FOD2742B Fairchild Semiconductor, FOD2742B Datasheet - Page 8

• 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
1000
100
160
140
120
100
0.1
10
80
60
40
35
30
25
20
15
10
1
5
0
-40
1
0
V
T
V
CE
A
CE
Fig. 14 – Dark Current vs. Ambient Temperature
= 25°C
Fig. 16 – Current Transfer Ratio vs. LED Current
= 5V
Fig. 18 – Collector Current vs. Collector Voltage
= 10V
1
-20
2
V
0
T
CE
3
I
A
LED
- Ambient Temperature (°C)
- Collector-Emitter Voltage (V)
- Forward Current (mA)
4
20
10
5
25°C
70°C
0°C
40
6
I
60
I
LED
7
LED
I
I
LED
LED
= 1mA
= 20mA
= 10mA
= 5mA
8
80
FOD2742B
9
100
100
10
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-0.22
-0.24
-0.26
-0.28
-0.30
-0.32
-0.34
-0.36
-0.38
-0.40
-0.42
-0.44
0.26
0.24
0.22
0.20
0.18
0.16
0.14
0.12
0.10
30
25
20
15
10
5
0
-40
-40
0
Fig. 17 – Saturation Voltage vs. Ambient Temperature
V
Fig. 19 – Rate of Change Vref to Vout vs. Temperature
I
I
Fig. 15 – Collector Current vs. Ambient Temperature
LED
C
CE
= 2.5mA
10
= 5V
= 10mA
OPTICALLY ISOLATED
-20
-20
20
T
0
T
0
30
ERROR AMPLIFIER
A
A
- Ambient Temperature (°C)
- Ambient Temperature (°C)
40
I
Temperature - °C
LED
20
20
I
I
I
LED
LED
LED
= 1mA
50
= 10mA
= 5mA
= 20mA
40
40
60
70
60
60
FOD2742C
80
80
80
90
100
100
100
12/9/04