LH1539AB/AAC/AACTR 1 Form A Photo Darlington Telecomswitch FEATURES • Solid State Relay and Autopolarity Optocoupler in One 8-pin Package • I/O Isolation, 5300 VRMS • Surface Mountable • Optocoupler – Bidirectional Current Detection – High CTR: >300% • Solid State Relay – Form A – LH1525 Type – Low Operating Current – Typical RON: 25 Ω – Load Voltage: 400 V – Load Current: 120 mA – Current-limit Protection – Linear, ac/dc Operation – Clean, Bounce-free Switching – Low Power Consumption Package Dimensions in Inches (mm) DIP pin one ID 4 3 2 1 5 6 7 8 8 7 6 5 .268 (6.81) .255 (6.48) .390 (9.91) .379 (9.63) .045 (1.14) .030 (0.76) 1 2 3 4 .300 (7.62) typ. .031 (0.79) 4° typ. .150 (3.81) .130 (3.30) .050 (1.27) .022 (.56) .018 (.46) 10° .035 (.89) .020 (.51) .250 (6.35) .230 (5.84) 3°–9° .012 (.30) .008 (.20) .100 (2.54) typ. .130 (3.30) .110 (2.79) SMD Pin one I.D. AGENCY APPROVALS .268 (6.81) .255 (6.48) • UL – File No. E52744 • CSA – Certification 093751 • BSI/BABT Cert. No. 7980 .390 (9.91) .379 (9.63) APPLICATIONS • General Telecom Switching – On/off-hook Switching – Dial Pulse – Ring Current Detection – Loop Current Sensing DESCRIPTION The LH1539 telecom switch consists of an optically isolated solid state relay (SSR) Form A and a bidirectional input optocoupler in a single 8-pin package. The SSR is ideal for switchhook and dial-pulse switching while the optocoupler performs ring detect and loop current sensing functions. Both the SSR and optocoupler provide 5300 VRMS of input-to-output isolation voltage. The SSR is integrated on a monolithic receptor die using smart power technology. The SSR features low ONresistance, high breakdown voltage, and current-limit circuitry that protects the relay from telephone line induced lightning surges. .045 (1.14) .030 (0.78) 4° typ. .050 (1.27) typ. .031 (.79) typ. .150 (3.81) .130 (3.30) Radius .008 (.25) .004 (.10) .040 (1.02) .020 (.51) .100 (2.54) typ. .395 (10.03) .375 (9.52) .312 (7.80) .298 (7.52) 10° .315 (8.00) typ. 3° to 7° .010 (2.54) typ. Part Identification Part Number Description LH1539AB 8-pin DIP, Tubes LH1539AAC 8-pin SMD, Gullwing, Tubes LH1539AACTR 8-pin SMD, Gullwing, Tape and Reel The optocoupler provides bidirectional current sensing via two antiparallel GaAs infrared emitting diodes. Very high current transfer ratio (CTR) is achieved by coupling to a photodarlington transistor. This high CTR allows the user to minimize the size of the ring detector capacitor. Document Number: 83832 Revision 17-August-01 www.vishay.com 3–146 Absolute Maximum Ratings, TA=25°C Recommended Operating Conditions Parameter Sym. Min. LED Forward IFon Current for Switch Turn-on (TA=–40°C to +85°C) 3.0 Typ. Max. Unit — 20 mA Stresses in excess of the absolute Maximum Ratings can cause permanent damage to the device. These are absolute stress ratings only. 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 LED Continuous Forward Current (IF) ........................................ 50 mA LED Reverse Voltage (IR≤10 µA) (VR) ...........................................8.0 V dc or Peak ac Load Voltage (IL≤50 µA) (VL) ..................................400 V Continuous dc Load Current (IL) .............................................. 120 mA Optocoupler LED Continuous Forward Current (IF) .................................................. 50 mA LED Reverse Voltage (IR≤10 µA) (VR) ............................................3.0 V Collector-emitter Breakdown Voltage (BVCEO) ...............................30 V Photodarlington Power Dissipation (PDISS) ............................. 150 mW Package Ambient Operating Temperature Range (TA).................. –40° to +85°C Storage Temperature Range (Tstg) .................................. –40° to +85°C Pin Soldering Temperature (t=10 s max) (TS). ............................. 269°C Input/Output Isolation Voltage (t=60 s min) (VISO)............... 5300 VRMS Total Package Power Dissipation (PDISS) ................................. 