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dc1780abfa

DEMO MANUAL DC1780A-B

 PARTS LIST

ITEM

QTY

REFERENCE

PART DESCRIPTION

MANUFACTURER/PART NUMBER

Required Circuit Components

1

12

CIN3, CIN4, CIN5, CIN6, CIN7, CIN8, CIN9, 
CIN10, CIN12, CIN13, CIN14, CIN15 

Cap., X5R 22μF 25V 10% 1210

Murata GRM32ER61226KE15 

2

6

COUT1, COUT7, COUT11, COUT15, COUT20, 
COUT26 

Cap., X5R 100μF 10V 20% 1210

Taiyo Yuden LMK325BJ107MN-T 

3

6

COUT4, COUT10, COUT12, COUT19, COUT23, 
COUT29 

Cap., POSCAP 470μF 4V 20% 7343

SANYO 4TPE470MCL 

4

1

R14 

Res., Chip 90.9k 0.06W 1% 0603

Vishay CRCW060390K9FKEA 

5

3

R9, R31, R43

Res., Chip 121k 0.06W 1% 0603

Vishay CRCW0603121KFKEA 

6

2

R1, R3

Res., Chip 10 0.06W 5% 0603

Vishay CRCW060310R0JNEA 

7

3

C4, C10, C18

Cap., X5R 2.2μF 10V 20% 0603

Taiyo Yuden LMK107BJ225MA 

8

1

C7 

Cap., X7R 0.1μF 25V 10% 0603

AVX 06033C104KAT2A 

9

3

U1, U2, U3 

I.C., Voltage Regulator 
LGA (144) 15mm × 15mm × 4.41mm

Linear Technology Corp. LTM4620EV 

Additional Demo Board Circuit Components

10

4

COUT5, COUT18, COUT24, COUT38

Cap., X5R 100μF 10V 20% 1210

Taiyo Yuden LMK325BJ107MN-T 

11

2

COUT6, COUT25

Cap., POSCAP 470μF 4V 20% 7343

SANYO 4TPE470MCL 

12

5

R2, R21, R39, R47, R51 

Res., Chip 121k 0.06W 1% 0603

Vishay CRCW0603121KFKEA 

13

2

R25, R29 

Res., Chip 10 0.06W 5% 0603

Vishay CRCW060310R0JNEA 

14

1

C22 

Cap., X5R 2.2μF 10V 20% 0603

Taiyo Yuden LMK107BJ225MA 

15

1

C25

Cap., X7R 0.1μF 25V 10% 0603

AVX 06033C104KAT2A 

16

1

CIN1 

Cap., Alum 150μF 25V 25% SUNCON-8

SUNCON 25CE150AX 

17

2

CIN2, CIN11 

Cap., X5R 1μF 25V 10% 1210

Taiyo Yuden TMK325BJ105KM 

18

0

COUT2, COUT3, COUT8, COUT9, COUT13, 
COUT14, COUT16, CIN16, COUT17, CIN17, 
CIN18, CIN19, COUT21, COUT22, COUT27, 
COUT28, COUT30, COUT32, COUT33, 
COUT34, COUT35, COUT36 (OPT)

Cap., 1210

19

0

COUT31, COUT37 (OPT)

Cap., “D” Case 7343

20

0

C1, C2, C3, C5, C8, C9, C12, C13, C14, C15, 
C16, C17, C20, C21, C26, C29, C30 (OPT)

Cap., 0603

21

6

C6, C11, C19, C23, C27, C28 

Cap., X7R 1μF 10V 10% 0603

Taiyo Yuden LMK107BJ105KA 

22

1

C24 

Cap., X7R 0.01μF 100V 10% 0603

AVX 06031C103KAT2A 

23

2

Q1, Q2 

Mosfet N-channel, 30V DPAK (TO-252)

Vishay Siliconix SUD50N03-09P 

24

4

R4, R36, R41, R54 

Res., Chip 10k 0.06W 5% 0603

Vishay CRCW060310K0JNEA 

25

0

R5, R7, R8, R10, R30, R37, R38, R42, R44, 
R48, R49, R50, R52, R53, R55, R61 (OPT)

Res., 0603

26

15

R6, R13, R19, R20, R27, R28, R32, R33, R34, 
R35, R40, R45, R46, R62, R63

Res/Jumper, Chip 0Ω 1/16W 1A 0603

Vishay CRCW06030000Z0EA 

27

1

R15

Res., Chip 60.4k 0.06W 1% 0603

Vishay CRCW060360K4FKEA 

28

1

R16 

Res., Chip 40.2k 0.06W 1% 0603

Vishay CRCW060340K2FKEA 

29

1

R17 

Res., Chip 30.1k 0.06W 1% 0603

Vishay CRCW060330K1FKEA 

30

1

R18 

Res., Chip 19.1k 0.06W 1% 0603

Vishay CRCW060319K1FKEA 

31

4

R22, R23, R24, R26 

Res., 0Ω 2010

TEPRO (NAKOMA) RNH6083 

32

2

R56, R57 

Res., 0.010 2W 1% 2512

Vishay WSL-2512-R01000-F-EA 

Содержание DC1498A

Страница 1: ...to an external clock signal The board allows the user to program how its output voltage ramps up and down through the TRACK_CONTROL pin The output voltage is tightly regulated between VOUT and VOUT through remote output voltage sensing which improves output voltage regulation at heavy loads These featuresandtheavailabilityoftheLTM4620EVinacompact 15mm 15mm 4 41mm LGA package make it ideal for use ...

