H22B1 Datasheet, PDF (5/6 Pages) QT Optoelectronics – SLOTTED OPTICAL SWITCH

PHOTODARLINGTON
OPTICAL INTERRUPTER SWITCH
H22B1
H22B2
Figure 4. Leakage Current vs. Temperature
DETECTOR
EMITTER
10⁴
10⁴
NORMALIZED TO
V_CE = 25 V
T_A = 25 °C
10³
10³
V_CE = 25 V
10²
V_CE = 10 V
10²
NORMALIZED TO
V_R = 5 V
T_A = 25 °C
10
10
H22B3
1
1
0.1 ₂₅
50
75
100
T _A, AMBIENT TEMPERATURE (°C)
0.1 ₂₅
50
75
100
T _A, AMBIENT TEMPERATURE (°C)
Figure 5. Switching Speed vs. RL
4
IF
R_L
+
2
V_CC
PW = 300 µs
1
PRR = 100 pps
.8
I_F =
7.5
R_L
AMPS, V_CC = 5V
t_off
.6
NORMALIZED TO
.4
R_L = 750 Ω
t_on
.2
0.1
10
20
40 60 80 100
200
400 600 800 1000 1500
75
750
R_L , LOAD RESISTANCE (Ω)
Figure 6. Output Current vs. Distance
d, DISTANCE (mils)
1.00
78.7
157.5
236.2
315
393.7
.1
BLACK
SHIELD
.01
+D
E+
d
o
.001
.00010
2
4
6
d, DISTANCE (mm)
NORMALIZED
TO VALUE WITH
SHIELD
REMOVED
BLACK
SHIELD
d
o
8
10
© 2002 Fairchild Semiconductor Corporation
Page 5 of 6
6/13/02