Linear LTC7860 Demo Manual Download Page 7

7

dc2392af

DEMO MANUAL DC2392A

schematic Diagram

5

5

4

4

3

3

2

2

1

1

D

D

C

C

B

B

A

A

100V

3W

16

V

50

V

50

V

10A

XA

L1010-

10

3

100V

10A

ou

t, 

Li

m

ited

 at 

34V

8x12

100V

10X

10

50

V

DC2

39

2A

GN

D

GN

D

VIN

1

VOUT

7V - 100V

100SXV15M

50

CE

15

0A

X

50

V

8X12

SW

VIN

1

GN

D

GN

D

100V

1210

VOUT

CAUTION, SHOCK HAZARD: CONTACT 

WITH 

HIGH 

VOLTAGE

Feed

back N

otes

V-l

imi

t = ( R

24 + R

26 ) /

 R

26 *

 ( 0.

8V /

 R

19 *

 R

25  + Q6Vb

e )

            = 2 *

 ( 0.

8 /

 10K

 * 

205K

 + 

0.

) = 

34.

0Vn

omi

nal

CA

RE

SU

LT 

IN

 A

 D

AN

GE

RO

US

 E

LE

CT

RI

C S

HO

CK

.

NOT

E:

 UNL

ESS OT

HERWISE SPECIF

IED:

ALL 

RE

SI

ST

ORS

 ARE

 0603.

ALL 

CAP

ACITORS

 ARE

 0603 

50V

.

7.

0V

-32.0V

100

V

10

0V

, 5

00

m

s

NOMINAL 

INPUT

INPUT DC 

SURVIVAL

INPUT OPERATING RANGE

28V

SURGE RIDE-THROUGH

OUTPUT VOLTAGE LIMIT

34.0

V

150uF 50V Suncon 50CE150AX (10x10mm) 15u

100V Pan

aso

ni

c 100SXV15M (

8x12m

m

)

2.2uF 100V M

urat

GC

J32D

R72A

225K

A01L

10uF 50V M

urat

a GC

M

32EC

71H

106K

A01L

22uF 10V M

urat

a GC

M

31C

R71A

226K

E01L

10uH

 C

oilcraf

t XA

L1010-

103M

E

0.006 Susumu 

KR

L6432E-

M

-R

006-

F-

T1

CAP

FREQ

FREQ

VIN

VOUT

VIN

VIN-10V

VIN-10V

VIN-10V

VIN-10V

VIN-10V

VIN-10V

VIN-10V

VIN-10V

VFB

Q6C

CAP

RE

VI

SI

ON

 H

IS

TO

RY

DESCRIPTIO

N

DATE

AP

PR

OV

ED

ECO

RE

V

    DB

PRODUCTION

2

09-29-15

__

RE

VI

SI

ON

 H

IS

TO

RY

DESCRIPTIO

N

DATE

AP

PR

OV

ED

ECO

RE

V

    DB

PRODUCTION

2

09-29-15

__

RE

VI

SI

ON

 H

IS

TO

RY

DESCRIPTIO

N

DATE

AP

PR

OV

ED

ECO

RE

V

    DB

PRODUCTION

2

09-29-15

__

SIZ

E

DA

TE

:

IC NO.

REV.

SH

EE

T

OF

TI

TL

E:

APPROVALS

PCB DES.

AP

P E

NG

.

TE

C

H

N

OL

OGY

Fax: (408)434-0507

Milpita

s, CA 

95

035

Phone: 

(408)432-1900

1630 McC

arth

y B

lvd

.

LT

C C

onf

id

en

tia

l-F

or 

Cus

to

m

er

 U

se

 O

nl

y

CUSTOMER NOTICE

LI

NEAR 

TE

CHNOL

OGY 

HAS 

MADE 

BEST

 EF

FO

RT

 T

DESIGN 

A

CIRCUIT

 T

HAT

 MEET

S CUST

OMER-SUPPL

IED SPECIF

ICAT

IONS;

HOWEVER, IT REM

AINS THE CUS

TOM

ER'S

 RESPONSIB

ILITY TO

VERI

FY 

PROPER AND RELI

ABLE OPERATI

ON I

N THE ACTUAL

APPLI

CATI

ON.

