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参数资料
| 型号： | FOD2741AS |
| 厂商： | Fairchild Optoelectronics Group |
| 文件页数： | 4/15页 |
| 文件大小： | 0K |
| 描述： | OPTOISOLATOR ERROR AMP 8-SMD |
| 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）： | 100% @ 10mA |
| 电流传输比（最大）： | 200% @ 10mA |
| 输出电压： | 30V |
| 电流 - 输出 / 通道： | 50mA |
| Vce饱和（最大）： | 400mV |
| 输出类型： | 晶体管 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SMD |
| 包装： | 管件 |
| 其它名称： | FOD2741ASFS FOD2741ASFS-ND FOD2741AS_NL FOD2741AS_NL-ND |
Electrical Characteristics (T A = 25°C unless otherwise speci?ed)
Input Characteristics
Symbol
Parameter
Test Conditions
Device
Min.
Typ. Max. Unit
V F
LED Forward Voltage
I LED = 10mA, V COMP = V FB (Fig.1)
All
1.5
V
V REF
Reference Voltage
I LED = 10mA, V COMP = V FB
FOD2741A
2.482
2.495
2.508
V
FOD2741B
2.470
2.495
2.520
V
FOD2741C 2.450
2.500
2.550
V
V REF (DEV)(4) Deviation of V REF Over T A = -25°C to +85°C
All
4.5
17
mV
Temperature
? V COMP = 36V to 10V
?V REF /
? V COMP
Ratio of V REF Variation I LED = 10mA ? V COMP = 10V to V REF
to the Output of the
Error Ampli?er
All
-1.0
-0.5
-2.7
-2.0
mV/V
I REF
Feedback Input
I LED = 10mA, R 1 = 10k ? (Fig. 3)
All
1.5
4
μA
Current
I REF (DEV)(4) Deviation of I REF Over
T A = -25°C to +85°C
All
0.4
1.2
μA
Temperature
I LED (MIN)
Minimum Drive Current V COMP = V FB (Fig. 1)
All
0.45
1.0
mA
I (OFF)
Off-state Error
V LED = 37V, V FB = 0 (Fig. 4)
All
0.05
1.0
μA
Ampli?er Current
|Z OUT |
Error Ampli?er Output
impedance (5)
V COMP = V REF , I LED = 1mA to 20mA,
f ≥ 1.0 kHz
All
0.15
0.5
?
Output Characteristics
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
I CEO
BV ECO
BV CEO
Collector Dark Current
Emitter-Collector Voltage Breakdown
Collector-Emitter Voltage Breakdown
V CE = 10V (Fig. 5)
I E = 100μA
I C = 1.0mA
7
70
50
nA
V
V
Transfer Characteristics
Symbol Parameter
Test Conditions
Min.
Typ.
Max.
Unit
CTR
Current Transfer Ratio
I LED = 10mA, V COMP = V FB ,
100
200
%
V CE = 5V (Fig. 6)
V CE (SAT) Collector-Emitter Saturation
Voltage
I LED = 10mA, V COMP = V FB,
I C = 2.5mA (Fig. 6)
0.4
V
{ V REF ( DEV ) /V REF ( T A = 25°C ) } × 10
? T A
Z OUT, TOT = -------- ≈ Z OUT × 1 + --------
Notes:
4. The deviation parameters V REF(DEV) and I REF(DEV) are defined as the differences between the maximum and
minimum values obtained over the rated temperature range. The average full-range temperature coefficient of the
reference input voltage, ? V REF , is defined as:
6
? V REF ( ppm/°C ) = -----------------------------------------------------------------------------------------------------
where ? T A is the rated operating free-air temperature range of the device.
5. The dynamic impedance is defined as |Z OUT | = ? V COMP / ? I LED . When the device is operating with two external
resistors (see Figure 2), the total dynamic impedance of the circuit is given by:
? V R1
? I R2
?2004 Fairchild Semiconductor Corporation
FOD2741A, FOD2741B, FOD2741C Rev. 1.0.1
4
www.fairchildsemi.com
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| FOD2741AT | 功能描述:光隔离放大器 Error amplifier Optocoupler 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 |
| FOD2741AT_Q | 功能描述:光隔离放大器 Error amplifier Optocoupler 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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