DC2161A - Schematic

5
4
3
2
1
REVISION HISTORY
ECO
REV
__
DESCRIPTION
2
APPROVED
DATE
BOB S.
09-22-14
PRODUCTION
D
D
J3
OUT
R3
10
C1
0.1uF
0603
R4
OPT
C2
OPT
C3
100uF
25V
7343
R5
3.32k
0603
J4
D2
GREEN
DISABLE
6
R8
24.9k
7
R9
75k
12
GATE
UVL
SOURCE
UVH
STATUS
OV
TIMER
11
E5
9
STATUS
10
TIMER
GNDSW
3
JP1
HD1X3-079
5
IN
C
E10
C4
0.082uF
GND
ENABLE
1
2
3
4
ON
UV/OV
2
*
E6
GND
8
R7
12.4k
R6
1.24M
0805
SENSE
C
U1
LTC4231
GND
E4
2
E2
VOUT
12V, 3A
E3
1
1
+
1
GND
1
J2
1/4W
1206
R1
10
0603
Q1B
Si7960DP
6
3
5
4
D1
SMBJ24CA
SENSE
Q1A
Si7960DP
2
E1
8
7
GATE
IN
2
VIN
12V
R2
0.015
SOURCE
J1
E7
IQ
B
ON
R11
100k
E9
NOTE: UNLESS OTHERWISE SPECIFIED
1. ALL CAPACITORS ARE IN MICROFARADS, 0402.
2. ALL RESISTORS ARE IN OHM, 0402.
A
*
ASSY
A
B
U1
LTC4231-1
LTC4231-2
SUFFIX
1
2
ENABLE
1
2
3
4
5
6
ON
EXT
OFF
1
2
3
R10
100k
JP3
HD2X3-079
4
GND
NORMAL MEASURE IQ
CUSTOMER NOTICE
B
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.
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
5
E8
JP2
IQ
3
TECHNOLOGY
KIM T.
BOB S.
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
TITLE: SCHEMATIC
MICROPOWER HOT SWAP CONTROLLER
SIZE
N/A
SCALE = NONE
2
DATE:
IC NO.
LTC4231IMS-1/ 2
DEMO CIRCUIT 2161A
Monday, September 22, 2014
REV.
2
SHEET 1
1
OF 1
A
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