  COM

PONENT SUBSTI

TUTI

ON AND PRI

NTED

CI

RCUI

BOARD 

LAYOUT 

MA

SI

GNI

FI

CANTLY 

AFFECT 

CI

RCUI

T

PERFORM

ANCE OR RELI

ABI

LI

TY.

  CONTACT LI

NEAR

TECHNOLOGY APPLI

CATI

ONS ENGI

NEERI

NG FOR ASSI

STANCE.

THIS 

CIRCUIT

 IS PROPRIET

ARY T

O L

INEAR T

ECHNOL

OGY AND

SCHE

M

AT

IC

SUPPLI

ED FOR USE WI

TH LI

NEAR TECHNOLOGY PARTS.

SCAL

E = NONE

www.line

ar

.c

om

2

Tuesday, November 17, 2015

12

HIGH VOLTAGE SWITCHING SURGE STOPPER

LT

   DB

N/A

LTC7860EMSE

SIZ

E

DA

TE

:

IC NO.

REV.

SH

EE

T

OF

TI

TL

E:

APPROVALS

PCB DES.

AP

P E

NG

.

TE

C

H

N

OL

OGY

Fax: (408)434-0507

Milpita

s, CA 

95

035

Phone: 

(408)432-1900

1630 McC

arth

y B

lvd

.

LT

C C

onf

id

en

tia

l-F

or 

Cus

to

m

er

 U

se

 O

nl

y

CUSTOMER NOTICE

LI

NEAR 

TE

CHNOL

OGY 

HAS 

MADE 

BEST

 EF

FO

RT

 T

DESIGN 

A

CIRCUIT

 T

HAT

 MEET

S CUST

OMER-SUPPL

IED SPECIF

ICAT

IONS;

HOWEVER, IT REM

AINS THE CUS

TOM

ER'S

 RESPONSIB

ILITY TO

VERI

FY 

PROPER AND RELI

ABLE OPERATI

ON I

N THE ACTUAL

APPLI

CATI

ON.

  COM

PONENT SUBSTI

TUTI

ON AND PRI

NTED

CI

RCUI

BOARD 

LAYOUT 

MA

SI

GNI

FI

CANTLY 

AFFECT 

CI

RCUI

T

PERFORM

ANCE OR RELI

ABI

LI

TY.

  CONTACT LI

NEAR

TECHNOLOGY APPLI

CATI

ONS ENGI

NEERI

NG FOR ASSI

STANCE.

THIS 

CIRCUIT

 IS PROPRIET

ARY T

O L

INEAR T

ECHNOL

OGY AND

SCHE

M

AT

IC

SUPPLI

ED FOR USE WI

TH LI

NEAR TECHNOLOGY PARTS.

SCAL

E = NONE

www.line

ar

.c

om

2

Tuesday, November 17, 2015

12

HIGH VOLTAGE SWITCHING SURGE STOPPER

LT

   DB

N/A

LTC7860EMSE

SIZ

E

DA

TE

:

IC NO.

REV.

SH

EE

T

OF

TI

TL

E:

APPROVALS

PCB DES.

AP

P E

NG

.

TE

C

H

N

OL

OGY

Fax: (408)434-0507

Milpita

s, CA 

95

035

Phone: 

(408)432-1900

1630 McC

arth

y B

lvd

.

LT

C C

onf

id

en

tia

l-F

or 

Cus

to

m

er

 U

se

 O

nl

y

CUSTOMER NOTICE

LI

NEAR 

TE

CHNOL

OGY 

HAS 

MADE 

BEST

 EF

FO

RT

 T

DESIGN 

A

CIRCUIT

 T

HAT

 MEET

S CUST

OMER-SUPPL

IED SPECIF

ICAT

IONS;

HOWEVER, IT REM

AINS THE CUS

TOM

ER'S

 RESPONSIB

ILITY TO

VERI

FY 

PROPER AND RELI

ABLE OPERATI

ON I

N THE ACTUAL

APPLI

CATI

ON.

  COM

PONENT SUBSTI

TUTI

ON AND PRI

NTED

CI

RCUI

BOARD 

LAYOUT 

MA

SI

GNI

FI

CANTLY 

AFFECT 

CI

RCUI

T

PERFORM

ANCE OR RELI

ABI

LI

TY.

  CONTACT LI

NEAR

TECHNOLOGY APPLI

CATI

ONS ENGI

NEERI

NG FOR ASSI

STANCE.

