DC1659A - Schematic

E1
E2
R15
IN
OUT
0.1 Ohm
3.3V-60V
2512
R22
0 OHM
E10
V+
V+
R10
R9
100
0
U1
3V
1%
ASSY
LT6109IMS*
C7
IC
-A
LT6109IMS-1
-B
LT6109IMS-2
0.1uF
10
R7
SENSEHI
SENSELO
3V
1k
V+
1
9
1
E3
LED1
1206 LED
R4
RESET
2
10k
EN /RST
8
C6
0402
E7
2
3
INC2
OPTIONAL
E4
1%
7
CIN2
3V
OUTC2
R2
6.65k
1%
3V
1k
4
OUTC1
INC1
V-
1
R5
10k
0402
E8
E5
CIN1
6
R3
5
LED2
R18
R1
R8
1206 LED
IOUT
OPTIONAL
2k
Cout2
COUT2
OUTA
1.33k
GND
1%
R19
OPTIONAL
2
E6
COUT1
CUSTOMER NOTICE
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
4. OPTIONAL COMPONENTS ARE NOT INSTALLED
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT
TO DESIGN A CIRCUIT THAT MEETS CUSTOMERSUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS PCB DES.
THE CUSTOMER'S RESPONSIBILITY TO VERIFY
PROPER AND RELIABLE OPERATION IN THE ACTUAL
APP ENG.
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
WWW.LINEAR.COM
LTC CONFIDENTIAL FORCUSTOMER USE ONLY
APPROVALS
CL
CUYLER L.
SCALE = NONE
TITLE: SCHEMATIC
PRECISION CURRENT SENSE WITH COMPARATORS AND REFERENCE
SIZE
N/A
DATE:
IC NO.
05/2010
LT6109IMS-1/-2
DEMO CIRCUIT 1659A
REV
1
SH 1 of 2
V+
3V
V+
U2
LT3010-ADJ
1uF
OUT
SHDN
SENSE
V-
R20
1
3V
0
2
R12
13.7k
OPTIONAL
U4
C2
C5
0402
R21
1
0.47uF
Rst
Out
6
0.1uF
4
0402
2
GND
V+
Set
Div
R14
3V
5
10k
R16
0402
3
1
SW1
R6
RESET
118k
1Meg
4
0402
LT6991
0402
2
R17
392k
0402
R11
0 ohm
0402
JP1
JUMPER2
MAN
1
RESET
RESET
2
U3
AUTO
1
3
R23
2
1Meg
E9
Trig
Out
GND
V+
Set
Div
6
5
0402
C4
*MAY APPEAR AS C3 ON DEMOBOARD
3
R13
249k
0402
CUSTOMER NOTICE
0.1u
4
0402
LT6993-1
1630 McCarthy Blvd.
Milpitas, CA 95035
PH: (408) 432-1900
WWW.LINEAR.COM
LTC CONFIDENTIAL FORCUSTOMER USE ONLY
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT
TO DESIGN A CIRCUIT THAT MEETS CUSTOMERSUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS PCB DES.
THE CUSTOMER'S RESPONSIBILITY TO VERIFY
PROPER AND RELIABLE OPERATION IN THE ACTUAL
APP ENG.
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.
RST
3V
5
C1
IN
3V
8
CL
CUYLER L.
SCALE = NONE
TITLE: SCHEMATIC
PRECISION CURRENT SENSE WITH COMPARATORS AND REFERENCE
SIZE
N/A
DATE:
IC NO.
05/2010
LT6109IMS-1/-2
DEMO CIRCUIT 1659A
REV
1
SH 2 of 2
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