Страница 2: ...OSTEP CLK and GND testpoint Thepulseamplitude 3Vto3 5V setstheload stepcurrentamplitude Theoutputtransientcurrentcan 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 LTM4620canbesynchronizedtoanexternal clock signal Place the JP1 jumper on EXT_CLK and apply a clock signal 0V to 5V squ...

Страница 3: ...n track another supply The output voltage tracks the voltage on TRACK_CONTROL when a valid signal is applied on the test point 8 Optional DC1780A B can be configured to a dual outputs configuration with VOUT at 62A load current and VOUT2 at 13A load current Stuff 0Ω resistor on R61 and 0 1μF on C14 Remove R22 R23 R24 R26 R27 R28 R32 R33 R35 Output voltage VOUT2 is set by R37 based on the equation ...

Страница 4: ...th Standard Demo Circuit Default Setup LOAD CURRENT A 0 EFFICIENCY 100 90 80 70 60 40 10 DC1780A B F03 50 60 70 30 20 VIN 5V VOUT 2 5V VIN 5V VOUT 1 8V VIN 5V VOUT 1 5V VIN 5V VOUT 1 2V VIN 5V VOUT 1V LOAD CURRENT A 0 EFFICIENCY 100 90 80 70 60 40 10 DC1780A B F04 50 60 70 30 20 VIN 12V VOUT 2 5V VIN 12V VOUT 1 8V VIN 12V VOUT 1 5V VIN 12V VOUT 1 2V VIN 12V VOUT 1V DC1780A B F05 1V OUTPUT 20MHz BW...

Страница 5: ...B Figure 7 Thermal Capture at 12VIN 1 0VOUT at 75A Ambient Temperature 23 3 C No Airflow and No Heat Sink Figure 8 Thermal Capture at 12VIN 1 0VOUT at 75A Ambient Temperature 23 3 C 200LFM Airflow and No Heat Sink QUICK START PROCEDURE ...

Страница 6: ...NEA 14 1 C22 Cap X5R 2 2μF 10V 20 0603 Taiyo Yuden LMK107BJ225MA 15 1 C25 Cap X7R 0 1μF 25V 10 0603 AVX 06033C104KAT2A 16 1 CIN1 Cap Alum 150μF 25V 25 SUNCON 8 SUNCON 25CE150AX 17 2 CIN2 CIN11 Cap X5R 1μF 25V 10 1210 Taiyo Yuden TMK325BJ105KM 18 0 COUT2 COUT3 COUT8 COUT9 COUT13 COUT14 COUT16 CIN16 COUT17 CIN17 CIN18 CIN19 COUT21 COUT22 COUT27 COUT28 COUT30 COUT32 COUT33 COUT34 COUT35 COUT36 OPT Ca...

Страница 7: ...11 E1 E2 E3 E4 E6 E7 E8 E9 E12 E13 E22 Turret Testpoint Mill Max 2308 2 00 80 00 00 07 0 38 0 E5 E10 E11 E14 E15 E16 E17 E18 Opt Testpoint 39 2 E19 E20 Turret Testpoint Mill Max 2501 2 00 80 00 00 07 0 40 2 JP1 JP2 Headers 3 Pins 2mm Ctrs Samtec TMM 103 02 L S 41 5 JP4 JP5 JP6 JP7 JP8 Jumper 2 Pins 2mm Ctrs Samtec TMM 102 02 L S 42 6 J1 J2 J3 J4 J5 J6 Stud Test Pin PEM KFH 032 10 43 12 NUT BRASS N...

Страница 8: ...IC SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS SCALE NONE www linear com 1 02 5 8 7 0RQGD HFHPEHU 1 4 1 32 3 6 1 70 9 5 JEFF Z 67 3 2 1 32 5 02 8 5 8 725 ͰW WZK d ͰϭϳϴϬ Ͱ ͰϭϳϴϬ Ͳ ͰϭϳϴϬ Ͳ ͺϬϬͺZ sϭ E COUT7 100uF 10V 1210 COUT7 100uF 10V 1210 E9 TRACK_CONTROL E9 TRACK_CONTROL R16 40 2K 1 R16 40 2K 1 E8 EXTVCC E8 EXTVCC JP8 2 5V JP8 2 5V CIN5 22uF 25V 1210 CIN5 22uF 25V 1210 JP2 ON OFF RUN JP2 ON OF...

Страница 9: ...ING FOR ASSISTANCE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SCHEMATIC SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS SCALE NONE www linear com 1 02 5 8 7 0RQGD HFHPEHU 2 4 1 32 3 6 1 70 9 5 JEFF Z 67 3 2 1 32 5 02 8 5 8 725 ͰW WZK d ͰϭϳϴϬ Ͱ ͰϭϳϴϬ Ͳ ͰϭϳϴϬ Ͳ ͺϬϬͺZ sϭ E R29 10 R29 10 C11 1uF 10V C11 1uF 10V R23 0 Ohm 2010 R23 0 Ohm 2010 R38 OPT R38 OPT R19 0 Ohm R19 0 Ohm C8 OPT C8 OPT U2 ...

Страница 10: ...CTUAL 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 1 02 5 8 7 0RQGD HFHPEHU 3 4 1 32 3 6 1 70 9 5 JEFF Z 67 3 2 1 32...

Страница 11: ...LICATION 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 1 02 5 8 7 0RQGD HFHPEHU 4 4 1 32 3 6 1 70 9 5 JEFF Z 67 3 2 1 32 5 02 8 5...

Страница 12: ... 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 th...

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