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LH1526AB/ AAC/ AACTR
Vishay Semiconductors
Dual 1 Form A Solid-State Relays
DIP SMD
Features
* * * * * * * * * * * Dual Channel 1 Form A Extremely Low Operating Current High-speed Operation Isolation Test Voltage 5300 VRMS Current-limit Protection High Surge Capability dc-only Option Clean, Bounce-free Switching Low Power Consumption High-reliability Monolithic Receptor Surface-mountable
S1 8 S1 S1'
S1' S2 76
S2' 5
S2
i179034
S2' 1 2 3 4
e3
Description
Pb
Pb-free
* Lead-free component * Component in accordance to RoHS 2002/95/EC and WEEE 2002/96/EC
Agency Approvals
* UL1577, File No. E52744 System Code H or J, Double Protection * CSA - Certification 093751 * BSI/BABT Cert. No. 7980
Applications
General Telecom Switching - Telephone Line Interface - On/off Hook - Ring Relay - Break Switch - Ground Start Battery-powered Switch Applications Industrial Controls -Microprocessor Control of Solenoids, Lights, Motors, Heaters, etc. Programmable Controllers Instrumentation See "Solid State Relays" ( Application Note 56)
The LH1526 relay is two SPST normally open switches that can replace electromechanical relays in many applications. The relays require a minimal amount of LED drive current to operate, making it ideal for battery powered and power consumption sensitive applications. The relay is constructed using a GaAIAs LED for actuation control and an integrated monolithic die for the switch output. The die is, fabricated in a high-voltage dielectrically isolated technology, comprised of a photodiode array, switch-control circuitry, and MOSFET switches. In addition, the relay employs current-limiting circuitry, enabling it to pass FCC 68.302 and other regulatory surge requirements when overvoltage protection is provided. The relay can be configured for ac/dc or dc-only operation.
Order Information
Part LH1526AAC LH1526AACTR LH1526AB Remarks Tubes, SMD-8 Tape and Reel, SMD-8 Tubes, DIP-8
Document Number 83825 Rev. 1.4, 26-Oct-04
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LH1526AB/ AAC/ AACTR
Vishay Semiconductors Absolute Maximum Ratings, Tamb = 25 C
Stresses in excess of the absolute Maximum Ratings can cause permanent damage to the device. Functional operation 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.
SSR
Parameter LED input ratings: continuous forward current LED input ratings: reverse voltage Output operation: DC or peak AC load voltage Continuous DC load current , unidirectional operation pins 4, 6 (+) to pin 5 (-) Continuous DC load current , two pole operation Ambient operating temperature range Storage temperature range Pin soldering temperature Input/output isolation test voltage Power dissipation t = 10 s max t = 1.0 s, IISO = 10 A max IL 50 A Test condition Symbol IF VR VL IL Value 50 8.0 400 250 Unit mA V V mA
IL Tamb Tstg Tsld VISO Pdiss
100 - 40 to + 85 - 40 to + 150 260 5300 600
mA C C C VRMS mW
Electrical Characteristics, Tamb = 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.
Input
Parameter LED forward current, switch turn-on LED forward current, switch turn-off LED forward voltage Test condition IL = 70 mA, t = 10 ms VL = 350 V, t = 100 ms IF = 1.5 mA Symbol IFon IFoff VF 0.001 0.80 Min Typ. 0.3 0.1 1.15 1.40 Max 0.5 Unit mA mA V
Output
Parameter Off-resistance Current limit Off-state leakage current Output capacitance Switch offset Test condition IF = 0 mA, VL = 100 V IF = 1.5 mA, t = 5.0 ms, VL = 7.0 V IF = 0 mA, VL = 100 V IF = 0 mA, VL = 400 V IF = 0 mA, VL = 1.0 V IF = 0 mA, VL = 50 V IF = 5.0 mA Symbol RON ROFF ILMT IO IO CO CO VOS 37 13 0.25 170 Min 17 Typ. 25 5000 210 0.04 270 200 1.0 Max 36 Unit G mA nA A pF pF V ON-resistance: ac/dc, each pole IF = 1.5 mA, IL = 50 mA
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Document Number 83825 Rev. 1.4, 26-Oct-04
