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35

dc1540bf

DEMO MANUAL DC1540B

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 representation 

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

SCHEMATIC DIAGRAM

5

5

4

4

3

3

2

2

1

1

D

D

C

C

B

B

A

A

+12V

SNS_7+

3.3V_PU

VOUT_7

INTVCC_7

SNS_7-

SNS_7+

SNS_7-

3.3V_PU

3.3V_PU

VOUT_EN7

VDACP7

VDACM7

VSENSEP7

VSENSEM7

CLK_PHASE_2

SIZE

SCALE:

CAGE CODE

DWG NO

REV

SHEET

OF

FILENAME:

TITLE

CONTRACT NO.

APPROVALS

DATE

DRAWN

CHECKED

APPROVED

ENGINEER

DESIGNER

TECHNOLOGY

1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507

THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

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 CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY.  CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.

CUSTOMER NOTICE

B

DC1361B

Tuesday, September 17, 2013

10

10

Dave Clemans

08-13-13

Dave Clemans

08-13-13

8 OUTPUT POWER SUPPLY

SIZE

SCALE:

CAGE CODE

DWG NO

REV

SHEET

OF

FILENAME:

TITLE

CONTRACT NO.

APPROVALS

DATE

DRAWN

CHECKED

APPROVED

ENGINEER

DESIGNER

TECHNOLOGY

1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507

THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

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 CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY.  CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.

CUSTOMER NOTICE

B

DC1361B

Tuesday, September 17, 2013

10

10

Dave Clemans

08-13-13

Dave Clemans

08-13-13

8 OUTPUT POWER SUPPLY

SIZE

SCALE:

CAGE CODE

DWG NO

REV

SHEET

OF

FILENAME:

TITLE

CONTRACT NO.

APPROVALS

DATE

DRAWN

CHECKED

APPROVED

ENGINEER

DESIGNER

TECHNOLOGY

1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507

THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

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 CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY.  CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.

CUSTOMER NOTICE

B

DC1361B

Tuesday, September 17, 2013

10

10

Dave Clemans

08-13-13

Dave Clemans

08-13-13

8 OUTPUT POWER SUPPLY

OPT.

CONNECT SIGNAL GND PLANE TO PAD H12 AT ONE POINT

PRELOAD

NOMINAL VOUT

1.4uA UP TO.48V

VFB = 0.6V

VDAC INJECTS THE CONTROL VOLTAGE FROM THE  LTC2977 INTO THE FEEDBACK DIVIDER OF THE  LTM4603 TO TRIM AND MARGIN VOUT

VOUT_7

REMOVE R89 TO CURRENT SENSE  CHANNEL 6

NOTE:  THE "ZERO" OHM RESISTORS IN VDACn LINE AND BETWEEN PGND AND SGND ARE NOT COMPONENTS.  THEY ARE TRACES ON THE PCB.

1%

1%

REMOVE R88 TO CURRENT SENSE  CHANNEL 6

POWER GOOD

Trise = APPROX. 3.8mS

TO SENSE CURRENT ON VOUT_6 USING  CHANNEL 7, INSTALL R86 AND R87 ON SHEET 9 AND REMOVE R88 AND R89  ON SHEET 10.

(TAU = 2.2mS)

