DC1935A - Schematic

5
4
3
2
1
ECO
REV
-
TP1
E2
E1
3
GND
1
FB
2
OUT
SNS
TMR
ENOUT
11
FLT
13
12
SHDN
4
GND
CTMR
47nF
100V
TP5
E8
B
C
R2
10K
1%
U1*
GND/OV
7
WIDE VOLTAGE RANGE
CONSTANT CURRENT
LED DRIVER
GATE
*
R1C
0
CG
47nF
100V
3
TP7
5
R6
1%
240
5%
R1B
143K
1%
TP2
VCC
R11
*
2
RG
33
5%
0
5%
R5
1%
D3
GREEN
R1A
118K
1%
10
R8
6
2
1
1
Q4
MMBT3904
C3
10nF
D2
CMJ2700
1
Q2
PZTA42 (OPT)
R9 100K (OPT)
3
C
1
R4B
140K
1%
D4
GREEN
1
D1
SMAJ60A
D
2
CL
33uF
50V
R3
10
5%
GND
2
R4C
0
C2
100nF
100V
+
9
2
Q3
PZTA42
OUTPUT
2A
E4
5%
CSNUB
10nF
500V
UV
1
11/11/2011
2
3
R4A
93.1K
1%
0.020 OHMS
RSNUB
100
5%
2
R10
270K
5%
DATE
M.LEE
1
TP6
APPROVED
E3
1
R7
1K
5%
PRODUCTION
RSNS
2
8
INPUT
DESCRIPTION
1
TP4
Q1
FDB33N25
3
D
TP3
REVISION HISTORY
E5
E7
GND
E6
B
* ASSEMBLY OPTIONS
ASS'Y TYPE
U1
PIN 7
BEHAVIOR
R5
R6
DC1935A-A
LT4363IDE-1
GND
LATCH OFF
28K
0 OHMS
DC1935A-B
LT4363IDE-2
OV
AUTO RETRY
18.2K
E13
GND
10K
E14
E12
SHDN
E11
FLT
E10
ENOUT
E9
TMR
GND
R1C,R4C ARE USED TO SELECT EITHER
12V OR 28V OPERATION
NOMINAL INPUT
R1C, R4C
INPUT OPERATING RANGE
A
12V
28V
0 OHMS
OPEN
5.7V-14.7V
INPUT DC SURVIVAL
80V
INPUT 1ms TRANSIENT
250V
OUTPUT REGULATION
UV
OV RETRY INHIBIT
CUSTOMER NOTICE
12.4V-31.6V
16.3V
34.6V
5.6V
11.9V
15.5V
33.3V
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
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT 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.
5
4
3
APPROVALS
TECHNOLOGY
PCB DES. M.HAWKINS
APP ENG.
M.LEE
TITLE: SCHEMATIC
SIZE
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:
HIGH VOLTAGE SURGE STOPPER
WITH CURRENT LIMIT
IC NO. LT4363IDE-1,2
REV.
DEMO CIRCUIT 1935A
11/11/2011
SHEET
1
1
1
OF 1
A
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