LED
Infrared LED
L4492
Low forward voltage LED for camera auto-focus
Features
Applications
l
High radiant output power
l
Low forward voltage: 2.4 V (I
F
=1.0 A)
l
High radiant output power by constant voltage drive
l
Small emission spot (reflector size)
l
Auto-focus
s
Absolute maximum ratings (Ta=25
擄C)
Parameter
Forward current
Reverse voltage
Symbol
I
F
V
R
I
FP
Topr
Tstg
Condition
Pulse forward current
Operating temperature
Storage temperature
Pulse width=10 碌s
Duty ratio=1 %
Value
80
3
1.0
-30 to +85
-40 to +100 *
Unit
mA
V
A
擄C
擄C
* Guaranteed to resist temperature cycle test of up to 5 cycles.
s
Electrical and optical characteristics (Ta=25
擄C)
Parameter
Peak emission wavelength
Spectral half width
Forward voltage
Pulse forward voltage
Reverse current
Radiant flux
Radiant illuminance
Rise time
Fall time
Symbol
位p
鈭單?/div>
V
F
V
FP
I
R
蠁e
P
E
tr
tf
Condition
I
F
=50 mA
I
F
=50 mA
I
F
=50 mA
I
F
=1.0 A
V
R
=3 V
I
F
=50 mA
I
F
=50 mA
I
F
=50 mA, 10 to 90 %
I
F
=50 mA, 90 to 10 %
Min.
880
-
-
-
-
6.0
-
-
-
Typ.
900
60
1.35
2.4
-
8.0
1.1
0.45
0.45
Max.
930
-
1.45
2.8
30
-
-
0.7
0.7
Unit
nm
nm
V
V
碌A(chǔ)
mW
mW/cm
2
碌s
碌s
1
2