3A MAX

0.8V

E49

-SNS

E49

-SNS

R94

10K

R94

10K

R62

10K

R62

10K

R88

0

R88

0

E21

GND

E21

GND

R102

ZERO

R102

ZERO

R89

0

R89

0

R82

1

R82

1

D9

GREEN

D9

GREEN

CIN29 10uF 35V

CIN29 10uF 35V

R79

182K

1%

R79

182K

1%

CSS12

0.01uF

CSS12

0.01uF

COUT26 10uF 10V

COUT26 10uF 10V

R93 200

R93 200

C26

100pF

C26

100pF

E50

+SNS

E50

+SNS

R81 20 1W

R81 20 1W

U17 LTM4603EV

U17

U17 LTM4603EV

U17

SGND

H12

DRVCC

E12

FSET

B12

VO_LCL

L12

COMP

A11

VFB

F12

PGOOD

G12

RUN

A10

TRACK/SS

A9

PLLIN

A8

INTVCC

A7

VOSNS+

J12

VOSNS-

M12

DIFF_VOUT

K12

MPGM

A12

MARG0

C12

MARG1

D12

VIN

A1

VIN

A2

VIN

A3

VIN

A4

VIN

A5

VIN

A6

VIN

B1

VIN

B2

VIN

B3

VIN

B4

VIN

B5

VIN

B6

VIN

C1

VIN

C2

VIN

C3

VIN

C4

VIN

C5

VIN

C6

VOUT

J1

VOUT

J2

VOUT

J3

VOUT

J4

VOUT

J5

VOUT

J6

VOUT

J7

VOUT

J8

VOUT

J9

VOUT

J10

VOUT

K1

VOUT

K2

VOUT

K3

VOUT

K4

VOUT

K5

VOUT

K6

VOUT

K7

VOUT

K8

VOUT

K9

VOUT

K10

VOUT

K11

VOUT

L1

VOUT

L2

VOUT

L3

VOUT

L4

VOUT

L5

VOUT

L6

VOUT

L7

VOUT

L8

VOUT

L9

VOUT

L10

VOUT

L11

VOUT

M1

VOUT

M2

VOUT

M3

VOUT

M4

VOUT

M5

VOUT

M6

VOUT

M7

VOUT

M8

VOUT

M9

VOUT

M10

VOUT

M11

PGND

D1

PGND

D2

PGND

D3

PGND

D4

PGND

D5

PGND

D6

PGND

E1

PGND

E2

PGND

E3

PGND

E4

PGND

E5

PGND

E6

PGND

E7

PGND

F1

PGND

F2

PGND

F3

PGND

F4

PGND

F5

PGND

F6

PGND

F7

PGND

F8

PGND

F9

PGND

G1

PGND

G2

PGND

G3

PGND

G4

PGND

G5

PGND

G6

PGND

G7

PGND

G8

PGND

G9

PGND

H1

PGND

H2

PGND

H3

PGND

H4

PGND

H5

PGND

H6

PGND

H7

PGND

H8

PGND

H9

COUT25 100uF 6.3V

COUT25 100uF 6.3V

R78

10K

R78

10K

C7

1nF

C7

1nF

R110

ZERO

R110

ZERO

R83

1

R83

1

Q9 2N7002

Q9 2N7002

E20

0.8V

E20

0.8V

R80

287K

R80

287K

CIN28 10uF 35V

CIN28 10uF 35V

Summary of Contents for DC1613A

Page 1: ...ntheDC1361BenablestheLTC2977to soft start VIN and shut off VIN in response to output faults Multiple DC1540Bs can be cascaded together to form a high channel count power supply see Multi Board Arrays...

Page 2: ...ion 0 to 6V High resolution 0 to 3 8V VSENSEM n 0 1 to 0 1V Voltage Supervisor Sensing Resolution 0V to 3 8V range 4 096 1024 4mV LSB 0V to 6V range 8 192 1024 8mV LSB Voltage Supervisor Total Unadjus...

Page 3: ...powerplay Complete instructions are located there What Can You Do With This Demo System Prototype your system You can change the nominal VOUT s of the modules to match your system You can also change...

Page 4: ...NTROL1 to GND b Set JP5 to OFF c Make sure JP6 is installed d Set JP3 ASEL0 to LO and JP2 ASEL1 to LO e Set JP4 to ON 4 On DC1361B set jumpers and switches as follows See also Table 3 a JP1 INSTALLED...

Page 5: ...5 dc1540bf DEMO MANUAL DC1540B QUICK START PROCEDURE Figure 3 DC1427A Connection Figure 4 DC1613 Connection...

Page 6: ...s in the lower left hand corner c In the Toolbar click the R icon to read the RAM from the LTC2977 This reads the default configuration from the RAM in the LTC2977 on the DC1360B and loads it into the...

Page 7: ...than one LTC2977 use the ASELs to assign different addresses for each LTC2977 2 On DC1361B set the MASTER SLAVE switch to MASTER if you want the Hot Swap chip to shut off in response to an output OV f...

Page 8: ...8 dc1540bf DEMO MANUAL DC1540B DC1540B DETAILS DC1360B DC1361B Figure 5 DC1540B Details...

Page 9: ...DC1360B DETAILS TOP SIDE Figure 6 DC1360B Top Side Table 3 DC1360B Default Jumper Configuration Use ASEL s to Select I2C Address JP2 ASEL1 JP3 ASEL0 JP4 Write Protect JP5 LTC2977 Write Protect JP6 Sh...

Page 10: ...D Allows Faults to Propagate Between Boards R21 R22 R23 R25 R26 R27 R28 R30 R31 R32 R33 FAULT 1 to FAULT 4 Connect any FAULTB Pin to any of Fault Line FAULT 1 2 3 4 OPEN Allows Faults to Propagate Bet...

