© 2018
17
LDTC2/2 LASER DIODE DRIVER AND TEMPERATURE CONTROLLER
TEMPERATURE CONTROLLER BLOCK DIAGRAM
V
D
D
1
V
SE
T
2
LI
M
A
3
LI
M
B
4
P
5
+1
V
6
I
7
SG
8
S+
9
BI
A
S
10
O
UT
A
11
O
U
TB
12
G
N
D
13
V
S
14
U
1
W
TC
32
43
+
1
--
2
3
V
R1
LM
40
40
A
IM
3-
2.
5
V
D
D
Se
t T
AC
T
T
CW
3
W
2
CC
W
1
R3
5K
CW
3
W
2
CC
W
1
R4
5K
V
D
D
V
D
D
V
D
D
LI
M
A
LI
M
B
V
D
D
V
S
V
D
D
V
S
10
0u
A
V
D
D
V
S
V
CC
D
2
po
w
er
R2
4
1.
00
K
R2
5
1.
00
K
1%
R3
4
1.
00
K
R2
9
1.
5K
R
28
1.
5K
V
IN
2
GN
D
3
3.
3V
1
U
8
LM
34
80
IM
3-
3.
3
V
CC
V
se
t/D
A
C
V
D
D
V
D
D
V
D
D
V
CC
V
CC
V
CC
R3
5
20
.0
K
1 2 3 4 5 6 7 8 9 10 11 12
J2
CO
N
12
A
CT
T
SE
T
T
G
N
D
A
CT
T
SE
T
T
Co
m
m
on
Co
m
m
on
TE
C+
TE
C-
Se
ns
or
+
R3
3
10
.0
K
R3
2
10
0K
1 2 3
J1
CO
N
3
V
D
D
PM
O
N
IM
O
N
Ex
t V
se
t
Re
m
ot
e
En
ab
le
PM
O
N
IM
O
N
Ex
t V
se
t
Re
m
E
n
Co
m
m
on
PD
M
O
N
Co
m
m
on
N
O
6
CO
M
5
N
C
4
IN
1
V
+
2
G
N
D
3
U
7
IS
L8
45
44
R1
1.
00
K
1
%
7
4
3
2
6
+
_
U
3
O
P7
77
A
R
2
3
1
8
4
U
5A
O
P7
27
AR
U
O
S
5
6
7
8
4
U
5B
O
P7
27
A
RU
O
S
1 2 3
JP
1
H
EA
D
ER
3
R3
6
34
8K
1
%
R2
6
10
.0
K
R2
7
4.
99
K
CW
3
W
2
CC
W
1
R2
5K
+
C5 68
UF
1
6V
+
C2 4.
7U
F
50
V
+
C1 4.
7U
F
16
V
+
C8 4.
7U
F
50
V
+
C9 4.
7U
F
50
V
C1
1
0.
1U
F
50
V
C1
0
0.
1U
F
50
V
C6
0.
1U
F
C1
2
0.
1U
F
50
V
C1
3
0.
1U
F
50
V
C3 0.
1U
F
C
4
0.
1U
F
R3
0
24
.9
K
R3
1
31
.6
K
R2
3
15
0
2
3
1
8
4
U
4A
O
P7
27
A
RU
5
6
7
8
4
U
4B
O
P7
27
A
RU
C1
7
0.
1U
F
TS
ET
R
37
1.
00
K
C1
9
0.
1U
F
R3
8
1.
00
M
PD
M
O
N
R
bi
as
V
D
D
V
D
D
*
P
IN
1
&
2
N
O
T
A
V
A
IL
A
BL
E
O
N
R
ev
. A
Figure 14. Block Diagram for WTC3243 Connections