LH1505AB/AAC/AACTR
Dual 1 Form A
Solid State Relay
FEATURES
• Two Independent Relays
• Current Limit Protection
• l/O Isolation, 5300 V
RMS
• Typical
R
ON
15
Ω
• Load Voltage 350 V
• Load Current 120 mA
• High Surge Capability
• Linear, AC/DC Operation
• Clean Bounce Free Switching
• Low Power Consumption
• High Reliability Monolithic Receptor
• SMD Lead Available on Tape and Reel
AGENCY APPROVALS
•
•
•
•
•
UL – File No. E52744
CSA – Certification 093751
BSI/BABT Cert. No. 7980
VDE 0884 Approval
FIMKO Approval
Package Dimensions in Inches (mm)
DIP
pin one ID
S1
S1' S2
7
6
S2'
5
S1
S1'
4
.268 (6.81)
.255 (6.48)
5
3
2
1
8
6
7
8
1
2
3
4
S2
S2'
.390 (9.91)
.379 (9.63)
.045 (1.14)
.030 (0.76)
4° typ.
.150 (3.81)
.130 (3.30)
.050 (1.27)
.022 (.56)
.018 (.46)
.035 (.89)
.020 (.51)
.100 (2.54) typ.
.031 (0.79)
.300 (7.62)
typ.
10°
3°–9°
.012 (.30)
.008 (.20)
.250 (6.35)
.230 (5.84)
.130 (3.30)
.110 (2.79)
SMD
Pin one I.D.
APPLICATIONS
• General Telecom Switching
– On/off Hook Control
– Ring Delay
– Dial Pulse
– Ground Start
– Ground Fault Protection
• Instrumentation
• Industrial Controls
DESCRIPTION
The LH1505 contains two normally open switches that
can be used as two independent SPST relays or as one
DPST relay. The relay is constructed using a GaAlAs
LED for actuation control and integrated monolithic dies
for the switch outputs. The die, fabricated in a high-volt-
age dielectrically isolated technology, is comprised of a
photodiode array, switch control circuity, and DMOS
switches. In addition, the LH1505 relay employs current-
limiting circuity, enabling it to pass FCC 68.302 and
other regulatory voltage surge requirements when over-
voltage protection is provided.
4°
typ.
.050
(1.27)
typ.
.268 (6.81)
.255 (6.48)
.390 (9.91)
.379 (9.63)
.031 (.79)
typ.
.150 (3.81)
.130 (3.30)
.395 (10.03)
.375 (9.52)
.312 (7.80)
.298 (7.52)
.045 (1.14)
.030 (0.78)
Radius
3
°
to 7
°
.008 (.25)
.004 (.10) .040 (1.02)
.020 (.51)
.100 (2.54)
typ.
10°
.315
(8.00)
typ.
.010
(2.54)
typ.
Part Identification
Part Number
LH1505AB
LH1505AAC
LH1505AACTR
Description
8-pin DIP, Tubes
8-pin SMD, Gullwing, Tubes
8-pin SMD, Gullwing, Tape and Reel
Document Number: 83809
Revision 17-August-01
www.vishay.com
3–51
Recommended Operating Conditions
120
100
Load Current (mA)
80
60
I
Fon
=5.0 to 20 mA
40
20
0
–40
I
Fon
=2.0 mA
I
Fon
=3.0 mA
I
Fon
=4.0 mA
Absolute Maximum Ratings,
T
A
=25
°
C
Stresses in excess of the Absolute Maximum Ratings can cause permanent
damage to the device. These are absolute stress ratings only. Functional opera-
tion of the device is not implied at these or any other conditions in excess of
those given in the operational sections of the data sheet. Exposure to maximum
rating conditions for extended periods can adversely affect device reliability.