LH1526AB/ AAC/ AACTR
Vishay Semiconductors Transfer
Parameter Capacitance (input-output) Turn-on time Turn-off time Test condition VISO = 1.0 V IF = 1.5 mA, IL = 50 mA IF = 5.0 mA, IL = 50 mA IF = 1.5 mA, IL = 50 mA IF = 5.0 mA, IL = 50 mA Symbol CIO ton ton toff toff Min Typ. 0.8 1.00 0.5 0.20 0.4 0.9 1.0 Max Unit pF ms ms ms ms
Typical Characteristics (Tamb = 25 C unless otherwise specified)
120 100
Load Current ( mA )
1300
LED Forward Current for Switch Turn-on (%), Norm. to 25 C
1100 900 700 500 300 100
I L = 100 mA
80 60 IFon = 5 to10 mA 40 20 0 -40 IFon = 2 mA IFon = 1 mA IFon = 0.5 mA IFon = 0.3 mA -20 0 20 40 60 80 Ambient Temperature ( C )
-100 -40
17332
-20
0
20
40
60
80
17333
Ambient Temperature ( C )
Figure 1. Recommended Operating Conditions
Figure 3. LED Current for Switch Turn-on vs. Temperature
CHANGE IN ON-RESISTANCE (%) NORMALZED TO 25 C
1.6
LED FORWAD VOLTAGE (V)
50 40 30 20 10 0 -10 -20 -30 -40 -40
IL = 50 mA
1.5 1.4 1.3 1.2 IF = 1 mA 1.1 IF = 2 mA 1.0 -40 IF = 20 mA
IF = 50 mA
IF = 5 mA IF = 10 mA 0 20 40 60 80
-20
-20
0
20
40
60
80
iLH1526AB_01
AMBIENT TEMPERATURE, TA (C)
iLH1526AB_03
AMBIENT TEMPERATURE, TA (C)
Figure 2. LED Voltage vs. Temperature
Figure 4. ON-Resistance vs. Temperature
Document Number 83825 Rev. 1.4, 26-Oct-04
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LH1526AB/ AAC/ AACTR
Vishay Semiconductors
LED FORWARD VOLTAGE (V)
1.20 1.10
CAPACITNCE (pF)
70 60 50 40 30 20 10 0 -20 0 20 40 60 80
iLH1526AB_07
1.00 0.90 0.80 0.70 -40
0
20
40
60
80
100
iLH1526AB_04
AMBIENT TEMPERATURE, TA (C)
APPLIED VOLTAGE (V)
Figure 5. LED Dropout Voltage vs. Temperature
Figure 8. Switch Capacitance vs. Applied Voltage
CHANGE IN CURRENT LIMIT (%) NORMALIZED TO 25 C
40 30 20 10 0 -10 -20 -30 -40 -40
ISOLATION (dB)
100 IF = 5 mA, t = 5 ms 80 60 40 20 0 -20 0 20 40 60 80
iLH1526AB_08
VP = 10 V RL = 50
102
103
104
105
106
107
iLH1526AB_05
AMBIENT TEMPERATURE, TA (C)
FREQUENCY (Hz)
Figure 6. Current Limit vs. Temperature
Figure 9. Output Isolation
ac/dc ON-RESISTANCE VARIATION (%) NORMALIZED TO DATA SHEET RON SPECIFICATION @ IF = 5 mA
9 8 7 6 5 4 3 2 1 0 0.0 1.0 2.0 3.0 4.0 5.0
OFF-STATE LEAKAGE CURRENT (nA)
3.5 3.0 85 C 2.5 2.0 1.5 70 C 1.0 0.5 0.0 0 50 100 150 200 250 300 350 400 LOAD VOLTAGE (V) 50 C
iLH1526AB_06
LED FORWARD CURRENT (mA)
iLH1526AB_09
Figure 7. Variation in ON-Resistance vs. LED Current
Figure 10. Leakage Current vs. Applied Voltage at Elevated Temperatures
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Document Number 83825 Rev. 1.4, 26-Oct-04
LH1526AB/ AAC/ AACTR
Vishay Semiconductors
0.6 0.5 0.4
RL = 600
5 IF = 5 mA 4 3
INSERTION LOSS (dB)
0.3 0.2 0.1 0.0 10 2
(A)
2 1 0
10 3
10 4
10 5
iLH1526AB_13
20
30
40
50
60
70
80
90
iLH1526AB_10
FREQUENCY (Hz)
AMBIENT TEMPERATURE, TA (C)
Figure 11. Insertion Loss vs. Frequency
Figure 14. Switch Offset Voltage vs. Temperature
OFF-STATE LEAKAGE CURRENT (pA)
100 IF = 0 mA
CHANGE IN TURN-0N TIME (%) NORMALIZD TO 25 C
60 50 40 30 20 10 0 -10 -20 -30 -40 -40
iLH1526AB_14
90 80 70 60 50 40 30 20 10 0 0
IF = 5 mA IL = 50 mA
50
100
150 200
250 300
350 400
-20
0
20
40
60
80
iLH1526AB_11
LOAD VOLTAGE (V)
AMBIENT TEMPERATURE, TA (C) (mA)
Figure 12. Leakage Current vs. Applied Voltage
Figure 15. Turn-on Time vs. Temperature
8
CHANGE IN BREAKDOWN VOLTAGE (%) NORMALIZED TO 25 C
3.0 2.4 1.8 1.2 0.6 85 C 25 C -40 C
6 4 2 0 -2 -4 -6 -8 -40 0.0 -20 0 20 40 60 AMBIENT TEMPERATURE, TA (C) 80
iLH1526AB_15
TURN-ON TIME (ms)
0
4
8
12
16
20
iLH1526AB_12
LED FORWARD CURRENT (mA)
Figure 13. Switch Breakdown Voltage vs. Temperature
Figure 16. Turn-on Time vs. LED Current
Document Number 83825 Rev. 1.4, 26-Oct-04
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LH1526AB/ AAC/ AACTR
Vishay Semiconductors
15
