10
HER, Green, Orange
Figure 7. Maximum allowable dc current vs.
ambient temperature.
Figure 8. Forward current vs. forward voltage
characteristics.
Figure 9. Relative luminous intensity vs. dc
forward current.
Figure 10. Relative efficiency (luminous intensity per unit
current) vs. peak current.
40
0
5
10
15
20
25
30
35
20 10090807060504030
T – AMBIENT TEMPERATURE – °C
A
I MAX – MAXIMUM DC CURRENT
PER SEGMENT – mA
DC
120
110
50
45
HER / ORANGE
GREEN
R = 770°C/W
θ
J-A
0
100
80
60
40
20
I – FORWARD CURRENT PER SEGMENT – mA
F
2.0 4.03.01.0
V – FORWARD VOLTAGE – V
F
0 5.0
HER / ORANGE
GREEN
η
PEAK
– RELATIVE LUMINOUS INTENSITY
(NORMALIZED TO 1 AT 5 mA FOR HER,
AND TO 1 AT 10 mA FOR GREEN)
15
0
10
8
6
4
2
2053010 25
12
I – FORWARD CURRENT PER SEGMENT – mA
F
0
GREEN
HER / ORANGE
0
I – PEAK FORWARD CURRENT
PER SEGMENT – mA
PEAK
0.8
1.0
1.2
1.4
10020 806040
1.8
1.6
GREEN
HER / ORANGE
η
PEAK
– RELATIVE EFFICIENCY
(NORMALIZED TO 1 AT 5 mA FOR HER,
AND 10 mA FOR GREEN)
Figure 5. Maximum tolerable peak current vs. pulse
duration – HER, Orange.
Figure 6. Maximum tolerable peak current vs.
pulse duration – Green.
RATIO OF MAXIMUM OPERATING
PEAK CURRENT TO TEMPERATURE
DERATED DC CURRENT
I PEAK
F
I MAX
DC
t – PULSE DURATION – µs
P
10
1
100
10 1000010001001
10 KHz
3 KHz
300 Hz
DC OPERATION
OPERATION IN THIS
REGION REQUIRES
TEMPERATURE
DERATING OF I
MAXIMUM
DC
100 Hz
1 KHz
RATIO OF MAXIMUM OPERATING
PEAK CURRENT TO TEMPERATURE
DERATED DC CURRENT
I PEAK
F
I MAX
DC
t – PULSE DURATION – µs
P
10
1
100
10 1000010001001
10 KHz
3 KHz
300 Hz
100 Hz
DC OPERATION
OPERATION IN THIS
REGION REQUIRES
TEMPERATURE
DERATING OF I
MAXIMUM
DC
1 Hz
