FOD816 Series 4-Pin Phototransistor Optocouplers
July 2005
FOD816 Series
4-Pin Phototransistor Optocouplers
Features
■
■
■
■
■
■
AC input response
Applicable to Pb-free IR reflow soldering
Compact 4-pin package
High current transfer ratio: 600% minimum
Safety agency approvals pending
High input-output isolation voltage of 5000Vrms
Applications
■
Power supply regulators
■
Digital logic inputs
■
Microprocessor inputs
Description
The FOD816 consists of two gallium arsenide infrared emitting
diodes, connected in inverse parallel, driving a silicon photodar-
lington output in a 4-pin dual in-line package.
Functional Block Diagram
ANODE, CATHODE 1
4 COLLECTOR
4
CATHODE, ANODE 2
3 EMITTER
1
Absolute Maximum Ratings
(T
A
= 25°C Unless otherwise specified.)
Parameter
TOTAL DEVICE
Storage Temperature
Operating Temperature
Lead Solder Temperature
Total Power Dissipation
INPUT
Forward Current
Power Dissipation
OUTPUT
Collector-Emitter Voltage
Emitter-Collector Voltage
Collector Current
Collector Power Dissipation
V
CEO
V
ECO
I
C
P
C
35
6
80
150
V
V
mA
mW
I
F
P
±50
70
mA
mW
T
STG
T
OPR
T
SOL
P
TOT
-55 to +125
-30 to +100
260 for 10 sec
200
°C
°C
°C
mW
Symbol
Value
Units
©2005 Fairchild Semiconductor Corporation
1
www.fairchildsemi.com
FOD816 Series Rev. 1.0.3
FOD816 Series 4-Pin Phototransistor Optocouplers
Electrical/Characteristics
(T
A
= 25°C Unless otherwise specified.)
Individual Component Characteristics
Parameter
INPUT
Forward Voltage
Terminal Capacitance
OUTPUT
Collector Dark Current
Collector-Emitter Breakdown Voltage
Emitter-Collector Breakdown Voltage
(V
CE
= 10 V, I
F
= 0)
(I
C
= 0.1 mA, I
F
= 0)
(I
E
= 10 µA, I
F
= 0)
I
CEO
BV
CEO
BV
ECO
—
35
6
—
—
—
1
—
—
µA
V
V
(I
F
= ±20 mA)
(V = 0, f = 1 kHz)
V
F
C
t
—
—
1.2
50
1.4
250
V
pF
Test Conditions
Symbol
Min
Typ
Max
Unit
Transfer Characteristics
(T
A
= 25°C Unless otherwise specified.)
DC Characteristic
Collector Current
Current Transfer
Ratio
1
Test Conditions
(I
F
= ±1 mA, V
CE
= 2 V)
(I
F
= ±20 mA, I
C
= 5 mA)
(DC500V 40~60% R.H.)
(V = 0, f = 1 MHz)
(V
CE
= 5 V, I
C
= 2 mA, R
L
= 100
Ω
, -3dB)
(V
CE
= 2 V, I
C
= 10 mA, R
L
= 100
Ω
Symbol
I
C
CTR
V
CE (sat)
R
iso
C
f
f
C
t
r
t
f
Min
6
600
—
5x10
10
—
1
—
—
Typ
—
—
0.8
1x10
11
0.6
6
60
53
Max
75
7,500
1
—
1
—
300
250
Unit
mA
%
V
Ω
pF
KHz
µs
µs
Collector-Emitter Saturation Voltage
Isolation Resistance
Floating Capacitance
Cut-Off Frequency
Response Time (Rise)
Response Time (Fall)
Isolation Characteristics
Characteristic
Input-Output Isolation Voltage (note 3)
Isolation Resistance
Isolation Capacitance
Test Conditions
f = 60Hz, t = 1 min
(V
I-O
= 500 VDC)
(V
I-O
= 0, f = 1 MHz)
Symbol
V
ISO
R
ISO
C
ISO
Min
5000
5 x 10
10
Typ
10
11
0.6
Max
Units
Vac(rms)
Ω
1.0
pf
NOTES
1. Current Transfer Ratio (CTR) = I
C
/I
F
x 100%.
2
FOD816 Series Rev. 1.0.3
www.fairchildsemi.com
FOD816 Series 4-Pin Phototransistor Optocouplers
Typical Electrical/Optical Characteristic Curves
(T
A
= 25°C Unless otherwise specified.)
60
FORWARD CURRENT IF (mA)
50
40
30
20
10
0
-30
COLLECTOR POWER DISSIPATION PC (mW)
Fig. 1 Forward Current
vs. Ambient Temperature
Fig. 2 Collector Power Dissipation
vs. Ambient Temperature
200
150
100
50
0
-30
100 125
AMBIENT TEMPERATURE TA (°C)
0
25
50
75
100 125
AMBIENT TEMPERATURE TA (°C)
0
25
50
75
Fig. 3 Collector-Emitted Saturation Voltage
vs. Forward Current
8
COLLECTOR-EMITTER SATURATION
VOLTAGE VCE (sat) (V)
5mA
7mA
Fig. 4 Forward Current vs. Forward Voltage
500
FORWARD CURRENT IF (mA)
7
6
5
4
3
2
1
0
0
30mA
50mA
Ta = 25°C
200
100
50
20
10
5
2
1
Ta = 75°C
50°C
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
FORWARD CURRENT IF (mA)
Ic = 0.5mA
1mA
3mA
25°C
0°C
- 25°C
0
0.5
1.0
1.5
2.0
2.5
3.0
FORWARD VOLTAGE VF (V)
CURRENT TRANSFER RATIO CTR ( %)
2000
Fig. 5 Current Transfer Ratio
vs. Forward Current
100
V
CE
= 2V
Ta = 25°C
COLLECTOR CURRENT IC (mA)
Fig. 6 Collector Current
vs. Collector-Emitter Voltage
Ta = 25°C
80
I
F
= 10 mA
Pc(MAX.)
