FOD2712 Fairchild Optoelectronics Group, FOD2712 Datasheet - Page 4

• Manufacturer Part Number: FOD2712
• Description: OPTOISOLATOR ERROR AMP 8SOIC
• Manufacturer: Fairchild Optoelectronics Group

Specifications of FOD2712

• Number Of Channels: 1
• Input Type: DC
• Voltage - Isolation: 2500Vrms
• Current Transfer Ratio (min): 100% @ 10mA
• Current Transfer Ratio (max): 200% @ 10mA
• Voltage - Output: 30V
• Current - Output / Channel: 50mA
• Vce Saturation (max): 400mV
• Output Type: Transistor
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Dc Forward (if): -
• Other names: FOD2712FS; FOD2712FS; FOD2712_NL; FOD2712_NL

©2003 Fairchild Semiconductor Corporation
FOD2712 Rev. 1.0.0
Electrical Characteristics
Input Characteristics
Notes:
1. The deviation parameters V
2. The dynamic impedance is defined as |Z
V
I
Symbol
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:
where T
|Z
Z
V
I
V
I
(OFF)
V
OUT, TOT
REF
V
COMP
OUT
V
REF
REF
F
REF
|
ppm/°C
A
LED Forward Voltage
Reference Voltage
Deviation of V
See Note 1
Ratio of Vref Variation to the Output of the
Error Amplifier
Feedback Input Current
Deviation of I
See Note 1
Minimum Drive Current
Off-state Error Amplifier Current
Error Amplifier Output Impedance
See Note 2
=
is the rated operating free-air temperature range of the device.
-40°C to +85°C
25°C
------- -
V
I
=
Z
OUT
---------------------------------------------------------------------------------------------------- -
V
REF
REF DEV
REF
Parameter
REF
REF(DEV)
Over Temperature
1
over temperature
+
, is defined as:
R1
------- -
R2
/V
(V
REF
CC
and I
= 12V, T
T
OUT
T
A
REF(DEV)
A
=
| = V
25°C
A
= 25°C unless otherwise specified)
COMP
are defined as the differences between the maximum and
I
(Fig.1)
V
(Fig.1)
T
I
V
(Fig. 2)
I
(Fig. 3)
T
V
V
V
I
f < 1kHZ
LED
LED
LED
LED
4
/ I
A
A
10
COMP
COMP
COMP
LED
COMP
= -40 to +85°C
= -40 to +85°C
LED
6
Test Conditions
= 10mA, V
= 10 mA,
= 10mA, R1 = 10k
= 0.1mA to 15mA,
= 6V, V
. When the device is operating with two external
= V
= V
= V
= V
FB
REF
FB
FB
FB
, I
,
(Fig.1)
LED
to 12V
COMP
= 0 (Fig.4)
= 10mA
= V
FB
1.221
1.228 1.240 1.252
Min.
0.001
Typ. Max.
0.15
0.15
0.25
-1.5
55
4
1.259
-2.7
1.5
0.5
0.3
0.1
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12
80
mV/V
Unit
mV
µA
µA
µA
µA
V
V