DC1699A - Schematic

ECO REV
1
E1
DESCRIPTION
PRODUCTION
APPR
DATE
CUYLER L.
07/01/2010
E2
R11
IN
3.3V-60V
OUT
0.1 Ohm
2512
R17
0 OHM
4A MAX
E8
R7
100
V+
C7
0.1uF
3V
8
SENSE +
SENSE -
2
E5
ASSY
U1
-A
LT6108IMS8-1
-B
LT6108IMS8-2
1
V+
IOUT
EN/RST
IOUT
6
C6
LED2
1206 LED
OPT
R1
1.69k
R3
10k
0402
3
COUT
*
E3
RESET 2
3V
1
7
R5
1k
0402
R6
100
U1
LT6108IMS8*
COUT
CIN
R14
OPT
E4
5
CIN
GND
R2
806
4
E6
GND
NOTES: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS ARE IN OHMS, 0603
2. ALL CAPACTORS ARE IN MICRO FARADS, 0603
3. INSTALL SHUNTS AT J1 PIN 1+2
CUSTOMER NOTICE
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT
TO DESIGN A CIRCUIT THAT MEETS CUSTOMERSUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS
THE CUSTOMER'S RESPONSIBILITY TO VERIFY
PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND
PRINTED CIRCUIT 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.
1630 McCarthy Blvd.
Milpitas, CA 95035
PH: (408) 432-1900
APPROVALS
PCB DES.
CL
APP ENG.
CUYLER L.
WWW.LINEAR.COM
LTC CONFIDENTIAL FORCUSTOMER USE ONLY
TITLE: SCHEMATIC
PRECISION CURRENT SENSE WITH COMPARATOR AND REFERENCE
SIZE
SCALE = NONE
N/A
DATE:
IC NO.
07/2010
LT6108IMS8-1/-2
DEMO CIRCUIT 1699A
REV
1
SH 1 of 2
C1
1uF
1206
OUT
SHDN
SENSE
V-
1
R8
13.7k
0402
1
C2
0.47uF
C5
0.1uF
0402
4
U4
OPT
0
2
RST
OUT
GND
V+
SET
DIV
6
3V
5
IN
**COMPONENTS ARE OPTIONAL ON
DC1699A-B ASSEMBLY
2.7V-5V
R16
2
R10
10k
0402
3
5
R12
1Meg
0402
4
R4
LT6991CS6
124k
0402
1
R13
392k
0402
SW1
RESET
2
JP1
RESET
MAN
RESET
U3
AUTO
1
1
2
3
R18
1M
0402
2
R9
249k
0402
CUSTOMER NOTICE
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT
TO DESIGN A CIRCUIT THAT MEETS CUSTOMERSUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS
THE CUSTOMER'S RESPONSIBILITY TO VERIFY
PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND
PRINTED CIRCUIT 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.
3
E7
TRIG
OUT
GND
V+
SET
DIV
RESET
6
3V
8
3.3V-60V
R15
V+
3V
V+
U2
LT3010EMS8
EN/RST
5
4
C4
0.1u
0402
LT6993CS6-1
1630 McCarthy Blvd.
Milpitas, CA 95035
PH: (408) 432-1900
APPROVALS
WWW.LINEAR.COM
PCB DES.
LTC CONFIDENTIAL FORCUSTOMER USE ONLY
CL
APP ENG. CUYLER L.
TITLE: SCHEMATIC
PRECISION CURRENT SENSE WITH COMPARATOR AND REFERENCE
SIZE
SCALE = NONE
N/A
DATE:
IC NO.
07/2010
LT6108IMS8-1/-2
DEMO CIRCUIT 1699A
REV
1
SH 2 of 2
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