FOD2711 Datasheet

IC型號：
FOD2711
PDF描述：
optically isolated error amplifier
文件大?。?/label>
594.69KB
PDF頁數(shù)：
15頁
芯片廠家：
FAIRCHILD

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OPTICALLY ISOLATED

ERROR AMPLIFIER

FOD2711

DESCRIPTION

The FOD2711 Optically Isolated Ampli鏗乪r consists of the popular RC431A precision

programmable shunt reference and an optocoupler. The optocoupler is a gallium arsenide

(GaAs) light emitting diode optically coupled to a silicon phototransistor. The reference

voltage tolerance is 1%. The current transfer ratio (CTR) ranges from 100% to 200%.

It is primarily intended for use as the error ampli鏗乪r/reference voltage/optocoupler

function in isolated ac to dc power supplies and dc/dc converters.

When using the FOD2711, power supply designers can reduce the component count and

save space in tightly packaged designs. The tight tolerance reference eliminates the need

for adjustments in many applications.

The device comes in a 8-pin dip white package.

FUNCTIONAL BLOCK DIAGRAM

FEATURES

鈥?/div>

Optocoupler, precision reference and error ampli鏗乪r in single package

1.240V 鹵 1% reference

CTR 100% to 200%

5,000V RMS isolation

UL approval E90700, Volume 2

CSA approval 1296837

VDE approval 40002463

BSI approval 8702, 8703

8 LED

7 FB

6 COMP

APPLICATIONS

鈥?Power supplies regulation

鈥?DC to DC converters

5 GND

PIN DEFINITIONS

Pin Number

Pin Name

GND

COMP

LED

Pin function description

Not connected

Phototransistor Collector

Phototransistor Emitter

Not connected

Ground

Error Ampli鏗乪r Compensation. This pin is the output of the error ampli鏗乪r. *

Voltage Feedback. This pin is the inverting input to the error ampli鏗乪r

Anode LED. This pin is the input to the light emitting diode.

* The compensation network must be attached between pins 6 and 7.

漏 2003 Fairchild Semiconductor Corporation

Page 1 of 15

4/14/03

標準包裝
1,000
類別
隔離器
家庭
光隔離器 - 晶體管，光電輸出
系列
-
通道數(shù)
1
輸入類型
DC
電壓 - 隔離
5000Vrms
電流傳輸比（最小值）
100% @ 10mA
電流傳輸比（最大）
200% @ 10mA
輸出電壓
30V
電流 - 輸出 / 通道
50mA
電流 - DC 正向(If)
-
Vce飽和（最大）
400mV
輸出類型
晶體管
安裝類型
通孔
封裝/外殼
8-DIP（0.300"，7.62mm）
包裝
管件

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