FOD2712 Datasheet

IC型號：
FOD2712
PDF描述：
OPTICALLY ISOLATED ERROR AMPLIFIER
文件大小：
581.58KB
PDF頁數(shù)：
13頁
芯片廠家：
FAIRCHILD

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OPTICALLY ISOLATED

ERROR AMPLIFIER

FOD2712

DESCRIPTION

The FOD2712 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%.

SEATING PLANE

PACKAGE DIMENSIONS

0.164 (4.16)

0.144 (3.66)

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 FOD2712, 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 compact 8-pin small outline package.

0.202 (5.13)

0.182 (4.63)

0.143 (3.63)

0.123 (3.13)

0.010 (0.25)

0.006 (0.16)

FEATURES

鈥?Optocoupler, precision reference and

error ampli鏗乪r in single package

鈥?1.240V 鹵 1% reference

鈥?CTR 100% to 200%

鈥?2,500V RMS isolation

鈥?VDE approval 136616

鈥?BSI approval 8661 and 8662

鈥?UL approval E90700

鈥?CSA approval 1113643

FUNCTIONAL BLOCK DIAGRAM

0.021 (0.53)

0.011 (0.28)

0.008 (0.20)

0.003 (0.08)

0.050 (1.27)

TYP

0.244 (6.19)

0.224 (5.69)

Lead Coplanarity : 0.004 (0.10) MAX

8 LED

7 FB

6 COMP

APPLICATIONS

鈥?Power system for workstations

鈥?Telecom central of鏗乧e supply

鈥?Telecom bricks

5 GND

NOTE

All dimensions are in inches (millimeters)

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 13

4/10/03

標(biāo)準(zhǔn)包裝
3,000
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
2500Vrms
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
表面貼裝
封裝/外殼
8-SOIC（0.154"，3.90mm 寬）
包裝
管件
其它名稱
FOD2712FSFOD2712FS-NDFOD2712_NLFOD2712_NL-ND

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