–20
0
20
40
60
Ambient Temperature (°C)
80
Ambient Temperature Range (
T
A
) ....................................–40 to +85
°
C
Storage Temperature Range (
T
stg
) .................................–40 to +150
°
C
Pin Soldering Temperature (t=10 s max) (
T
S
) ............................. 260
°
C
Input/Output Isolation Voltage
(t=1.0 s,
I
ISO
=10
µ
A max) (
V
ISO
) ....................................... 5300 V
RMS
Pole-to-Pole Isolation Voltage (S1 to S2)*
(dry air, dust free, at sea level) .................................................1600 V
LED Continuous Forward Current (
I
F
) .........................................50 mA
LED Reverse Voltage (
I
R
≤
10
µ
A) (
V
R
) ...........................................8.0 V
DC or Peak AC Load Voltage (
I
L
≤
50
µ
A) (
V
L
) ..............................250 V
Continuous DC Load Current (
I
L
)
One Pole Operating.................................................................130 mA
Two Poles Operating ...............................................................120 mA
Peak Load Current (t=100 ms) (single shot) (
I
P
)................................. †
Output Power Dissipation (continuous) (
P
DISS
)........................600 mW
* Breakdown occurs between the output pins external to the package.
† Refer to Current Limit Performance Application Note for a discussion on
relay operation during transient currents.
Electrical Characteristics,
T
A
=25
°
C
Minimum and maximum values are testing requirements. Typical values are characteristics of the device and are the result of
engineering evaluations. Typical values are for information only and are not part of the testing requirements.
Parameter
Input
LED Forward Current, Switch Turn-on
LED Forward Current, Switch Turn-off
LED Forward Voltage
Output
ON-resistance
OFF-resistance
Current Limit
Off-state Leakage Current
I
Fon
I
Foff
V
F
—
0.2
1.15
1.0
0.9
1.26
2.0
—
1.45
mA
mA
V
Ω
G
Ω
mA
nA
µ
A
pF
I
L
=100 mA, t=10 ms
V
L
±200 V
I
F
=10 mA
I
F
=5.0 mA,
I
L
=50 mA
I
F
=0 mA,
V
L
=±100 V
I
F
=5.0 mA, t=5.0 ms
V
L
±6.0 V
I
F
=0 mA,
V
L
=±100 V
I
F
=0 mA,
V
L
=±250 V
I
F
=0 mA,
V
L
=1.0 V
I
F
=0 mA,
V
L
=50 V
pF
V
I
F
=5.0 mA
I
F
=5.0 mA
V
ISO
=1.0 V
I
F
=5.0 mA,
I
L
=50 mA
I
F
=5.0 mA,
I
L
=50 mA
Sym.
Min.
Typ.
Max.
Units
Test Conditions
R
ON
R
OFF
I
LMT
10
0.5
170
—
—
15
5000
200
0.02
—
55
10
0.5
0.15
20
—
280
200
1.0
—
—
—
—
—
Output Capacitance
—
—
—
Pole-to-Pole Capacitance (S1 to S2)
Switch Offset
Transfer
Input/Output Capacitance
Turn-on Time
Turn-off Time
*
I
L
=100 mA
—
—
—
—
C
ISO
t
on
t
off
—
—
—
1.1
1.4*
0.7*
—
4.0*
4.0*
pF
ms
ms
Document Number: 83809
Revision 17-August-01
www.vishay.com
3–52
Typical Performance Characteristics
Figure 1. LED Voltage vs. Temperature
1.6
1.5
LED Forward Voltage (V)
I
F
=20 mA
1.4
1.3
1.2
1.1
I
F
=50 mA
LED Forward Voltage (V)
Figure 4. LED Dropout Voltage vs. Temperature
1.20
I
L
= 100 mA
1.15
TYP.
1.10
MIN.
1.05
I
F
=1.0 mA
I
F
=2.0 mA
I
F
=5.0 mA
I
F
=10 mA
–20
0
20
40
60
80
1.00
1.0
–40
0.95
–40
–20
0
20
40
60
80
Ambient Temperature (°C)
Ambient Temperature (°C)
Figure 2. LED Current for Switch Turn-On vs. Temperature
100
Figure 5. ON-Resistance vs. Temperature
50
40
30
20
10
0
–10
–20
–30
I
L
= 50 mA
LED Forward Current for Switch
Turn-off (%), Normalized to 25
°C
80
60
40
20
0
–20
–40
–60
–40
I
L
= 100 mA
Change in ON-Resistance (%)
Normalized to 25°C
0
20
40
60
80
–20
–40
–40
–20
0
20
40
60
80
Ambient Temperature (°C)
Ambient Temperature (°C)
Figure 3. Current Limit vs. Temperature
40
I
F
= 5.0 mA
t = 5.0 ms
V
L
=
SEE ELEC. CHAR
.