5mA
40
2mA
20
1mA
1600
1200
60
800
400
0
0.1
0.2
0.5
1
2
5
10
0
0
1
2
3
4
5
FORWARD CURRENT IF (mA)
COLLECTOR-EMITTER VOLTAGE VCE (V)
3
FOD816 Series Rev. 1.0.3
www.fairchildsemi.com
FOD816 Series 4-Pin Phototransistor Optocouplers
Typical Electrical/Optical Characteristic Curves
(T
A
= 25°C Unless otherwise specified.)
Fig. 7. Relative Current Transfer Ratio
vs. Ambient Temperature
COLLECTOR-EMITTER SATURATION
VOLTAGE VCE (sat) (V)
150
RELATIVE CURRENT TRANSFER
RATIO (%)
Fig. 8 Collector-Emitter Saturation Voltage
vs. Ambient Temperature
1.0
0.8
0.6
0.4
0.2
0
-25
0
25
50
75
100
AMBIENT TEMPERATURE TA (°C)
I
F
= 5mA
V
CE
= 2V
100
I
F
= 20mA
I
C
= 5mA
50
0
-30
0
25
50
75
100
AMBIENT TEMPERATURE TA (°C)
COLLECTOR DARK CURRENT ICEO (A)
Fig. 9 Collector Dark Current
vs. Ambient Temperature
10
-5
500
Fig. 10. Response Time
vs. Load Resistance
V
CE
= 2V
200
I
C
= 10mA
Ta = 25°C
100
50
20
10
5
2
1
0.5
td
ts
tr
tf
V
CE
= 20V
10
-6
10
-7
10
-8
10
-9
10
-10
10
-11
-25
RESPONSE TIME (µs)
0
25
50
75
100
AMBIENT TEMPERATURE TA (°C)
0.2
0.05
0.1 0.2
0.5
1
2
5
10
LOAD RESISTANCE RL (kΩ)
Fig. 11. Frequency Response
V
CE
= 2V
I
C
= 2mA
Ta = 25°C
Test Circuit for Response Time
Vcc
Input
RD
RL
VOLTAGE GAIN AV (dB)
0
Input
Output
10%
Output
90%
td
ts
tr
tf
-10
R
L
=10kΩ 1kΩ
100Ω
Test Circuit for Frequency Response
Vcc
-20
0.02
0.1
1
10
100
RD
RL
FREQUENCY f (kHz)
Output
4
FOD816 Series Rev. 1.0.3
www.fairchildsemi.com
FOD816 Series 4-Pin Phototransistor Optocouplers
Package Dimensions (Through Hole)
0.312 (7.92)
0.288 (7.32)
Package Dimensions (Surface Mount)
SEATING PLANE
0.157 (4.00)
0.118 (3.00)
SEATING PLANE
0.200 (5.10)
0.161 (4.10)
0.276 (7.00)
0.236 (6.00)
0.200 (5.10)
0.161 (4.10)
0.312 (7.92)
0.288 (7.32)
0.276 (7.00)
0.236 (6.00)
0.157 (4.00)
0.118 (3.00)
0.010 (0.26)
0.130 (3.30)
0.091 (2.30)
0.020 (0.51)
TYP
0.051 (1.30)
0.043 (1.10)
0.024 (0.60)
0.004 (0.10)
0.049 (1.25)
0.030 (0.76)
0.412 (10.46)
0.388 (9.86)
0.150 (3.80)
0.110 (2.80)
0.024 (0.60)
0.016 (0.40)
0.010 (0.26)
0.300 (7.62)
typ
0.110 (2.79)
0.090 (2.29)
Lead Coplanarity 0.004 (0.10) MAX
0.110 (2.79)
0.090 (2.29)
Package Dimensions
(0.4” Lead Spacing)
0.200 (5.10)
0.161 (4.10)
0.312 (7.92)
0.288 (7.32)
0.157 (4.00)
0.118 (3.00)
0.276 (7.00)
0.236 (6.00)
Footprint Dimensions
(Surface Mount)
1.5
1.3
SEATING PLANE
0.130 (3.30)
0.091 (2.30)
0.150 (3.80)
0.110 (2.80)
0.024 (0.60)
0.016 (0.40)
0.110 (2.79)
0.090 (2.29)
0.42 (10.66)
0.38 (9.66)
0.110 (2.80)
0.011 (1.80)
0.291 (7.40)
0.252 (6.40)
9
0.010 (0.26)
2.54
NOTE
All dimensions are in inches (millimeters)
5
FOD816 Series Rev. 1.0.3
www.fairchildsemi.com
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