Datasheet

7
AlGaAs Red
t – PULSE DURATION – µs
P
10
1
100
10 1000010001001
RATIO OF MAXIMUM OPERATING PEAK CURRENT TO TEMPERATURE DERATED MAXIMUM DC CURRENT
I PEAK
F
I MAX
DC
OPERATION IN THIS
REGION REQUIRES
TEMPERATURE
OPERATING OF I
MAXIMUM
DC
DC OPERATION
100 Hz
10 KHZ
3 KHz
1 KHz
300 Hz
Figure 4. Relative Luminous Intensity
vs. DC Forward Current.
Figure 2. Maximum Allowable DC
Current per Segment as a Function of
Ambient Temperature.
Figure 1. Maximum Allowed Peak Current vs.
Pulse Duration – AlGaAs Red.
Figure 5. Relative Efficiency (Luminous
Intensity per Unit Current) vs. Peak Current.
Figure 3. Forward Current vs.
Forward Voltage.
45
30 50 80 90 10070604020
0
40
50
T
A
– AMBIENT TEMPERATURE – °C
35
30
25
20
15
10
5
I
DC
MAX. – MAXIMUM DC CURRENT
PER SEGMENT – mA
AlGaAs RED
Rθ
J-A
= 770°C/W
110 120
0.5 1.5 3.0 3.5 4.02.52.01.00
0
160
V
F
– FORWARD CURRENT – V
140
120
100
80
60
40
20
I
F
– FORWARD CURRENT PER SEGMENT – mA
AlGaAs RED
0.6
0.8
1.4
1.2
1.0
I
PEAK
– PEAK FORWARD CURRENT PER SEGMENT – mA
0.5
AlGaAs RED
η
PEAK
– NORMALIZED RELATIVE EFFICIENCY
5.0 50.0 150.0
515 3035402520100
0
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
I
F
– FORWARD CURRENT PER SEGMENT – mA
RELATIVE LUMINOUS INTENSITY
(NORMALIZED TO 1 AT 20 mA)
AlGaAs RED