DC1555C - Schematic

5
4
3
2
1
REVISION HISTORY
C3
(OPT)
ECO
REV
-
1
2
1000pF
0805
APPROVED
DATE
DESCRIPTION
Replaced LED's, Added ‐B Assembly
Vlad Ostrerov
Apr 15, 2015
Replaced Q1, LED's & CLD's.
Vlad Ostrerov
Nov 20, 2015
D5
BZT52C15T
(OPT)
D
Q2A
2N7002VC-7-F
(OPT)
*
VIN
VOUT
-30 TO 0V
REVERSE PROTECTED
UV PROTECTED
0V TO 6V
6V TO 15V
C
*
S2
G1
(UV = 6V)
(OV = 15V)
VIN
VIN
S1
Q2B
2N7002VC-7-F
(OPT)
D2
(LOW CURRENT MOSFET, SMALL PACKAGE OPTION)
G2
GATE ON
OV PROTECTED
15V TO 30V
E1
D1
D
D6
DFLT20A
(OPT)
E2
GND
Q1A
Si4214DDY-T1-GE3
D7
DFLT40A
(OPT)
R2
54.9k
1%
E3
UV
E4
E6
VOUT
R4
510k
R1
1M
1%
Q1B
Si4214DDY-T1-GE3
C1
4.7µF
50V
(OPT)
U1
1
2
3
VIN
GATE
UV
VOUT
OV
FAULT
C2
47µF
*
VOUT
8A MAX
E7
+ 35V
(OPT)
C
GND
8
7
E8
6
FAULT
OV
EN
R3
36.5k
1%
SHDN
1
4
GND
SHDN
5
LTC4365CTS8
2
B
B
3
DIS
JP1
SHDN
E5
BOARD ASSEMBLY
D4
1N4148WT
1
VIN
LED DRIVE
VOUT
CONNECT
LED
2
3
CLD1
CMJ2000 TR
1
2
JP3
CLD3
CMJ2000 TR
CLD2
CMJ2000 TR
A
D1
GRN
VIN
D3
RED
FAULT
D2
GRN
VOUT
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.
TECHNOLOGY
RB
Vlad O.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
4
3
N/A
SCALE = NONE
1630 McCarthy Blvd.
Milpitas, CA 95035 www.linear.com
Phone: (408)432-1900
Fax: (408)434-0507
LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY
TITLE: SCHEMATIC
SIZE
5
U1
LTC4365CTS8
LTC4365CTS8‐1
3
OPEN
JP2
DC1555C‐A
DC1555C‐B
HIGH VOLTAGE NFET DRIVER UV, OV AND
REVERSE SUPPLY PROTECTION
IC NO.
REV.
LTC4365CTS8/LTC4365CTS8-1
2
DEMO CIRCUIT 1555C
MODIFY DATE: Nov 20, 2015
2
SHEET
1
1
OF
1
A
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