600 mW Electrical Characteristics, TA=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 purposes only and are not part of the testing requirements. Parameter Symbol Min. Typ. Max. Unit Test Condition LED Forward Current, Switch Turn-on IFon — 0.5 1.0 mA IL=100 mA, t=10 ms LED Forward Current, Switch Turn-off IFoff 0.1 0.4 — mA VL=±300 V LED Forward Voltage VF 0.8 1.2 1.4 V IF=3.0 mA ON-resistance RON 17 25 33 Ω IF=3.0 mA, IL=±50 mA OFF-resistance ROF — 5000 — GΩ IF=0 mA, VL=±100 V Current Limit ILMT 170 210 270 mA IF=5.0 mA, t=5.0 ms Output Off-state Leakage Current — — 0.04 100 nA IF=0 mA, VL=±100 V Output Capacitance Pins 4 to 6 — — 55 10 — — pF pF IF=0 mA, VL=1.0 V IF=0 mA, VL=50 V Turn-on Time ton — — 2.0 ms IF=5.0 mA, IL=50 mA Turn-off Time toff — — 0.5 ms IF=5.0 mA, IL=50 mA LED Forward Voltage VF 0.9 1.2 1.5 V IF=10 mA SSR Optocoupler dc Current Tranfer Ratio CTR 300 — — % IF=0.05 mA, VCE=0.9 V Saturation Voltage VCEsat — — 1.0 V IF=0.05 mA, IC=0.15 mA Leakage Current ICEO — — N/A — IF=0 mA, VCE=5.0 V Document Number: 83832 Revision 17-August-01 www.vishay.com 3–147 Typical Performance Characteristics Figure 4. LED Dropout Voltage vs. Temperature Figure 1. LED Voltage vs. Temperature 1.20 1.5 LED FORWARD VOLTAGE (V) LED FORWAD VOLTAGE (V) 1.6 IF = 50 mA IF = 20 mA 1.4 1.3 1.2 1.1 IF = 1 mA IF = 2 mA 1.0 –40 IF = 5 mA IF = 10 mA –20 0 20 40 60 AMBIENT TEMPERATURE, TA (°C) 1.00 0.90 0.80 0.70 –40 80 0 20 40 60 80 Figure 5. Current Limit vs. Temperature 40 300 IF = 5 mA, t = 5 ms CHANGE IN CURRENT LIMIT (%) NORMALIZED TO 25 °C IL = 100 mA 200 100 0 –100 –40 –20 0 20 40 60 80 30 20 10 0 –10 –20 –30 –40 –40 AMBIENT TEMPERATURE, TA (°C) 0 20 40 60 80 Figure 6. Variation in ON-Resistance vs. LED Current ac/dc ON-RESISTANCE VARIATION (%) NORMALIZED TO DATA SHEET RON SPECIFICATION @ IF = 5 mA 50 IL = 50 mA 40 30 20 10 0 –10 –20 –30 –40 –40 –20 AMBIENT TEMPERATURE, TA (°C) Figure 3. ON-Resistance vs. Temperature CHANGE IN ON-RESISTANCE (%) NORMALZED TO 25 °C –20 AMBIENT TEMPERATURE, TA (°C) Figure 2. LED Current for Switch Turn-on/off vs. Temperature LED FORWARD CURRENT FOR SWITCH TURN-0N/OFF (%) NORMALIZED TO 25 °C 1.10 9 8 7 6 5 4 3 2 1 0 –20 0 20 40 60 80 0.0 1.0 2.0 3.0 4.0 5.0 LED FORWARD CURRENT (mA) AMBIENT TEMPERATURE, TA (°C) Document Number: 83832 Revision 17-August-01 www.vishay.com 3–148 Figure 7. Switch Capacitance vs. Applied Voltage Figure 10. Insertion Loss vs. Frequency 70 INSERTION LOSS (dB) 0.6 CAPACITNCE (pF) 60 50 40 30 RL = 600 Ω 0.5 0.4 0.3 0.2 20 0.1 10 0.0 0 0 20 40 60 80 100 102 103 APPLIED VOLTAGE (V) Figure 11. Leakage Current vs. Applied Voltage 100 100 OFF-STATE LEAKAGE CURRENT (pA) VP =10 V RL =50 Ω 80 ISOLATION (dB) 105 FREQUENCY (Hz) Figure 8. Output Isolation 60 40 20 102 103 104 105 106 IF = 0 mA TA = 25 °C 90 80 70 60 50 40 30 20 10 0 0 107 0 50 100 FREQUENCY (Hz) CHANGE IN BREAKDOWN VOLTAGE (%) NORMALIZED TO 25 °C 85 °C 2.5 2.0 1.5 70 °C 1.0 50 °C 0.5 0.0 0 50 100 150 200 250 300 LOAD VOLTAGE (V) Document Number: 83832 Revision 17-August-01 200 250 300 350 400 Figure 12. Switch Breakdown Voltage vs. Temperature 3.5 3.0 150 LOAD VOLTAGE (V) Figure 9. Leakage Current vs. Applied Voltage at Elevated Temperatures OFF-STATE LEAKAGE CURRENT (nA) 104 350 400 8 6 4 2 0 –2 –4 –6 –8 –40 –20 0 20 40 60 80 AMBIENT TEMPERATURE, TA (°C) www.vishay.com 3–149 Figure 13. Switch Offset Voltage vs. Temperature Figure 16. LED Offset Voltage vs. LED Current 0.6 5 IF = 5 mA 0.5 4 0.4 (µV) (µA) 3 0.3 2 0.2 1 0.1 0.0 0 20 30 40 50 60 70 80 0 90 AMBIENT TEMPERATURE, TA (°C) Figure 14. Turn-On Time vs. Temperature CHANGE IN TURN-ON TIME (%) NORMALIZED TO 25 °C CHANGE IN TURN-0N TIME (%) NORMALIZD TO 25 °C 30 20 10 0 –10 –20 –30 20 25 IF = 5 mA IL = 50 mA 10 5 0 –5 –10 –15 –20 0 20 40 60 –40 80 –20 AMBIENT TEMPERATURE, TA (°C) (mA) 20 40 60 80 Figure 18. Turn-off Time vs. LED Current 3.0 2.4 2.4 TURN-OFF TIME (ms) 3.0 1.8 85° 25° 1.2 0 AMBIENT TEMPERATURE, TA (°C) Figure 15. Turn-On Time vs. LED Current TURN-ON TIME (ms) 15 15 IF = 5 mA IL = 50 mA 40 –40 –40 10 Figure 17. Turn-Off Time vs. Temperature 60 50 5 LED FORWARD CURRENT (mA) –40° 0.6 0.0 85 °C 25 °C 1.8 1.2 –40 °C 0.6 0.0 0 4 8 12 16 LED FORWARD CURRENT (mA) Document Number: 83832 Revision 17-August-01 20 0 4 8 12 16 20 LED FORWARD CURRENT (mA) www.vishay.com 3–150 This datasheet has been download from: www.datasheetcatalog.com Datasheets for electronics components.