DC2392A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
REV
__
2
DESCRIPTION
APPROVED
DATE
PRODUCTION
DB
09-29-15
E1
D
D
VIN1
VIN
J1
VIN1
7V - 100V
+ CIN1
15uF
100V
8x12
100SXV15M
J3
GND
CIN3
CIN2
2.2uF
100V
1210
+ C1
OPT
8X12
CIN5
CIN4
2.2uF
100V
1210
D2
OPT
R3
100K
0805
R5
35.7K
E3
D3
OPT
C7
OPT
100
R8
1K
R13
100K
0805
R12
OPT
0805
OPT
C10 22uF
1206
D5
OPT
R11
1
0
FREQ 2
C12 0.1uF
6
VIN
R18
OPT
VFB
FREQ
4
5
D6
OPT
R14
0
3
R19
10K
R17
10K
C15
47pF
C17
3.3nF
TMR
R28
OPT
GATE
FREQ
VIN
GND
SENSE
SS
CAP
VFB
RUN
ITH
C16
OPT
GND
Q2
SFT1345
U1
LTC7860EMSE
VFBN
12
11
10
9
8
7
Q3
ZXGD3005E6TA
1
C11
2
6
4
100pF
5
3
C9
1uF
50V
0805
E4
SW
Q4
SUM90P10-19L
C
E5
VOUT
VOUT
CAP
C13
0.47uF
16V
L1
10uH
C14
0.1uF
50V
0805
J4
XAL1010-103
R15
13
R10
C
100
R9
C8
OPT
1210
D1
SZMMSZ5242B
R7
6m
1225
3W
R6
GND
OPT
D7
NRVTS10100MFST
10A 100V
R16
10
0805
VOUT
COUT3
COUT2
COUT1
10uF
50V
1210
+ COUT4
150uF
50V
10X10
MAX 35V / 10A
J5
GND
50CE150AX
R20
E6
GND
OPT
SMMDL914
D8
R21
0
B
Q6C
Q6
SMMBTA42L
R25
205K
B
R24
31.6K
CAP
C18
1.5nF
Feedback Notes
Max Vout = ( ( R24 + R26 ) / R26) * ( ( ( 0.8V / R19 ) * R25 ) + ( Q6Vbe)) V
Max Vout = 2 * ( ( 0.08 * R25) + 0.7 ) V where R25 is in"K"
R26
31.6K
CAUTION, SHOCK HAZARD: CONTACT WITH HIGH VOLTAGE
CAN RESULT IN A DANGEROUS ELECTRIC SHOCK.
CUSTOMER NOTICE
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
APP ENG.
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
NOTE: UNLESS OTHERWISE SPECIFIED
TECHNOLOGY
LT
TITLE: SCHEMATIC
DB
HIGH VOLTAGE SWITCHING SURGE STOPPER
SIZE
1. ALL RESISTORS AND CAPACITORS ARE 0603.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
N/A
SCALE = NONE
2
DATE:
IC NO.
LTC7860EMSE
DC2392A
REV.
2
Tuesday, September 29, 2015
SHEET 1
1
OF 2
A
5
4
3
2
1
VIN
D
OPTIONAL
INPUT FILTER
VIN
R1
L3
R2
0.6uH
OPT
Q1
SUM90P10-19L
OPT
2512
R29
OPT
2512
L2
1uH
C2
C3
OPT
100V
1210
D4
OPT
R27
OPT
Q6C
OPTIONAL INPUT FILTER
OPT
2512
3
5
2
6
C
R23
OPT
4
Q5
BC857BS
1
R22
OPT
D
OPTIONAL
REV. POL. PROTECT
CAP
VFB
( REVERSE POLARITY
PROTECTED )
J2
VIN2
OPT
C4
C5
C6
OPT
100V
1210
R4
1m
2512
7V - 100V
C
VIN2
E2
OPTIONAL FEEDBACK CIRCUIT
FOR VOUT < 12V
B
B
CUSTOMER NOTICE
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
APP ENG.
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
TECHNOLOGY
LT
DB
TITLE: SCHEMATIC
HIGH VOLTAGE SWITCHING SURGE STOPPER
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
LTC7860EMSE
IC NO.
N/A
SCALE = NONE
3
DATE:
REV.
2
DC2392A
Tuesday, September 29, 2015
2
SHEET 2
1
OF 2
A
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