FOD2742A Fairchild Semiconductor, FOD2742A Datasheet - Page 4

Transistor Output Optocouplers Error amplifier Optocoupler

FOD2742A

Manufacturer Part Number
FOD2742A
Description
Transistor Output Optocouplers Error amplifier Optocoupler
Manufacturer
Fairchild Semiconductor
Datasheet

Specifications of FOD2742A

Maximum Input Diode Current
20 mA
Output Device
Phototransistor
Output Type
DC
Configuration
1 Channel
Input Type
DC
Maximum Collector Emitter Voltage
70 V
Maximum Collector Emitter Saturation Voltage
0.4 V
Isolation Voltage
2500 Vrms
Current Transfer Ratio
200 %
Maximum Forward Diode Voltage
1.5 V
Maximum Collector Current
50 mA
Maximum Power Dissipation
145 mW
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 25 C
Package / Case
SOIC-8 Narrow
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
FOD2742A_NL

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
FOD2742AR2
Manufacturer:
FAIRCHIL
Quantity:
800
Part Number:
FOD2742AR2
Manufacturer:
FAIRCHILD/仙童
Quantity:
20 000
©2003 Fairchild Semiconductor Corporation
FOD2742A, FOD2742B, FOD2742C Rev. 1.0.1
Electrical Characteristics
Input Characteristics
Notes:
1. The deviation parameters V
2. The dynamic impedance is defined as |Z
V
Symbol
I
I
REF (DEV)
LED (MIN)
REF (DEV)
minimum values obtained over the rated temperature range. The average full-range temperature coefficient of the
reference input voltage, V
resistors (see Figure 2), the total dynamic impedance of the circuit is given by:
|Z
where T
Z
V
I
V
I
(OFF)
REF
V
V
OUT, TOT
COMP
OUT
REF
V
F
RE
REF
|
ppm/°C
LED Forward Voltage
Reference Voltage
Deviation of V
Temperature
Ratio of V
the Output of the Error
Amplifier
Feedback Input Current
Deviation of I
Temperature
Minimum Drive Current
Off-state Error Amplifier
Current
Error Amplifier Output
Impedance (see note 2)
A
=
is the rated operating free-air temperature range of the device.
------- -
V
I
Parameter
=
REF
Z
OUT
---------------------------------------------------------------------------------------------------- -
REF
V
REF
Variation to
REF DEV
Over
Over
REF
REF(DEV)
1
+
, is defined as:
R1
------- -
R2
/V
(T
A
REF
and I
I
I
T
I
(Fig. 2)
I
T
V
V
V
f
= 25°C unless otherwise specified)
LED
LED
LED
LED
A
A
COMP
LED
COMP
T
= -25°C to +85°C (Fig. 1)
= -25°C to +85°C (Fig. 3)
1.0kHz
OUT
T
A
REF(DEV)
= 10mA, V
= 10mA, V
= 10mA
= 10mA, R
A
= 37V, V
=
| = V
= V
= V
25°C
Test Conditions
FB
REF
COMP
(Fig. 1)
FB
, I
are defined as the differences between the maximum and
COMP
COMP
1
LED
V
V
= 0 (Fig. 4)
= 10K
COMP
COMP
4
/ I
10
= 1mA to 20mA,
= V
= V
LED
6
= 10V to V
= 36V to 10V
FB
FB
(Fig. 3)
. When the device is operating with two external
(Fig. 1)
(Fig. 1)
REF
Device Min.
All
All
All
All
All
All
All
All
C
A
B
2.482
2.470
2.450
2.495
2.495
2.500
Typ. Max. Unit
1.20
0.45
0.01
0.15
-0.5
-0.3
3.5
2.2
1.0
www.fairchildsemi.com
2.508
2.520
2.550
-2.7
-2.0
1.5
1.2
1.0
1.0
0.5
17
4
mV/
mV
mA
µA
µA
µA
V
V
V
V
V

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