Figure 6. Variation in ON-Resistance vs. LED Current
1.5
ac/dc On-resistance Variation (%)
Normalized to Data Sheet
R
ON
Specification at I
F
=5.0 mA
I
L
= 50 mA
1.0
Change in Current Limit (%)
Normalized to 25°C
30
20
10
0
–10
–20
–30
–40
–40
–20
0
20
0.5
0
–0.5
40
60
80
0
4
8
12
16
20
Ambient Temperature (°C)
LED Forward Current (mA)
www.vishay.com
3–53
Document Number: 83809
Revision 17-August-01
Figure 7. Switch Capacitance vs. Applied Voltage
80
Figure 10. Leakage Current vs. Applied Voltage
100
Off-state Leakage Current (pA)
90
80
70
60
50
40
30
20
10
70
60
Capacitance (pF)
50
40
30
20
10
0
0
20
40
60
I
F
=0 mA
T
A
=25°C
f=1.0 MHz
I
F
= 0 mA
T
A
= 25
°C
80
100
0
0
50
100
150
200
250
300
350 400
Applied Voltage (V)
Load Voltage (V)
Figure 8. Insertion Loss vs. Frequency
0.30
0.25
Insertion Loss (dB)
0.20
0.15
0.10
0.05
0
Figure 11. Leakage Current vs. Applied Voltage at Elevated
Temperatures
3.0
Off-state Leakage Current (nA)
R
L
= 600
Ω
2.5
85°C
2.0
1.5
1.0
0.5
0
70°C
50°C
10
2
10
3
Frequency (Hz)
10
4
10
5
0
50
100
150
200
250
300
350
400
Load Voltage (V)
Figure 9. Output Isolation
100
Figure 12. Switch Breakdown Voltage vs. Temperature
8
Change in Breakdown Voltage (%)
Normalized to 25°C
6
4
2
0
–2
–4
–6
–8
–40
–20
0
20
40
60
80
80
Isolation (dB)
60
V
P
=10 V
R
L
=50
Ω
40
20
0
10
2
10
3
10
4
10
5
10
6
10
7
Frequency (Hz)
Document Number: 83809
Revision 17-August-01
Ambient Temperature (°C)
www.vishay.com
3–54
Figure 13. Switch Offset Voltage vs. Temperature
3.5
I
F
= 5.0 mA
Figure 16. Turn-Off Time vs. Temperature
160
140
Change in Turn-off Time (%)
Normalized to 25°C
120
100
80
60
40
20
0
–20
–40
–60
–80
–40
I
F
=5.0 mA
I
L
=50 mA
3.0
Switch Offset Voltage (µV)
2.5
2.0
1.5
1.0
0.5
0
20
30
40
50
60
70
80
90
–20
0
20
40
60
80
Ambient Temperature (°C)
Ambient Temperature (°C)
Figure 14. Switch Offset Voltage vs. LED Current
0.6
0.5
Figure 17. Turn-On Time vs. LED Current
10
I
L
=50 mA
–40°C
6
25°C
85°C
Switch Offset Voltage (µV)
8
Turn-on Time (ms)
0.4
0.3
0.2
0.1
0
0
5
10
15
20
25
LED Forward Current (mA)
4
2
0
0
10
20
30
40
50
LED Forward Current (mA)
Figure 15. Turn-On Time vs. Temperature
60
50
Change in Turn-on Time (%)
Normalized to 25°C
40
30
20
10
0
–10
–20
–30
–40
–40
I
F
=5.0 mA
I
L
=50 mA
Figure 18. Turn-Off Time vs. LED Current
1.4
I
L
=50 mA
1.2
Turn-off Time (ms)
1.0
0.8
0.6
85°C
0.4
0.2
–40°C
25°C
–20
0
20
40
60
80
0
10
20
30
40
50
Ambient Temperature (°C)
LED Forward Current (mA)
Document Number: 83809
Revision 17-August-01
www.vishay.com
3–55
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