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FOD050L Datasheet, PDF (5/13 Pages) Fairchild Semiconductor – HIGH SPEED TRANSISTOR OPTOCOUPLERS
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SINGLE-CHANNEL: FOD050L
DUAL-CHANNEL: FOD053L
LVTTL/LVCMOS 3.3V
HIGH SPEED TRANSISTOR
OPTOCOUPLERS
FOD250L
Fig. 1 LED Forward Current vs. Forward Voltage
100
10
TA = 85°C
TA = 70°C
1
TA = 25°C
0.1
TA = -40°C
TA = 0°C
0.01
0.001
0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7
VF - Forward Voltage (V)
Fig. 2 Current Transfer Ratio vs. Forward Current
(FOD050L, FOD053L)
1.3
VO = 0.4V
VCC = 3.3V
1.2
Normalized to
IF = 16mA, TA = 25°C
1.1
TA = 70°C
TA = 85°C
T A = 25°C
1.0
0.9
TA = 0C°C
0.8
0.7
0.6
0
TA = -40°C
5
10
15
20
25
IF - Forward Current (mA)
Fig. 3 Current Transfer Ratio vs. Input Forward Current
(FOD250L)
1.4
VO = 0.4V
1.3 VCC = 3.3V
TA = 85°C
Normalized to
IF = 16mA, TA = 25°C
1.2
TA = 70°C
1.1
TA = 25°C
1.0
0.9
TA = 0°C
0.8
0.7
TA = -40°C
0.6
0.5
0
5
10
15
20
25
IF - Forward Current (mA)
Fig. 4 Current Transfer Ratio vs. Ambient Temperature
1.6
IF = 16mA
1.4 VO = 0.4V
VCC = 3.3V
1.2
1.6
Normalized to TA = 25°C
1.4
1.2
1.0
1.0
0.8
0.8
0.6
0.6
0.4
0.4
0.2
0.2
0.0
-40
-20
0
20
40
60
80
TA - Ambient Temperature (°C)
0.0
100
Fig. 5 Output Current vs. Output Voltage
12
TA = 25°C
VCC = 3.3V
10
8
6
IF = 25mA
20mA
15mA
4
10mA
2
5mA
0
0
2
4
6
8
10
12
14
16
VO - Output Voltage (V)
Fig 6. Logic High Output Current vs. Ambient Temperature
10
VO = VCC = 3.3V
IF = 0
1
0.1
0.01
-40
-20
0
20
40
60
80
100
TA - Ambient Temperature ( C)
© 2004 Fairchild Semiconductor Corporation
Page 5 of 13
6/14/04
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