CHANGE IN TURN-OFF TIME (%) NORMALIZED TO 25 C
TURN-OFF TIME (ms)
10 5 0 -5 -10 -15 -40
IF = 5 mA IL = 50 mA
3.0 2.4 1.8 1.2 -40 C 0.6 85 C
25 C
0.0 -20 0 20 40 60 80
iLH1526AB_18
0
4
8
12
16
20
iLH1526AB_17
AMBIENT TEMPERATURE, TA (C)
LED FORWARD CURRENT (mA)
Figure 17. Turn-off Time vs. Temperature
Figure 18. Turn-off Time vs. LED Current
Package Dimensions in Inches (mm)
DIP
pin one ID 4 .268 (6.81) .255 (6.48) 5 6 7 8
ISO Method A
3
2
1
.390 (9.91) .379 (9.63) .045 (1.14) .030 (0.76) 4 typ. .031 (0.79) .150 (3.81) .130 (3.30) .050 (1.27) .022 (.56) .018 (.46)
i178008
.300 (7.62) typ.
10 .035 (.89) .020 (.51) .100 (2.54) typ. 3-9 .012 (.30) .008 (.20)
.250 (6.35) .230 (5.84) .130 (3.30) .110 (2.79)
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Document Number 83825 Rev. 1.4, 26-Oct-04
LH1526AB/ AAC/ AACTR
Vishay Semiconductors Package Dimensions in Inches (mm)
SMD
Pin one I.D .
.268 (6.81) .255 (6.48)
.100 (2.54)
.030 (.76) R .010 (.25) .070 (1.78)
.390 (9.91) .379 (9.63) .031 (.79) typ. .150 (3.81) .130 (3.30)
.315 (8.00) min .435 (11.05)
.060 (1.52)
ISO Method A
.045 (1.14) .030 (0.78)
Radius
.395 (10.03) .375 (9.52) .312 (7.80) .298 (7.52) 3 to 7 10 .315 (8.00) typ. .010 (2.54) typ.
4 typ. .050 (1.27) typ.
.008 (.25) .004 (.10) .100 (2.54) typ.
.040 (1.02) .020 (.51)
i178009
Document Number 83825 Rev. 1.4, 26-Oct-04
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LH1526AB/ AAC/ AACTR
Vishay Semiconductors Ozone Depleting Substances Policy Statement
It is the policy of Vishay Semiconductor GmbH to 1. Meet all present and future national and international statutory requirements. 2. Regularly and continuously improve the performance of our products, processes, distribution and operatingsystems with respect to their impact on the health and safety of our employees and the public, as well as their impact on the environment. It is particular concern to control or eliminate releases of those substances into the atmosphere which are known as ozone depleting substances (ODSs). The Montreal Protocol (1987) and its London Amendments (1990) intend to severely restrict the use of ODSs and forbid their use within the next ten years. Various national and international initiatives are pressing for an earlier ban on these substances. Vishay Semiconductor GmbH has been able to use its policy of continuous improvements to eliminate the use of ODSs listed in the following documents. 1. Annex A, B and list of transitional substances of the Montreal Protocol and the London Amendments respectively 2. Class I and II ozone depleting substances in the Clean Air Act Amendments of 1990 by the Environmental Protection Agency (EPA) in the USA 3. Council Decision 88/540/EEC and 91/690/EEC Annex A, B and C (transitional substances) respectively. Vishay Semiconductor GmbH can certify that our semiconductors are not manufactured with ozone depleting substances and do not contain such substances.
We reserve the right to make changes to improve technical design and may do so without further notice. Parameters can vary in different applications. All operating parameters must be validated for each customer application by the customer. Should the buyer use Vishay Semiconductors products for any unintended or unauthorized application, the buyer shall indemnify Vishay Semiconductors against all claims, costs, damages, and expenses, arising out of, directly or indirectly, any claim of personal damage, injury or death associated with such unintended or unauthorized use. Vishay Semiconductor GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany Telephone: 49 (0)7131 67 2831, Fax number: 49 (0)7131 67 2423
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Document Number 83825 Rev. 1.4, 26-Oct-04

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