0ED

13

1

R10

RES., 10k, 5%, 1/10W, 0402, AEC-Q200

PANASONIC, ERJ2GEJ103X

14

1

R11

RES., 0.1Ω, 1%, 2W, 2512, SENSE, AEC-Q200

IRC, LRC-LR2512LF-01-R100-F

Hardware: For Demo Board Only

1

10

E1-E3, E5, E12, E14-E16, E19, E21 TEST POINT, TURRET, 0.064" MTG. HOLE, PCB 0.062" THICK 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" THICK 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, STR, THT

WURTH ELEKTRONIK, 62000411121

5

1

JP2

CONN., HDR, MALE, 1x3, 2mm, VERT, STR, THT

WURTH ELEKTRONIK, 62000311121

6

4

MP1-MP4

STANDOFF, NYLON, SNAP-ON, 0.50"

WURTH ELEKTRONIK, 702935000

7

0

TP1, TP3

CONN., U.FL, RECEPT, ST SMD, 0Hz to 6GHz 50Ω

HIROSE ELECTRIC, U.FL-R-SMT-1(10)

8

2

XJP1, XJP2

CONN., SHUNT, FEMALE, 2 POS, 2mm

WURTH ELEKTRONIK, 60800213421

Содержание DC2745A

Страница 1: ...registered trademarks and trademarks are the property of their respective owners PERFORMANCE SUMMARY The DC2745A also has an EMI filter to reduce conducted EMI This EMI filter can be included by apply...

Страница 2: ...FB AGND PGOOD LTC3309A 1 F 0201 MODE SYNC RT fOSC 2MHz High Efficiency 2MHz 1 2V 6A Step Down Converter LTC3309A 3 3V to 1 2V Efficiency and Powerloss DC2745A in Burst Mode VIN 3 3V VOUT 1 2V fSW 2MH...

Страница 3: ...0 1000 400 800 200 600 100 HORIZONTAL POLARIZATION PEAK DETECTOR PEAK LIMIT PEAK DC2629A DEMO BOARD WITH EMI FILTER INSTALLED 3 3V INPUT TO 1 2V OUTPUT AT 4 8A fSW 2MHz FREQUENCY MHz AMPLITUDE dB V m...

Страница 4: ...rminal 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 Observ...

Страница 5: ...5 DEMO MANUAL DC2745A Rev 0 QUICK START PROCEDURE Figure 1 Test Setup for the DC2745A Demo Board...

Страница 6: ...8 Q1 SIR426DP T1 GE3 R10 10k 5 R11 0 1k 2W 2512 SG_INPUT 20V MAX E19 E20 RSNS DC2745A F03 TP2 ISTEP Figure 3 Optional Transient Response Circuit Figure 2 Technique for Measuring Output Ripple and Step...

Страница 7: ...ation Accurately Measuring Output Ripple of the LTC3309A With the fast edge rates of the circuit high frequency noise can be observed when measuring the output volt age with 1M terminated oscilloscope...

Страница 8: ...WURTH ELEKTRONIK 74279226101 6 1 Q1 XSTR MOSFET N CH 40V 30A PPAK SO 8 VISHAY SIR426DP T1 GE3 7 1 R3 RES 20 1 1 16W 0402 AEC Q200 VISHAY CRCW040220R0FKED 8 1 R5 RES 10k 5 1 16W 0402 AEC Q200 VISHAY C...

Страница 9: ...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...

Страница 10: ...isclose 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 prompt...

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