Datasheet

8
HER, Orange, Yellow, Green
Figure 9. Forward Current vs. Forward Voltage Characteristics. Figure 10. Relative Luminous Intensity vs. DC Forward Current.
Figure 11. Relative E ciency (Luminous Intensity per Unit Current) vs. Peak
Current.
Figure 8. Maximum Allowable DC Current vs. Ambient Temperature.Figure 7. Maximum Tolerable Peak Current vs. Pulse Duration – Green.
RATIO OF MAXIMUM OPERATING PEAK CURRENT TO TEMPERATURE DERATED DC CURRENT
I
F
PEAK
I
DC
MAX
t
P
– PULSE DURATION – Ps
OPERATION IN THIS
REGION REQUIRES
TEMPERATURE
OPERATING OF I
DC
MAXIMUM
40
0
5
10
15
20
25
30
35
T
A
– AMBIENT TEMPERATURE – °C
I
DC
MAX – MAXIMUM DC CURRENT
PER SEGMENT – mA
10020 90807060504030 120110
50
45
HER/ORANGE
YELLOW
GREEN
RT
J-A
= 770°C/W
0
100
80
60
40
20
I
F
– FORWARD CURRENT PER SEGMENT – mA
2.0 3.0 4.01.0
V
F
– FORWARD VOLTAGE – V
0 5.0
YELLOW
HER/ORANGE
GREEN
K
PEAK
– RELATIVE LUMINOUS INTENSITY
(NORMALIZED TO 1 AT 5 mA FOR HER AND
YELLOW AND TO 1 AT 10 mA FOR GREEN)
K
PEAK
– RELATIVE
EFFICIENCY
(NORMALIZED TO 1 AT 5 mA FOR HER,
ORANGE AND YELLOW, AND 10 mA FOR GREEN)
15
0
10
8
6
4
2
20 25 30510
12
I
F
– FORWARD CURRENT PER SEGMENT – mA
0
YELLOW
GREEN
HER/ORANGE
I
PEAK
– PEAK FORWARD CURRENT PER SEGMENT – mA
0.8
1.0
1.2
1.4
0 1008020 6040
1.8
1.6
GREEN
HER/ORANGE
YELLOW
10
1
100
1000010 10001001
DC OPERATION
10
1
100
1000010 10001001
10 kHz
3 kHz
1 kHz
300 Hz
100 Hz