L4492 Datasheet, PDF (1/2 Pages) Hamamatsu Corporation – Low forward voltage LED for camera auto-focus

LED
Infrared LED
L4492
Low forward voltage LED for camera auto-focus
Features
l High radiant output power
l Low forward voltage: 2.4 V (IF=1.0 A)
l High radiant output power by constant voltage drive
l Small emission spot (reflector size)
Applications
l Auto-focus
s Absolute maximum ratings (Ta=25 °C)
Parameter
Symbol
Condition
Forward current
IF
Reverse voltage
Pulse forward current
Operating temperature
VR
IFP
Topr
Pulse width=10 µs
Duty ratio=1 %
Storage temperature
Tstg
* Guaranteed to resist temperature cycle test of up to 5 cycles.
s Electrical and optical characteristics (Ta=25 °C)
Parameter
Symbol
Condition
Min.
Peak emission wavelength λp IF=50 mA
880
Spectral half width
∆λ IF=50 mA
-
Forward voltage
VF IF=50 mA
-
Pulse forward voltage
VFP IF=1.0 A
-
Reverse current
IR VR=3 V
-
Radiant flux
φe IF=50 mA
6.0
Radiant illuminance
PE IF=50 mA
-
Rise time
tr IF=50 mA, 10 to 90 %
-
Fall time
tf IF=50 mA, 90 to 10 %
-
Value
80
3
1.0
-30 to +85
-40 to +100 *
Typ.
900
60
1.35
2.4
-
8.0
1.1
0.45
0.45
Unit
mA
V
A
°C
°C
Max.
930
-
1.45
2.8
30
-
-
0.7
0.7
Unit
nm
nm
V
V
µA
mW
mW/cm²
µs
µs