CYN17XM, CNY17FXM, MOC810XM — Phototransistor Optocouplers
Typical Performance Characteristics
Fig. 2 Normalized CTR vs. Ambient Temperature
Fig. 1 Normalized CTR vs. Forward Current
1.6
V
CE
= 5.0V
T
A
= 25˚C
Normalized to
I
F
= 10mA
1.2
I
F
= 5mA
1.2
1.0
1.0
1.4
1.4
NORMALIZED CTR
NORMALIZED CTR
I
F
= 10mA
0.8
0.8
0.6
0.6
I
F
= 20mA
0.4
0.4
Normalized to:
I
F
= 10mA
T
A
= 25˚C
0
2
4
6
8
10
12
14
16
18
20
0.2
-60
-40
-20
0
0.2
0.0
20
40
60
80
100
I
F
– FORWARD CURRENT (mA)
T
A
– AMBIENT TEMPERATURE (˚C)
Fig. 3 CTR vs. RBE (Unsaturated)
NORMALIZED CTR ( CTR
RBE
/ CTR
RBE(OPEN)
)
NORMALIZED CTR ( CTR
RBE
/ CTR
RBE(OPEN)
)
1.0
0.9
I
F
= 20mA
0.8
I
F
= 10mA
0.7
0.6
0.5
0.4
0.3
0.2
V
CE
= 5.0V
0.1
0.0
10
100
1000
I
F
= 5mA
1.0
0.9
0.8
Fig. 4 CTR vs. RBE (Saturated)
V
CE
= 0.3V
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
10
100
1000
I
F
= 5mA
I
F
= 10mA
I
F
= 20mA
R
BE
– BASE RESISTANCE (kΩ)
R
BE
– BASE RESISTANCE (kΩ)
Fig. 5 Switching Speed vs. Load Resistor
1000
I
F
= 10mA
V
CC
= 10V
T
A
= 25˚C
Fig. 6 Normalized t
on
vs. R
BE
5.0
NORMALIZED t
on
– (t
on(R
BE
)
/ t
on(open)
)
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
10
100
V
CC =
10V
I
C
= 2mA
R
L
= 100Ω
SWITCHING SPEED (µs)
T
f
T
off
10
T
on
1
T
r
100
1000
10000
100000
0.1
0.1
1
10
100
R
BE
– BASE RESISTANCE (kΩ)
R – LOAD RESISTOR (kΩ)
©2006 Fairchild Semiconductor Corporation
CYN17XM, CNY17FXM, MOC810XM Rev. 1.0.7
www.fairchildsemi.com
5
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
