LH1520AB/AAC/AACTR
Dual 1 Form A
Solid State Relay
FEATURES
• Dual Channel (LH1500)
• Current Limit Protection
• l/O Isolation, 5300 V
RMS
• Typical
R
ON
20
Ω
• Load Voltage 350 V
• Load Current 150 mA
• High Surge Capability
• Linear, AC/DC Operation
• Clean Bounce Free Switching
• Low Power Consumption
• SMD Lead Available on Tape and Reel
• Flammability; UL94,VØ
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
4
.268 (6.81)
.255 (6.48)
5
6
7
8
S2
S2'
3
2
1
S1
8
S1' S2
7
6
S2'
5
S1
S1'
.390 (9.91)
.379 (9.63)
.045 (1.14)
.030 (0.76)
4° typ.
.031 (0.79)
1
2
3
4
.300 (7.62)
typ.
.150 (3.81)
.130 (3.30)
.050 (1.27)
.022 (.56)
.018 (.46)
.035 (.89)
.020 (.51)
.100 (2.54) typ.
10°
3°–9°
.012 (.30)
.008 (.20)
.130 (3.30)
.110 (2.79)
.250 (6.35)
.230 (5.84)
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 LH1520 dual 1 Form A relays are SPST normally
open switches that can replace electromechanical
relays in many applications. They are constructed using
a GaAIAs LED for actuation control and an integrated
monolithic die for the switch output. The die, fabricated
in a high-voltage dielectrically isolated technology is
comprised of a photodiode array, switch control cir-
cuitry, and MOSFET switches. In addition, the LH1520
SSRs employ current-limiting circuitry, enabling them to
pass FCC 68.302 and other regulatory surge require-
.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
°
4°
typ.
.050
(1.27)
typ.
.008 (.25)
.004 (.10) .040 (1.02)
.020 (.51)
.100 (2.54)
typ.
10°
.315
(8.00)
typ.
.010
(2.54)
typ.
ments when overvoltage protection is provided.
Part Identification
Part Number
LH1520AB
LH1520AAC
LH1520AACTR
Description
8-pin DIP, Tubes
8-pin SMD, Gullwing, Tubes
8-pin SMD, Gullwing, Tape and Reel
2001 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA
www.infineon.com/opto • 1-888-Infineon (1-888-463-4636)
3–90
May 2, 2001-09
Recommended Operating Conditions
110
100
Load Current (mA)
80
60
40
20
0
–40
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 oper-
ation of the device is not implied at these or any other conditions in excess of
those given in the operational sections of this document. Exposure to absolute
Maximum Ratings for extended periods of time can adversely affect reliability.
I
Fon
=5.0 to 20 mA
I
Fon
=2.0 mA
I
Fon
=3.0 mA
I
Fon
=4.0 mA
–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
) .............................. 350 V
Continuous DC Load Current (
I
L
)
One Pole Operating.................................................................150 mA
Two Poles Operating ...............................................................110 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
1.1
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
±300 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
=±350 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
12
0.5
230
—
—
20
5000
270
0.02
—
55
10
0.5
0.15
25
—
370
200
1.0
—
—
—
—
—
—
—
—
Output Capacitance
—
—
Pole-to-Pole Capacitance (S1 to S2)
Switch Offset
Transfer
Input/Output Capacitance
Turn-on Time
Turn-off Time
—
—
C
ISO
t
on
t
off
—
—
—
1.1
1.4
0.7
—
2.0
2.0
pF
ms
ms
2001 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA
www.infineon.com/opto • 1-888-Infineon (1-888-463-4636)
3–91
LH1520AB/AAC/AACTR
May 2, 2001-09
Typical Performance Characteristics
Figure 1. LED Voltage vs. Temperature
1.6
1.5
LED Forward Voltage (V)
1.4
1.3
1.2
1.1
I
F
=1.0 mA
I
F
=2.0 mA
I
F
=5.0 mA
I
F
=10 mA
–20
0
20
40
60
Ambient Temperature (°C)
80
I
F
=20 mA
Figure 4. LED Dropout Voltage vs. Temperature
1.20
I
L
= 100 mA
I
F
=50 mA
LED Forward Voltage (V)
1.15
TYP.
1.10
MIN.
1.05
1.00
1.0
–40
0.95
–40
–20
0
20
40
60
80
Ambient Temperature (°C)
Figure 2. LED Current for Switch Turn-On vs. Temperature
100
I
L
= 100 mA
Figure 5. ON-Resistance vs. Temperature
50
40
Change in ON-resistance (%)
Normalized to 25°C
30
20
10
0
–10
–20
–30
I
L
= 50 mA
LED Forward Current for Switch
Turn-on (%), Normalized to 25°C
80
60
40
20
0
–20
–40
–60
–40
–20
0
20
40
60
80
–40
–40
–20
0
20
40
60
80
Ambient Temperature (°C)
Ambient Temperature (°C)
Figure 3. Current Limit vs. Temperature
40
Change in Current Limit (%)
Normalized to 25°C
30
20
10
0
–10
–20
–30
–40
–40
–20
0
20
40
60
80
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
0.5
0
–0.5
0
4
8
12
16
20
LED Forward Current (mA)
Ambient Temperature (°C)
2001 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA
www.infineon.com/opto • 1-888-Infineon (1-888-463-4636)
3–92
LH1520AB/AAC/AACTR
May 2, 2001-09
Figure 7. Switch Capacitance vs. Applied Voltage
80
70
60
Capacitance (pF)
50
40
30
20
10
0
0
20
40
60
80
100
I
F
=0 mA
T
A
=25°C
f=1.0 MHz
Figure 10. Leakage Current vs. Applied Voltage
100
Off-state Leakage Current (pA)
90
80
70
60
50
40
30
20
10
0
0
50
100
150
200
250
300
350 400
I
F
= 0 mA
T
A
= 25
°C
Applied Voltage (V)
Load Voltage (V)
Figure 8. Insertion Loss vs. Frequency
0.30
Figure 11. Leakage Current vs. Applied Voltage at Elevated
Temperatures
3.0
Off-state Leakage Current (nA)
0.25
Insertion Loss (dB)
0.20
0.15
0.10
0.05
0
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
10
4
10
5
10
6
10
7
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
Frequency (Hz)
Ambient Temperature (°C)
2001 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA
www.infineon.com/opto • 1-888-Infineon (1-888-463-4636)
3–93
LH1520AB/AAC/AACTR
May 2, 2001-09
Figure 13. Switch Offset Voltage vs. Temperature
3.5
I
F
= 5.0 mA
3.0
Switch Offset Voltage (µV)
2.5
2.0
1.5
1.0
0.5
0
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
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
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
0
10
20
30
40
50
–40°C
20
10
0
–10
–20
–30
–40
–40
–20
0
20
40
60
80
25°C
Ambient Temperature (°C)
LED Forward Current (mA)
2001 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA
www.infineon.com/opto • 1-888-Infineon (1-888-463-4636)
3–94
LH1520AB/AAC/AACTR
May 2, 2001-09
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