L14F1 Datasheet, PDF (3/4 Pages) QT Optoelectronics – HERMETIC SILICON PHOTODARLINGTON

Figure 1. Light Current vs. Collector to Emitter Voltage
100
5.0 mW/cm²
2.0
1.0
10
.5
.2
1.0
.1
.05
NORMALIZED TO:
V_CE = 5 V
0.1
Ee = .2 mW/cm²
0
5
10
15
20
25
30
35
V_CE, COLLECTOR TO EMITTER VOLTAGE (V)
HERMETIC SILICON
PHOTODARLINGTON
L14F1 L14F2
Figure 2. Relative Light Current vs. Ambient Temperature
10
8
6
4
2
1.0
.8
.6
.4
.2
.1
.08
.06
V_CE = 5 V
H = .2 mW/cm²
.04
.02
.01
-50
-25
0
25
50
75
T, TEMPERATURE (°C)
100 125
Figure 3. Spectral Response
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
400
500 600 700
800 900 1000 1100 1200
λ, WAVE LENGTH (NANOMETERS)
Figure 4. Angular Response
110
100
90
80
70
60
50
40
30
20
10
0-90_{° -70° -50° -30° -10° 10° 30° 50° 70° 90°}
DEGREES
INPUT
LED56
LED
VCC
L14F
1.0 V
90%
OUTPUT
PULSE
10%
t_d
t_f
I R_L OUTPUT
t_r
t_s
INPUT PULSE
t_ON = t_d + t_r
t_OFF = t_s + t_f
Figure 5. Test Circuit and Voltage Waveforms
DS300306 6/01/01
3 OF 4
Figure 6. Light Current vs. Relative Switching Speed
100
LOAD RESISTANCE
10 Ω
NORMALIZED TO:
R_L = 100 Ω
100 Ω
I_L = 10 mA
10
1.0
0.10.01
1000 Ω
V_CC = 10 V
0.1
1.0
10
100
RELATIVE SWITCHING SPEED
td + tr + ts + tf
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