THIS 

CIRCUIT

 IS PROPRIET

ARY T

O L

INEAR T

ECHNOL

OGY AND

SCHE

M

AT

IC

SUPPLI

ED FOR USE WI

TH LI

NEAR TECHNOLOGY PARTS.

SCAL

E = NONE

www.line

ar

.c

om

2

Tuesday, November 17, 2015

12

HIGH VOLTAGE SWITCHING SURGE STOPPER

LT

   DB

N/A

LTC7860EMSE

R17 10K

R13 100K

0805

R25 205K

R28

OPT

R12 OPT

0805

Q3

ZXGD3005E6TA

2

3

1

6 4

5

COUT3

U1

LTC7860EMSE

VFB

5

SS

4

SGND

3

FREQ

2

TMR

1

13

PGN

D

SENSE

10

CAP

9

RUN

8

VFBN

7

ITH

6

VIN

11

GATE

12

R18 OPT

R19 10K

R8

100

R5 35.7K

D2 OPT

C7 OPT

C17 3.3nF

J5

J1

C15 47pF

+

CIN1 15uF

COUT2

J4

C10

22uF

1206

C9 1uF

0805

E4

C11

100pF

R6

100

R10

OPT

E5

D8

SMMDL914

Q4 SUM90P10-19L

D1

SZMMSZ5242B

+

C1 OPT

C16 OPT

R3 100K

0805

Q6 SMMBTA42L

C12

0.1uF

D7 NRVTS10100MFST

CIN4 2.2uF

1210

D6 OPT

D5 OPT

+

COUT4 150uF

E3

COUT1 10uF

Q2 SFT1345

CIN5

2.2uF

1210

CIN3

2.2uF

1210

C18 1.5nF

R11

0

R24 31.6K

R14

0

L1 10uH

C13

0.47uF

J3

R16 10

0805

C8 OPT

1210

CIN2 2.2uF

1210

D3 OPT

R7 6m

1225

R26 31.6K

C14 0.1uF

0805

R21 0

E6

E1

R20

OPT

R9

1K

R15

OPT

Summary of Contents for LTC7860

Page 1: ...ce Summary voltageacrossthecurrentsenseresistorandregulatesthe maximum output current to protect against overcurrent faults AnadjustabletimerlimitsthetimethattheLTC7860 can spend in overvoltage or ove...

Page 2: ...the proper output voltage of 10V Turn off the power at the input 5 Oncetheproperoutputvoltageisestablished connect a variable load capable of sinking 10A at 34V to the output terminals VOUT and VOUT S...

Page 3: ...3 dc2392af DEMO MANUAL DC2392A Quick Start Procedure Figure 1 Proper Measurement Equipment Setup...

Page 4: ...2 100V 0V VIN 6 84 86 88 90 EFFICIENCY POWER DISSIPATION W 92 94 100 98 96 0 5 10 15 20 25 40 35 30 10 100 DC2392A F03 5AOUT 10AOUT 10AOUT PD Figure 2 Output Response Waveform with 28V to 100V to 28V...

Page 5: ...DIODE 100V 10A DFN5 SO 8FL ON SEMI NRVTS10100MFST1G 16 1 D8 SWITCH DIODE SOD323 ON SEMI SMMDL914T1G 17 1 L1 INDUCTOR 10 H COILCRAFT XAL1010 103ME 18 2 Q1 Q4 FET P CHAN 100V TO 263 VISHAY SUM90P10 19L...

Page 6: ...R21 RES 0 1 16W 0603 VISHAY CRCW06030000Z0EA 13 1 R4 RES 1m 1 1W 2512 PANASONIC ERJ M1WTF1M0U 14 0 R12 RES OPT 0805 OPT 15 0 R10 R15 R18 R20 R22 R23 R27 R28 RES OPT 0603 OPT Hardware For Demo Board O...

Page 7: ...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 CIR...

Page 8: ...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 SIGNIFICAN...

Page 9: ...LINEAR TECHNOLOGY AND SCHEMATIC SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS SCALE NONE www linear com 2 Tuesday November 17 2015 1 1 HIGH VOLTAGE SWITCHING SURGE STOPPER LT DAVID B N A LTC7860EMSE...

Page 10: ...ORY 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 INCIDENTA...

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