FOD2742B Fairchild Semiconductor, FOD2742B Datasheet - Page 7

• Manufacturer Part Number: FOD2742B
• Description: Transistor Output Optocouplers Error amplifier Optocoupler
• Manufacturer: Fairchild Semiconductor

Specifications of FOD2742B

• Maximum Input Diode Current: 20 mA
• Output Device: Transistor
• Output Type: DC
• Configuration: 1
• Input Type: DC
• Maximum Collector Emitter Voltage: 70 V
• Maximum Collector Emitter Saturation Voltage: 400 mV
• Isolation Voltage: 2500 Vrms
• Current Transfer Ratio: 200 %
• Maximum Forward Diode Voltage: 1.5 V
• Maximum Collector Current: 50 mA
• Maximum Power Dissipation: 145 mW
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 25 C
• Package / Case: SOIC-8 Narrow
• No. Of Channels: 1
• Optocoupler Output Type: Phototransistor
• Input Current: 10mA
• Output Voltage: 70V
• Opto Case Style: SOIC
• No. Of Pins: 8
• Svhc: No SVHC (15-Dec-2010)
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: FOD2742B_NL

© 2003 Fairchild Semiconductor Corporation
FOD2742A
TYPICAL PERFORMANCE CURVES
2.510
2.508
2.506
2.504
2.502
2.500
2.498
2.496
2.494
2.492
2.490
100
-10
-15
15
10
10
-5
5
0
1
-40
-40
-1
T
V
I
V
Fig. 10 – Reference Voltage vs. Ambient Temperature
LED
A
COMP
LED
Fig. 12 – Off-State Current vs. Ambient Temperature
= 25°C
= 10mA
= 37V
Fig. 9a – LED Current vs. Cathode Voltage
-20
-20
= V
FB
0
0
0
T
V
T
A
A
COMP
- Ambient Temperature (°C)
- Ambient Temperature (°C)
- Cathode Voltage (V)
20
20
1
40
40
60
60
2
80
80
FOD2742B
100
100
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3
-0.5
-1.0
1.0
0.5
0.0
15
10
20
3
2
5
-40
0.9
-1
Fig. 11 – Reference Current vs Ambient Temperature
I
R1 = 10kΩ
T
V
LED
A
COMP
OPTICALLY ISOLATED
= 25°C
= 10mA
Fig. 13 – Forward Current vs. Forward Voltage
Fig. 9b – LED Current vs. Cathode Voltage
-20
= V
1.0
FB
ERROR AMPLIFIER
0
0
T
V
A
COMP
V
- Ambient Temperature (°C)
F
- Forward Voltage (V)
1.1
- Cathode Voltage (V)
20
70°C
1
40
1.2
25°C
FOD2742C
60
0°C
2
1.3
80
12/9/04
100
1.4
3