FOD2742BR2 Fairchild Semiconductor, FOD2742BR2 Datasheet - Page 2

• Manufacturer Part Number: FOD2742BR2
• Description: NPN-Output Dc-Input Optocoupler,1-CHANNEL,2.5kV ISOLATION,SO
• Manufacturer: Fairchild Semiconductor

Specifications of FOD2742BR2

• Input Type: DC
• Output Type: DC
• Output Device: Transistor
• Number Of Elements: 1
• Forward Voltage: 1.5V
• Forward Current: 20mA
• Collector-emitter Voltage: 70V
• Package Type: SOIC W
• Collector Current (dc) (max): 50mA
• Isolation Voltage: 2500Vrms
• Power Dissipation: 145mW
• Collector-emitter Saturation Voltage: 0.4V
• Current Transfer Ratio: 200%
• Pin Count: 8
• Mounting: Surface Mount
• Operating Temp Range: -25C to 85C
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

©2003 Fairchild Semiconductor Corporation
FOD2742A, FOD2742B, FOD2742C Rev. 1.0.1
Pin Definitions
*The compensation network must be attached between pins 6 and 7.
Typical Application
Pin Number
V
1
1
2
3
4
5
6
7
8
FAN4803
Control
Pin Name
PWM
COMP
GND
LED
NC
NC
FB
C
E
Not connected
Phototransistor Collector
Phototransistor Emitter
Not connected
Ground
Error Amplifier Compensation. This pin is the output of the error amplifier.*
Voltage Feedback. This pin is the inverting input to the error amplifier
Anode LED. This pin is the input to the light emitting diode.
2
3
FOD2742
2
Functional Description
8
6
7
5
R1
R2
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V
O