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參數資料
| 型號： | FOD2743C |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 光電耦合器 |
| 英文描述： | OPTICALLY ISOLATED ERROR AMPLIFIER |
| 中文描述： | 1 CHANNEL TRANSISTOR OUTPUT OPTOCOUPLER |
| 封裝： | DIP-8 |
| 文件頁數： | 3/15頁 |
| 文件大小： | 619K |
| 代理商： | FOD2743C |
4/8/04
Page 3 of 15
2004 Fairchild Semiconductor Corporation
OPTICALLY ISOLATED
ERROR AMPLIFIER
FOD2743A
FOD2743B
FOD2743C
1. The deviation parameters V
obtained over the rated temperature range. The average full-range temperature coefficient of the reference input voltage,
is defined as:
10
6
×
A
REF(DEV)
and I
REF(DEV)
are defined as the differences between the maximum and minimum values
V
REF
,
where
T
A
is the rated operating free-air temperature range of the device.
2. The dynamic impedance is defined as |Z
Figure 2), the total dynamic impedance of the circuit is given by:
OUT
| =
V
COMP
/
I
LED
. When the device is operating with two external resistors (see
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C Unless otherwise specified.)
INPUT CHARACTERISTICS
Parameter
Test Conditions
Symbol
Device
Min.
Typ.
Max.
Unit
LED Forward Voltage
(I
LED
= 1 mA, V
COMP
= V
FB
) (fig.1)
V
F
ALL
1.07
1.2
V
Reference Voltage
I
LED
= 1 mA, V
COMP
= V
FB
V
REF
A
2.482
2.495
2.508
V
B
2.470
2.495
2.520
V
C
2.450
2.500
2.550
V
Deviation of V
temperature
REF
over
T
A
= -25°C to +85°C
V
REF (DEV)
ALL
4.5
17
mV
Ratio of V
output of the error amplifier
REF
variation to the
I
LED
= 1 mA
V
COMP
V
COMP
= 10V to V
REF
V
V
REF
/
COMP
ALL
-0.4
-2.7
mV/
V
= 36V to 10V
-0.3
-2.0
Feedback Input Current
I
LED
= 1mA, R
1
= 10k
(fig 3)
I
REF
ALL
2
4
μA
Deviation of I
temperature
REF
over
T
A
= -25°C to +85°C
I
REF (DEV)
ALL
1
1.2
μA
Minimum Drive Current
V
COMP
= V
FB
(fig.1)
I
LED (MIN)
I
(OFF)
ALL
0.45
1.0
mA
Off-state error amplifier current
V
LED
= 37V, V
FB
= 0 (fig 4.)
ALL
0.001
1.0
μA
Error amplifier output impedance
(see note 2)
V
COMP
= V
REF
, I
LED
= 1mA to 20mA,
f
≥
1.0 kHz
|Z
OUT
|
ALL
0.15
0.5
V
REF
ppm/°C
(
)
V
-------------------------------------------------T
/V
T
A
25°C
=
(
)
{
}
=
Z
OUT, TOT
=
V
I
-------
Z
OUT
1
R2
+
×
≈
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| FOD2743CSD | 功能描述:光隔離放大器 Error Amp Coupler Transistor Output RoHS:否 制造商:Avago Technologies 絕緣電壓:5000 Vrms 參考電壓: 電流傳遞比: 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| FOD2743CSDV | 功能描述:光隔離放大器 Error Amp Coupler Transistor Output RoHS:否 制造商:Avago Technologies 絕緣電壓:5000 Vrms 參考電壓: 電流傳遞比: 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| FOD2743CSV | 功能描述:光隔離放大器 Error Amp Coupler Transistor Output RoHS:否 制造商:Avago Technologies 絕緣電壓:5000 Vrms 參考電壓: 電流傳遞比: 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| FOD2743CT | 功能描述:光隔離放大器 Error Amp Coupler Transistor Output RoHS:否 制造商:Avago Technologies 絕緣電壓:5000 Vrms 參考電壓: 電流傳遞比: 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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