L9338 Datasheet, PDF (1/2 Pages) STMicroelectronics – QUAD LOW SIDE DRIVER

LED
Infrared LED
L9338
For optical switches
L9338 is an infrared LED developed for optical switches and is available at a low cost due to the improved manufacturing process.
Features
l High reliability
l Low price
Applications
l Optical switches
s Absolute maximum ratings (Ta=25 °C, unless otherwise noted)
Parameter
Symbol
Condition
Reverse voltage
VR
Forward current
IF
Forward current reduction rate
- Ta>25 °C
Pulse forward current
IFP
Pulse width=10 µs
Duty ratio=1 %
Pulse forward current reduction rate
- Ta>25 °C
Power dissipation
P
Operating temperature
Topr
Storage temperature
Tstg
*1: 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
920
Spectral half width
∆λ IF=50 mA
-
Forward voltage
VF IF=50 mA
-
Pulse forward voltage
VFP IF=1 A
-
Reverse current
IR VR=5 V
-
Radiant flux
φe IF=50 mA
10
Cut-off frequency *²
fc IF=50 mA ± 4 mAp-p
0.1
*2: Frequency at which the optical output drops by -3 dB from that at 10 kHz.
Value
5
80
1.1
1.0
13
150
-30 to +85
-40 to +100 *¹
Typ.
945
60
1.34
3.1
-
15
0.3
Max.
970
-
1.42
3.8
5
-
-
Unit
V
mA
mA/°C
A
mA/°C
mW
°C
°C
Unit
nm
nm
V
V
µA
mW
MHz
1