FOD815 Series 4-Pin High Operating Temperature Photodarlington Optocoupler
May 2006
FOD815 Series
4-Pin High Operating Temperature Photodarlington
Optocoupler
Features
■
Applicable to Pb-free IR reflow soldering
■
Compact 4-pin package
■
High current transfer ratio: 600% minimum
■
C-UL, UL, and VDE approved
■
High input-output isolation voltage of 5000Vrms
■
Higher operating temperature (versus H11B815)
tm
Applications
■
Power supply regulators
■
Digital logic inputs
■
Microprocessor inputs
Description
The FOD815 consists of a gallium arsenide infrared
emitting diode, driving a silicon photodarlington output in
a 4-pin dual in-line package.
Functional Block Diagram
ANODE 1
4 COLLECTOR
4
CATHODE 2
3 EMITTER
1
Absolute Maximum Ratings
(T
A
= 25°C Unless otherwise specified.)
Symbol
TOTAL DEVICE
T
STG
T
OPR
T
SOL
P
TOT
INPUT
I
F
P
OUTPUT
V
CEO
V
ECO
I
C
P
C
Collector-Emitter Voltage
Emitter-Collector Voltage
Collector Current
Collector Power Dissipation
35
6
80
150
V
V
mA
mW
Forward Current
Power Dissipation
50
70
mA
mW
Storage Temperature
Operating Temperature
Lead Solder Temperature
Total Power Dissipation
-55 to +125
-30 to +105
260 for 10 sec
200
°C
°C
°C
mW
Parameter
Value
Units
©2006 Fairchild Semiconductor Corporation
1
www.fairchildsemi.com
FOD815 Series Rev. 1.0.4
FOD815 Series 4-Pin High Operating Temperature Photodarlington Optocoupler
Electrical Characteristics
(T
A
= 25°C Unless otherwise specified.)
Individual Component Characteristics
Symbol
INPUT
V
F
C
t
OUTPUT
I
CEO
BV
CEO
BV
ECO
Collector Dark Current
Collector-Emitter Breakdown Voltage
Emitter-Collector Breakdown Voltage
V
CE
= 10V, I
F
= 0
I
C
= 0.1mA, I
F
= 0
I
E
= 10µA, I
F
= 0
–
35
6
–
–
–
1
–
–
µA
V
V
Forward Voltage
Terminal Capacitance
I
F
= 20mA
V = 0, f = 1kHz
–
–
1.2
50
1.4
250
V
pF
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Transfer Characteristics
(T
A
= 25°C Unless otherwise specified.)
Symbol DC Characteristic
I
C
CTR
V
CE(sat)
f
C
t
r
t
f
Collector Current
Current Transfer Ratio
(1)
Collector-Emitter Saturation
Voltage
Cut-Off Frequency
Response Time (Rise)
Response Time (Fall)
I
F
= 20mA, I
C
= 5mA
V
CE
= 5V, I
C
= 2mA, R
L
= 100
Ω
, -3dB
V
CE
= 2 V, I
C
= 10mA, R
L
= 100
Ω
Test Conditions
I
F
= 1mA, V
CE
= 2V
Min.
6
600
–
1
–
–
Typ.
–
–
0.8
6
60
53
Max.
75
7,500
1
–
300
250
Unit
mA
%
V
KHz
µs
µs
Isolation Characteristics
Symbol
V
ISO
R
iso
C
f
Characteristic
Input-Output Isolation
Voltage
Isolation Resistance
Floating Capacitance
Test Conditions
f = 60Hz, t = 1 min, I
I-O
≤
2µA
DC500V 40~60% R.H.
V = 0, f = 1MHz
Min.
5000
5x10
10
–
Typ.
–
1x10
11
0.6
Max.
–
–
1
Units
Vac(rms)
Ω
pF
Note:
1. Current Transfer Ratio (CTR) = I
C
/I
F
x 100%.
2
FOD815 Series Rev. 1.0.4
www.fairchildsemi.com
FOD815 Series 4-Pin High Operating Temperature Photodarlington Optocoupler
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
FOD815 Series Rev. 1.0.4
www.fairchildsemi.com
FOD815 Series 4-Pin High Operating Temperature Photodarlington Optocoupler
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
FOD815 Series Rev. 1.0.4
www.fairchildsemi.com
FOD815 Series 4-Pin High Operating Temperature Photodarlington Optocoupler
Package Dimensions
(Through Hole)
0.312 (7.92)
0.288 (7.32)
Package Dimensions
(Surface Mount)
0.312 (7.92)
0.288 (7.32)
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)
0.276 (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)
Footprint Dimensions
(Surface Mount))
Package Dimensions
(0.4" Lead Spacing)
SEATING PLANE
1.5
1.3
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)
9
0.291 (7.40)
0.252 (6.40)
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)
0.010 (0.26)
2.54
Note:
All dimensions are in inches (millimeters)
5
FOD815 Series Rev. 1.0.4
www.fairchildsemi.com
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