Canon CXDI-80C, Service Manual

Page: 74 / 164

2. Installation procedures
-
41
-
2) PC1 (photocoupler)
(1) Maximum ratings (Ta=25ºC)
Item Symbol Value
Light-emitting
side
DC forward current I
Ｆ
(RMS) 50 mA
DC forward current drop rate
△
I
F
/
℃
-0.7(Ta
≧
53
℃
)
Pulse forward current
(Note 1)
I
FP
1 A
DC reverse voltage V
R
5 V
Light-sensing
side
Voltage from collector to emitter V
CEO
80 V
Voltage from emitter to collector V
ECO
7 V
Collector current I
C
50 mA
Collector loss (1 circuit) P
C
150 mW
Allowable loss (1 circuit) P
T
200 mW
Dielectric strength
(Note 2)
BVs 2500 Vms
Operating temperature T
opr
-55 to 100
℃
Storage temperature T
stg
-55 to 125 ℃
(2) Electrical characteristics (Ta=25ºC)
Item Symbol Test condition Min. Typ. Max. Unit
Light-emitting
side
Forward voltage V
F
I
F
=10 mA 1.0 1.15 1.3 V
Reverse current I
R
V
R
=5 V - - 10 µA
Capacitance between
pins
C
t
V=0, f=1 MHz - 30
－
pF
Light-sensing side
Breakdown voltage
from collector to
emitter
V
(BR)CEO
I
C
=0.5 mA 80 - - V
Breakdown voltage
from emitter to
collector
V
(BR)ECO
I
E
=0.1 mA 7 - - V
Dark current I
CEO
V
CE
=48 V
Luminance (100 lux)
-
0.01
(2)
0.1
(10)
µA
V
CE
=48 V,Ta=85°C
Luminance (100 lux)
-
2
(4)
50
(50)
Transfer characteristics
Rise time t
r
V
CC
=10 V
I
C
=2 mA
R
L
=100 Ω
- 2 -
µs
Fall tim t
f
- 3 -
Turn-on time t
ON
- 3 -
Turn-off time t
Off
- 3 -
Turn-on time t
ON
V
CC
=5 V
I
F
=16 mA
R
L
=1.9 k Ω
- 2 -
µs Storage time t
S
- 25 -
Turn-off time t
OFF
- 40 -
Note 3: The structure is such that the leakage current may increase as a result of extraneous
light.
Note 1
Pulse width: less than 100µs; frequency: 100 Hz
Note 2
The AC voltage is applied to all the LED pins and all light-sensing pins, respectively, for 1 minute at a relative
humidity of
≦
60%.