VISHAY LH1525AT/ AAB/ AABTR Vishay Semiconductors 1 Form A Solid State Relays DIP SMD Features • • • • • • • • • • 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 DC S' 6 5 4 1 2 3 S S S' i179001 Agency Approvals Description • • • • The LH1525 relay are SPST normally open switches (1 Form A) that can replace electromechanical relays in many applications. The relay requires 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, 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. UL - File No. E52744 CSA - Certification 093751 BSI/BABT Cert. No. 7980 FIMKO Approval 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" (Appnote 56) Document Number 83823 Rev. 1.3, 14-Jul-04 Order Information Part LH1525AAB Remarks Tubes, SMD-6 LH1525AABTR Tape and Reel, SMD-6 LH1525AT Tubes, DIP-6 www.vishay.com 1 LH1525AT/ AAB/ AABTR VISHAY 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 Symbol Value Unit LED input ratings: continuous forward current Parameter IF 50 mA LED input ratings: reverse voltage VR 8.0 V VL 400 V Continuous DC load current, bidirectional operation Pin 4 to 6 IL 125 mA Continuous DC load current, unidirectional operation Pins 4, 6 (+) to Pin 5 (-) IL 250 mA Tamb - 40 to + 85 °C Output operation (each channel): dc or peak ac load voltage Test condition IL ≤ 50 µA Ambient operating temperature range Tstg - 40 to + 150 °C Pin soldering temperature t = 10 s max Tsld 260 °C Input/output isolation test voltage t = 1.0 s VISO 5300 VRMS Ptot 550 mW Storage temperature range Power dissipation 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 Test condition LED forward current, switch turn-on IL = 100 mA, t = 10 ms Symbol IFon Min Typ. Max Unit 0.33 0.5 mA LED forward current, switch turn-off VL = ± 350 V, t = 100 ms IFoff 0.001 0.23 LED forward voltage IF = 1.5 mA VF 0.80 1.16 1.40 V Symbol Min Typ. Max Unit RON 17 26 36 Ω 4.25 7.0 8.25 Ω mA Output Parameter Test condition ON-resistance: ac/dc, each pole IF = 1.5 mA, IL = ± 50 mA ON-resistance: dc Pins 4, 6 (+) to 5 (-) IF = 1.5 mA, IL = 100 mA RON Off-resistance IF = 0 mA, VL = ± 100 V ROFF Current limit IF = 1.5 mA, t = 5.0 ms, VL = 7.0 V ILMT IF = 0 mA, VL = ± 100 V IF = 0 mA, VL = ± 400 V Off-state leakage current www.vishay.com 2 2000 170 GΩ 185 270 mA IO 0.67 200 nA IO 0.096 1.0 µA Document Number 83823 Rev. 1.3, 14-Jul-04 LH1525AT/ AAB/ AABTR VISHAY Vishay Semiconductors Parameter Test condition Output capacitance Switch offset Symbol Min Typ. Max Unit IF = 0 mA, VL = 1.0 V CO 22 pF IF = 0 mA, VL = 50 V CO 6.42 pF IF = 5.0 mA VOS 0.2 µV Transfer Parameter Test condition Capacitance (input-output) Turn-on time Turn-off time Symbol Min Typ. VISO = 1.0 V CIO 0.75 IF = 1.5 mA, IL = 50 mA ton 1.25 IF = 5.0 mA, IL = 50 mA ton 0.22 IF = 1.5 mA, IL = 50 mA toff 0.6 IF = 5.0 mA, IL = 50 mA toff 0.63 Max Unit pF ms 1.0 ms ms 0.9 ms Typical Characteristics (Tamb = 25 °C unless otherwise specified) 120 LED Forward Current (mA) 120 Load Current ( mA ) 100 80 IFon = 3 to10 mA 60 IFon = 2 mA 40 IFon = 1 mA IFon = 0.5 mA 20 100 T = 8 °C T = 25 °C T = -40 °C 80 60 40 20 IFon = 0.3 mA 0 0 –40 –20 0 20 40 60 Ambient Temperature ( °C ) 17331 0 80 Figure 1. Recommended Operating Conditions 0.5 1 1.5 2 LED Forward Voltage (V) ilh1525at_02 Figure 3. LED Forward Current vs. LED Forward Voltage 1.5 IF = 50 mA IF = 20 mA 1.4 1.3 1.2 IF = 1 mA 1.1 IF = 2 mA 1.0 -40 ilh1525at_01 -20 10 0 20 6 4 2 0 40 60 0 80 Figure 2. LED Voltage vs. Temperature Document Number 83823 85 °C 25 °C -40 °C 8 IF = 5 mA IF = 10 mA AMBIENT TEMPERATURE, TA (°C) Rev. 1.3, 14-Jul-04 LED Reverse Current (uA) LED FORWAD VOLTAGE (V) 1.6 ilh1525at_03 20 40 60 80 LED Reverse Voltage (V) Figure 4. LED Reverse Current vs. LED Reverse Voltage www.vishay.com 3 LH1525AT/ AAB/ AABTR VISHAY Vishay Semiconductors 300 IL = 100 mA 250 Load Current (mA) LED Forward Current for Switch Turn–on (%), Norm. to 25 °C 900 700 500 300 200 -40 °C 25 °C 85 °C 150 100 50 100 IF = 1.5 m –100 –40 0 –20 0 20 40 60 0 80 Ambient Temperature ( °C ) 17330 1 ilh1525at_07 5 6 7 40 CHANGE IN CURRENT LIMIT (%) NORMALIZED TO 25 °C Change in Ron (%), norm. to 25 °C 4 Figure 8. Load Current vs. Load Voltage 40 30 20 10 0 -10 IL = 5mA IL = 50 mA -20 -30 -40 -40 -20 0 20 40 60 80 Temperature (°C) ilh1525at_05 IF = 5 mA, t = 5 ms 30 20 10 0 -10 -20 -30 -40 -40 ilh1525at_08 1.21 1.17 IL = 100 mA 1.13 1.09 1.05 1.01 -40 -20 0 20 40 60 80 Temperature (°C) ilh1525at_06 Figure 7. LED Dropout Voltage vs. Temperature www.vishay.com -20 0 20 40 60 80 AMBIENT TEMPERATURE, TA (°C) Figure 9. Current Limit vs. Temperature ac/dc ON-RESISTANCE VARIATION (%) NORMALIZED TO DATA SHEET RON SPECIFICATION @ IF = 5 mA Figure 6. ON-Resistance vs. Temperature LED Dropout Voltage (V) 3 Load Voltage (V) Figure 5. LED Current for Switch Turn-on vs. Temperature 4 2 ilh1525at_09 9 8 7 6 5 4 3 2 1 0 0.0 1.0 2.0 3.0 4.0 5.0 LED FORWARD CURRENT (mA) Figure 10. Variation in ON-Resistance vs. LED Current Document Number 83823 Rev. 1.3, 14-Jul-04 LH1525AT/ AAB/ AABTR VISHAY Vishay Semiconductors 0.4 50 0.35 Capacitance (pF) Insertion Loss (dB) IF = 0mA 40 30 20 0.3 0.25 0.2 0.15 RL = 600 Ω IF = 5 mA 0.1 10 0.05 0 100 0 0 10 20 30 40 50 60 70 80 90 100 Applied Voltage (V) ilh1525at_10 ilh1525at_13 100 50 Load Current (uA) 60 Isolation (dB) 60 40 RL = 50 W VP = 10 V 0 100 85 °C 25 °C -40 °C 30 20 IF = 0 mA IL = <50 uA 0 10000 100000 0 1000000 Frequency (Hz) 85 °C 70 °C 50 °C 25 °C 250 200 150 100 50 0 100 ilh1525at_12 200 300 400 Load Voltage (V) Figure 13. Leakage Current vs. Applied Voltage at Elevated Temperatures Document Number 83823 Rev. 1.3, 14-Jul-04 200 300 400 500 Figure 15. Switch Breakdown Voltage vs. Load Current CHANGE IN BREAKDOWN VOLTAGE (%) NORMALIZED TO 25 °C 300 100 Switch Breakdown Voltage (V) ilh1525at_14 Figure 12. Output Isolation Leakage Current (nA) 1000000 40 10 1000 ilh1525at_11 0 100000 Figure 14. Insertion Loss vs. Frequency 120 80 10000 Frequency (Hz) Figure 11. Switch Capacitance vs. Applied Voltage 20 1000 8 6 4 2 0 -2 -4 -6 -8 -40 ilh1525at_15 -20 0 20 40 60 80 AMBIENT TEMPERATURE, TA (°C) Figure 16. Switch Breakdown Voltage vs. Temperature www.vishay.com 5 LH1525AT/ AAB/ AABTR VISHAY Vishay Semiconductors 45 IF = 5 mA Change in Ton (%), norm to 25 °C Switch Offset Voltage (µV) 5 4 3 2 1 0 20 30 40 50 60 70 80 90 Ambient Temperature, TA (°C) ilh1525at_16 30 15 0 -30 -40 -20 0 20 40 60 80 Temperature (°C) ilh1525at_19 Figure 17. Switch Offset Voltage vs. Temperature Figure 20. Turn-on Time vs. Temperature 0.6 35 Change in Toff (%), norm. to 25 °C Switch Offset Voltage (µV) IF = 5 mA IL = 50 mA -15 0.5 0.4 0.3 0.2 0.1 5 10 15 20 25 LED Forward Current (mA) ilh1525at_17 5 -10 -25 -40 -40 