Page 11: ...1 X X Global 5B B6 1 0 1 1 0 1 1 0 X X 0 5C B8 1 0 1 1 1 0 0 0 L L 1 5D BA 1 0 1 1 1 0 1 0 L NC 2 5E BC 1 0 1 1 1 1 0 0 L H 3 5F BE 1 0 1 1 1 1 1 0 NC L 4 60 C0 1 1 0 0 0 0 0 0 NC NC 5 61 C2 1 1 0 0...

Page 12: ...their turn on ramp determined by their soft start caps Their sequence position is determined by the LTC2977 InTRACK_VOUT_0position theycoincidenttrack to VOUT_0 TON_DELAY for all tracking channels mus...

Page 13: ...ged by changing the RSET resistor from VFB to SGND These are R21 R26 R29 R38 R48 R67 R73 R79 See Figure 9 The value for the RSET resistor is RSET 60 4k VOUT 0 6 1 See also the LTM4603 datasheet Table...

Page 14: ...refers to R20 This is the upper divider resistor which is 60 4k inside the LTM4603 The design tool refers to R10 This is the lower divider resistor which is RSET See Figure 9 The design tool refers to...

Page 15: ...tor R75 top side on DC1361B schematic p 9 to measure only the current going out of the board OnesimplecheckboxintheGUIsetsupChannel7tomea surecurrent IntheMFR_CONFIG_LTC2977registercheck the box that...

Page 16: ...een LED indicates the status of the PWRGD signal DC1361B Remote Sense Remote sense Test Points are included for channels 1 7 There is no remote sense for Channel 0 Faulting an Output Use a jumper wire...

Page 17: ...atasheet See Figure below Zone 0 and 1 are tied together on the DC1360B through R9 Therefore any channel can shut off in response to any other channel on the LTC2977 Additionally each FAULTBz pin ties...

Page 18: ...the first Master board Remove JP1 jumpers from all others Slaves 4 Plug DC1360B s together J3 to J2 5 Set the Master Slave switch on the first DC1361B in the array to Master Set other boards to Slave...

Page 19: ...1 10W 1 0603 SMD VISHAY CRCW0603100RFKEA 19 14 R17 R20 R21 R22 R23 R25 R26 R27 R28 R30 R31 R32 R33 R65 OPT RES 0 0 1 8W 5 0805 SMD VISHAY CRCW08050000Z0EA 20 7 R19 R24 R29 R34 R72 R73 R74 RES 0 0 1 8...

Page 20: ...T OF TITLE CONTRACT NO APPROVALS DRAWN CHECKED APPROVED ENGINEER DESIGNER TECHNOLOGY Fax 408 434 0507 Milpitas CA 95035 Phone 408 432 1900 1630 McCarthy Blvd LTC Confidential For Customer Use Only CUS...

Page 21: ...R SYSTEM MANAGER SIZE DATE DWG NO REV SHEET OF TITLE CONTRACT NO APPROVALS DRAWN CHECKED APPROVED ENGINEER DESIGNER TECHNOLOGY Fax 408 434 0507 Milpitas CA 95035 Phone 408 432 1900 1630 McCarthy Blvd...

Page 22: ...as 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 SPECI...

Page 23: ...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...

Page 24: ...SHAY Si4894BDY 16 8 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 MOSFET N CH 60V 300MA SOT 23 VISHAY 2N7002K T1 E3 17 8 R10 R23 R31 R42 R44 R53 R90 R93 RES 200 1 10W 5 0603 SMD YAGEO RC0603JR 07200RL 18 1 R11 RES 59 0k 1...

Page 25: ...UIT LINEAR TECH LTC6902IMS 54 1 U10 IC CIRCUIT LINEAR TECH LTC4210 1CS6 55 1 U14 IC HEX SCHMITT TRIG INV 14TSSOP TEXAS INST SN74AHC14PWR 56 1 U18 IC CIRCUIT LINEAR TECH LT1761ES5 3 3 Hardware For Demo...

Page 26: ...R IT REMAINS THE CUSTOMER S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION COMPONENT SUBSTITUTION AND PRINTED CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PER...

Page 27: ...y Blvd Milpitas CA 95035 Phone 408 432 1900 Fax 408 434 0507 THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS LINEAR TECHNOLOGY HAS MADE A BEST EFFORT...

Page 28: ...OLOGY 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 APPL...

Page 29: ...GN 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 P...

Page 30: ...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 CIRUI...

Page 31: ...EAR 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 AC...

Page 32: ...EAR 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 AC...

Page 33: ...R 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 ACTU...

Page 34: ...T REMAINS THE CUSTOMER S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION COMPONENT SUBSTITUTION AND PRINTED CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFOR...

Page 35: ...SE WITH LINEAR TECHNOLOGY PARTS 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 PROP...

Page 36: ...ING 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 CONSE...

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