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4N25M Datasheet(PDF) 5 Page - Fairchild Semiconductor

Part No. 4N25M
Description  General Purpose 6-Pin Phototransistor Optocouplers
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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4N25M Datasheet(HTML) 5 Page - Fairchild Semiconductor

   
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©2005 Fairchild Semiconductor Corporation
www.fairchildsemi.com
4NXXM, H11AXM Rev. 1.0.0
5
Fig. 8 Normalized ton vs. RBE
RBE- BASE RESISTANCE (k Ω)
10
100
1000
10000
100000
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
VCC = 10 V
IC = 2 mA
RL = 100 Ω
Fig. 7 Switching Speed vs. Load Resistor
R-LOAD RESISTOR (k
Ω)
0.1
1
10
100
0.1
1
10
100
1000
Toff
IF = 10 mA
VCC = 10 V
TA = 25°C
Tr
Ton
Tf
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
VCC = 10 V
IC = 2 mA
RL = 100 Ω
10
100
1000
10000
100000
RBE- BASE RESISTANCE (k Ω)
Fig. 9 Normalized toff vs. RBE
Fig. 10 Dark Current vs. Ambient Temperature
TA - AMBIENT TEMPERATURE (°C)
020
40
6080
100
0.001
0.01
0.1
1
10
100
1000
10000
VCE = 10 V
TA = 25°C
OUTPUT PULSE
INPUT PULSE
TEST CIRCUIT
WAVE FORMS
tr
tf
INPUT
IF
RL
RBE
VCC = 10V
OUTPUT
ton
10%
90%
toff
Figure 11. Switching Time Test Circuit and Waveforms
IC
Adjust IF to produce IC = 2 mA


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