0.0 0 20 IF = 5 mA IL = 50 mA -20 Figure 18. LED Offset Voltage vs. LED Current 0 20 40 60 80 Temperature (°C) ilh1525at_20 Figure 21. Turn-off Time vs. Temperature 2.0 0.95 85 °C 0.75 25 °C Turn Off Time (ms) Turn On Time (ms) 0.16 -40 °C 0.12 0.8 0.4 IL = 50 mA ilh1525at_18 4 8 12 16 20 LED Forward Current (mA) Figure 19. Turn-on Time vs. LED Current www.vishay.com 6 0.65 T = 25 °C 0.55 0.45 T = 85 °C IL = 50 mA 0.35 0.0 0 T = -40 °C 0.25 0 ilh1525at_21 4 8 12 16 20 LED Forward Current (mA) Figure 22. Turn-off Time vs. LED Current Document Number 83823 Rev. 1.3, 14-Jul-04 LH1525AT/ AAB/ AABTR VISHAY Vishay Semiconductors Applications Input Control The LH1525 low turn-on current SSR has highly sensitive photodetection circuits that will detect even the most minute currents flowing through the LED. Leakage current must be considered when designing a circuit to turn on and off these relays. Figure 23 shows a typical logic circuit for providing LED drive current. R1 is the input resistor that limits the amount of current flowing through the LED. For 5.0 V operation, a 2700 Ω resistor will limit the drive current to about 1.4 mA. Where high-speed actuation is desirable, use a lower value resistor for R1. An additional RC peaking circuit is not required with the LH1525 relay. R2 is an optional pull-up resistor which pulls the logic level high output (VOH) up toward the VS potential. The pull-up resistance is set at a high value to minimize the overall current drawn from the VS. The primary purpose of this resistor is to keep the differential voltage across the LED below its turn-on threshold. LED dropout voltage is graphed vs. temperature in the Typical Performance Characteristics section. When the logic gate is high, leakage current will flow through R2. R2 will draw up to 8 mA before developing a voltage potential which may possibly turn on the LED. Each application should be evaluated, over the full operating temperature range to make sure that leakage current through the input control LED is kept to a value less than the minimum LED forward current for switch turn-off specification. VS R2 100 kΩ ANY TTL OR BUFFERED CMOS LOGIC R1 2700 Ω SSR ilh1525at_22 Figure 23. Input Control Circuit Package Dimensions in Inches (mm) DIP Pin One ID. 3 2 1 .256 (6.50) .248 (6.30) ISO Method A 4 5 6 .343 (8.70) .335 (8.50) .039 (1.00) Min. .300 (7.62) Typ. .150 (3.81) .130 (3.30) 4° Typ. 18° Typ. .020 (.051) Min. .022 (0.55) .018 (0.45) i178001 Document Number 83823 Rev. 1.3, 14-Jul-04 .035 (0.90) .031 (0.80) .100 (2.54) Typ. .014 (.35) .010 (.25) .150 (3.81) .110 (2.79) .347 (8.82) .300 (7.62) www.vishay.com 7 LH1525AT/ AAB/ AABTR VISHAY Vishay Semiconductors Package Dimensions in Inches (mm) SMD .343 (8.71) .335 (8.51) Pin one I.D. .030 (.76) .256 (6.50) .248 (6.30) .100 (2.54) R .010 (.25) .070 (1.78) .315 (8.00) min .435 (11.05) .050 (1.27) typ. .395 (10.03) .375 (9.63) .300 (7.62) typ. ISO Method A .039 (0.99) min. .052 (1.33) .048 (1.22) .150 (3.81) .130 (3.30) .0098 (.25) .0040 (.10) .060 (1.52) 3° to 7° 18° 4° .100 (2.54) i178002 www.vishay.com 8 .040 (1.016) .020 (0.508) .315 (8.00) min. .012 (0.31) .008 (0.20) Document Number 83823 Rev. 1.3, 14-Jul-04 LH1525AT/ AAB/ AABTR VISHAY 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 Document Number 83823 Rev. 1.3, 14-Jul-04 www.vishay.com 9