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CNX38U300 View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
View to exact match
CNX38U300
Fairchild
Fairchild Semiconductor Fairchild
CNX38U300 Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
6-PIN PHOTOTRANSISTOR
OPTOCOUPLERS
CNX35U CNX36U CNX38U CNX39U
VI
50
+VCC
VO
RL
Fig. 1 Switching Test Circuit
VI
0
VO
90%
10%
0
ton
toff
Fig. 2 Switching Test Waveforms
Fig. 3 LED Forward Voltage vs. Forward Current
1.8
1.6
1.4
TA = -55oC
TA = 25oC
1.2
TA = 100oC
Fig. 4 Normalized CTR vs. Forward Current
1.5
VCE = 5.0V
TA = 25 oC
1.0
Normalized to
IF = 10mA
0.5
1.0
1
10
100
IF - LED FORWARD CURRENT (mA)
0.0
0
5
10
15
20
FORWARD CURRENT - I F (mA)
Fig. 5 Normalized CTR vs. Temperature
1.2
IF = 10mA
1.0
IF = 5mA
IF = 20mA
0.8
0.6
0.4
Normalized To CTR at:
IF =10mA
VCE = 5V
TA = 25oC
0.2
-75
-50
-25
0
25
50
75
AMBIENT TEMPERATURE T A - (oC)
100
125
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
10
www.fairchildsemi.com
4 OF 8
Fig. 6 CTR vs. RBE (Unsaturated)
IF = 20mA
IF = 10mA
VCE = 5.0V
IF = 5mA
100
1000
RBE - BASE RESISTANCE (k Ω)
5/23/01 DS300401
 

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