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i7032
7. Typical application circuits
7.1. Application circuit with temperature-independent modulation current
C7
0.1uF
U1
i7032_EN
E
N
B
P
1
V
R
E
F
2
R
O
S
A
D
J
3
I
S
F
B
4
IB
S
S
E
T
5
IM
O
D
S
E
T
6
IBIASOUT
7
GNDA
8
OUTN
9
GNDA
10
OUTP
11
GNDA
12
F
A
U
T
1
IP
S
E
T
1
V
R
E
F
1
S
W
S
T
R
T
1
IP
1
V
C
C
A
1
ENBN
24
IMODTC
23
VCCB
22
VINN
21
VINP
20
GNDB
19
VCC
R1
4.7K
VCC
R2
0R
R3
Rpin
VCC
R11
R12
R13
C1
0.1uF
VCC
C2
0.1uF
R4
24R
VCC
R5
NC
C3
NC
VCC
R6 18R
R7 47R
C4
LD
PD
VCC
C5
1uF
C6
0.1uF
DIN+
DIN-
& Temperature compensation control.
R5 & C3 : are optional for overshooting improvement.
Rs & Rntc : Modulation temperature compensation if need.
Check VPIN : 4/7*VCC to make sure APC functional work.
Figure 9. Typical application circuit with temperature-independent modulation current
Rmodtc : Setting for modulation current
Rpin : Setting for LD current.
Rbias : Reserve if need.
Rmodset : Reserve if need.
VPIN
VPIN
7.2. Application circuit with temperature-compensated modulation current
C7
U1
i7032_EN
E
N
B
P
1
V
R
E
F
2
R
O
S
A
D
J
3
I
S
F
B
4
IB
S
S
E
T
5
IM
O
D
S
E
T
6
IBIASOUT
7
GNDA
8
OUTN
9
GNDA
10
OUTP
11
GNDA
12
F
A
U
T
1
IP
S
E
T
1
V
R
E
F
1
S
L
W
S
T
R
T
1
IP
1
V
C
C
A
1
ENBN
24
IMODTC
23
VCCB
22
VINN
21
VINP
20
GNDB
19
VCC
R8
R9
Rs
R10
R1
4.7K
VCC
R2
0R
R3
Rpin
VCC
R11
Rosadj
R12
Rbias
R13
Rmodset
C1
0.1uF
VCC
0.C2
R4
24R
VCC
R5
NC
C3
NC
VCC
R6 18R
R7 47R
C4
LD
PD
VCC
C5
1uF
C6
0.1uF
DIN+
DIN-
R5 & C3 : Overshoot filter.
Rs & Rntc : Modulation temperature compensation if need.
Rmodtc : Setting for modulation current
& Temperature compensation control.
Rpin : Setting for LD current.
Check VPIN : 4/7*VCC to make sure APC functional work.
Figure 10. Typical application circuit with temperature-compensated modulation current
Rbias : Reserve if need.
Rmodset : Reserve if need.
2003 iCreate Technologies Corporation
This document contains preliminary information on product but not yet fully characterized.
iCreate Technologies Corporation reserves the right to change the specification in any manner without notice.
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ICR-DS-i7032001