DC2178A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
REV
__
3
DESCRIPTION
PRODUCTION
APPROVED
DATE
MITCHEL L.
04-06-16
E3
E1
Q1
FDB33N25
INPUT
INPUT
2
INPUT
RSNS
0.040
3
1
D
J2
RDRN
240k
1206
VCC
R1
20k
1206
C1A
2.2uF
100V
1210
SNS
OUT
*
EP
TMR
E7
ON
SEL
11
6
7
CLAMP
3
4
1
2
45V
27V
JP1
HD2X2-079
E8
GND
ON
OFF
C
GND
E6
GND
FLT
GND
CTMR1
10uF
10V
1206
E5
B
8
10
9
ON
TMR
DFN10DD-3X3
CTMR2
OPT
1206
2
4
5
4
GATE
VCC
SNS
3
2
1
U1
1
3
JP2
HD2X2-079
C2
47nF
100V
DRN
C
GND
RLED1
3.6k
1206
LED
1
2
C1B
OPT
1210
E4
J4
15V
OPT
R2
33
D1
CMHZ5266B
68V
J3
RLED2
3.6k
1206
D6
DDZ9702S
1
2
GATE
CL
22uF
50V
2
R3
10
CSNUB
10nF
500V
1206
GND
DLED
GREEN
1
RSNUB
100
1210
E2
+
OUT
J1
OUTPUT
OUTPUT
D
E9
FLT
B
OPERATING LIMITS
SYSTEM VOLTAGE
CLAMP SELECT
DC OPERATING
DC SURVIVAL
SURGE RIDE-THROUGH
1ms TRANSIENT
CURRENT LIMIT
MAXIMUM LOAD
NOTE: UNLESS OTHERWISE SPECIFIED
12V
24 / 28V
27V
45V
4.2V TO 19V
4.2V TO 35V
80V
ISO-7637-2
TEST PULSE 5A
250V
1.25A
1A
0.5A
1. ALL RESISTORS AND CAPACITORS ARE 0805.
A
*
ASSY
A
B
U1
LTC4380-1
LTC4380-2
SUFFIX
1
2
TOP MARK
LGHQ
LGHS
BEHAVIOR
LATCH OFF
AUTO RETRY
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.
KIM T.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
APP ENG. MITCHELL L.
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
TECHNOLOGY
TITLE: SCHEMATIC
SIMPLE SURGE STOPPER
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
4
3
N/A
SCALE = NONE
2
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
DATE:
IC NO.
LTC4380IDD-1/-2
REV.
3
DEMO CIRCUIT 2178A
Wednesday, April 06, 2016
SHEET 1
1
OF 1
A
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