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参数资料
| 型号： | FOD2743BTV |
| 厂商： | Fairchild Optoelectronics Group |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | OPTOCOUPLER TRANS OUT 1% 8DIP |
| 标准包装： | 1,000 |
| 通道数： | 1 |
| 输入类型： | DC |
| 电压 - 隔离： | 5000Vrms |
| 电流传输比（最小值）： | 50% @ 1mA |
| 电流传输比（最大）： | 100% @ 1mA |
| 输出电压： | 70V |
| 电流 - 输出 / 通道： | 50mA |
| Vce饱和（最大）： | 400mV |
| 输出类型： | 晶体管 |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.400"，10.16mm） |
| 包装： | 管件 |
August 2008
FOD2743A, FOD2743B, FOD2743C
Optically Isolated Error Amplifier
Features
■ Optocoupler, precision reference and error amplifier in
a single package
Description
The FOD2743 Optically Isolated Amplifier consists of the
popular KA431 precision programmable shunt reference
■
■
■
■
■
■
2.5V reference
CTR 50% to 100% at 1mA
5,000V RMS isolation
UL approval E90700, Vol. 2
CSA approval 1296837
VDE approval pending
BSI approval pending
Low temperature coefficient 50ppm/°C max
FOD2743A: tolerance 0.5%
FOD2743B: tolerance 1%
FOD2743C: tolerance 2%
and an optocoupler. The optocoupler is a gallium ars-
enide (GaAs) light emitting diode optically coupled to a
silicon phototransistor. It comes in 3 grades of reference
voltage tolerance = 2%, 1%, and 0.5%.
The Current Transfer Ratio (CTR) ranges from 50% to
100%. It also has an outstanding temperature coefficient
of 50 ppm/°C. It is primarily intended for use as the error
amplifier/reference voltage/optocoupler function in iso-
lated AC to DC power supplies and dc/dc converters.
When using the FOD2743, power supply designers can
reduce the component count and save space in tightly
packaged designs. The tight tolerance reference elimi-
Applications
■ Power supplies regulation
■ DC to DC converters
Functional Bock Diagram
nates the need for adjustments in many applications.
The device comes in an 8-pin dip white package.
Package Outlines
LED
1
8 NC
8
COMP
GND
2
3
7 C
6 E
1
FB
4
5 NC
8
1
8
1
?2004 Fairchild Semiconductor Corporation
FOD2743A, FOD2743B, FOD2743C Rev. 1.0.1
www.fairchildsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| FOD2743BV | 功能描述:光隔离放大器 Error Amp Coupler Transistor Output RoHS:否 制造商:Avago Technologies 绝缘电压:5000 Vrms 参考电压: 电流传递比: 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| FOD2743C | 功能描述:光隔离放大器 Error Amp Coupler Transistor Output RoHS:否 制造商:Avago Technologies 绝缘电压:5000 Vrms 参考电压: 电流传递比: 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| FOD2743CS | 功能描述:光隔离放大器 Error Amp Coupler Transistor Output RoHS:否 制造商:Avago Technologies 绝缘电压:5000 Vrms 参考电压: 电流传递比: 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| FOD2743CSD | 功能描述:光隔离放大器 Error Amp Coupler Transistor Output RoHS:否 制造商:Avago Technologies 绝缘电压:5000 Vrms 参考电压: 电流传递比: 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| FOD2743CSDV | 功能描述:光隔离放大器 Error Amp Coupler Transistor Output RoHS:否 制造商:Avago Technologies 绝缘电压:5000 Vrms 参考电压: 电流传递比: 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
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