ELM185xB Laser Diode Driver
■Electrical characteristics
1. Icc consumption current
characteristics of power voltage vs.
consumption current
Icc consumption current test circuit
Icc
A
Vcc vs Icc
4
6
5
4
3
2
1
0
85
�
KLD
VCC
ILM
Vcc
V
25
�
ELM185xB
-30
�
AMD
GND
CMP
1
2
3
�ꢀ
0.1
0
2
4
6
8
10
Vcc (V)
2. Vamd standard voltage
power voltage vs. AMD standard voltage
Vamd standard voltage test circuit
Vcc -Vamd
0.35
6
5
4
KLD
VCC
ILM
0.3
ELM185xB
-30
�
25
�
AMD
GND
CMP
85
4
�
0.25
0.2
1
2
3
Vamd
V
2
6
8
Vcc (V)
3. Ikld constant current
KLD output current voltage characteristics
Ikld constant current test circuit
Ikld
A
Vkld - Ikld
160
5.0V
140
120
6
5
4
RILM
1
�
2.2
�
KLD
VCC
ILM
100
80
60
40
20
0
Vkld
V
4.7
�
ELM185xB
AMD
GND
CMP
1
2
3
�ꢀ
0.1
0
5
10
15
Vkld (V)
When Vkld, Ikld are large, protection circuit operates according to the heat generation of IC;
the limit will be determined by heat characteristic of actual assembly.
*
10 - 10
ELM-TECH [ ELM Technology Corporation ]
