DC2239A - Schematic

5
4
3
2
1
REVISION HISTORY
VIN
VIN
D
GND
GND
CIN1
10uF
63V
CIN3
OPT
100V
1210
E2
D5
B0530W
GATE
E10
LTC7860EMSE
C10
22uF
1206
1
R1
2
OPT
FREQ
3
C6
C
4
TMR
9
0.1uF
C4
3.9pF
5%
R4
0 Ohm
Q2
Si7461DP
C7
0.1uF
100V
0805
L1
6.8uH
E11
XAL6060-682ME
COILCRAFT
D1
OPT
D2
PDS5100-13
PowerDi5
SW
C5
J4
R5
1.0M
1%
6
R2
10.0K
1%
C2
680pF
VFB
E9
COUT1
10uF
25V
1812
3.5V-17V
5A
COUT3
OPT
0603
COUT2
C9
+
10uF
OPT
25V
7343
1812
E8
C
8
RUN
ITH
VOUT
VOUT
0.47uF
5
R3
48.7K
1%
Q1
OPT
C1
100pF
5%
10
CAP
D
R8
11
SENSE
SS
DAVID B.
0 Ohm
D3
MMSZ9V1T1G
1
VIN
GND
APPROVED
3/27/15
R6
12
GATE
FREQ
DATE
PRODUCTION
0.012
2010
CIN2
2.2uF
100V
1210
U1
J5
DESCRIPTION
1
R7
E1
+
REV
1
3.5V - 60V
ECO
J3
2
VIN
J6
GND
7
VFBN
GND
C8
10pF
5%
13
R12
FREQ
0 Ohm
VIN
VOUT
R10
0 Ohm
R9
OPT
1
B
D4
OPT
R11
SHDN
1
OPT
2
3
B
ON
OFF
2
JP1
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
APP ENG.
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
A
NOTE: UNLESS OTHERWISE SPECIFIED
DAVID B.
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
TECHNOLOGY
LT
LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY
TITLE: SCHEMATIC
HIGH VOLTAGE SURGE SUPPRESSOR WITH TIMER
SIZE
N/A
SCALE = NONE
1630 McCarthy Blvd.
Milpitas, CA 95035 www.linear.com
Phone: (408)432-1900
Fax: (408)434-0507
DATE:
2
IC NO.
REV.
LTC7860EMSE
DEMO CIRCUIT 2239A
Friday, March 27, 2015
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SHEET
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OF
1
A