CNX36 Fairchild Semiconductor, CNX36 Datasheet - Page 4

• Manufacturer Part Number: CNX36
• Description: 6-PIN PHOTOTRANSISTOR OPTOCOUPLERS
• Manufacturer: Fairchild Semiconductor

www.fairchildsemi.com
1.8
1.6
1.4
1.2
1.0
1.2
1.0
0.8
0.6
0.4
0.2
-75
1
Normalized To CTR at:
I
V
T
F
Fig. 3 LED Forward Voltage vs. Forward Current
A
CE
=10mA
= 25
= 5V
-50
o
Fig. 5 Normalized CTR vs. Temperature
C
I
F
-25
AMBIENT TEMPERATURE T
- LED FORWARD CURRENT (mA)
I
I
I
F
F
F
V
Fig. 1 Switching Test Circuit
= 10mA
= 5mA
= 20mA
I
0
50
10
25
T
T
T
A
A
A
= 100
= -55
= 25
o
o
C
o
C
C
50
A
- (
o
R
C)
75
L
V
+V
O
100
CC
100
125
4 OF 8
Fig. 2 Switching Test Waveforms
V
V
0
0
O
1.5
1.0
0.5
0.0
I
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
CNX35U CNX36U CNX38U CNX39U
6-PIN PHOTOTRANSISTOR
0
10
90%
V
T
Fig. 4 Normalized CTR vs. Forward Current
t
on
CE
A
= 25
= 5.0V
o
C
Fig. 6 CTR vs. RBE (Unsaturated)
5
FORWARD CURRENT - I
R
BE
t
off
- BASE RESISTANCE (k
OPTOCOUPLERS
10%
100
10
I
F
I
F
= 5mA
I
F
= 10mA
= 20mA
F
(mA)
5/23/01
15
Normalized to
I
F
V
= 10mA
CE
= 5.0V
DS300401
1000
20