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| LH1540AT/AAB/AABTR 1 Form A Solid State Relay FEATURES * Current Limit Protection * l/O Isolation, 5300 VRMS * Typical RON 20 , max 25 * 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 * Flammability; UL94,VO AGENCY APPROVALS * UL - File No. E52744 * BSI/BABT Cert. No. 7980 * FIMKO Approval * CSA - Certification 093751 APPLICATIONS * General Telecom Switching - On/off Hook Control - Ring Delay - Dial Pulse - Ground Start - Ground Fault Protection * Instrumentation * Industrial Controls * See Application Note 56 DESCRIPTION The LH1540 is robust, ideal for telecom and ground fault applications. It is a SPST normally open switch (1 Form A) that replaces electromechanical relays in many applications. It 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, is comprised of a photodiode array, switch control circuitry and MOSFET switches. In addition, it employs current-limiting circuitry which meets FCC 68.302 and other regulatory voltage surge requirements when overvoltage protection is provided. Package Dimensions in Inches (mm) DIP Pin One ID. 3 .256 (6.50) .248 (6.30) 4 5 6 2 1 S 6 DC 5 S' 4 S S' 1 2 3 .343 (8.70) .335 (8.50) .039 (1.00) Min. 4 Typ. .020 (.051) Min. .022 (0.55) .018 (0.45) .035 (0.90) .031 (0.80) .100 (2.54) Typ. .300 (7.62) Typ. .150 (3.81) .130 (3.30) 18 Typ. .014 (.35) .010 (.25) .347 (8.82) .300 (7.62) .150 (3.81) .110 (2.79) SMD .343 (8.71) .335 (8.51) Pin one I.D. .256 (6.50) .248 (6.30) .050 (1.27) typ. .052 (1.33) .048 (1.22) .150 (3.81) .130 (3.30) .0098 (.25) .0040 (.10) .040 (1.016) .020 (0.508) .395 (10.03) .375 (9.63) .300 (7.62) typ. .039 (0.99) min. 3 to 7 18 .012 (0.31) .008 (0.20) 4 .100 (2.54) .315 (8.00) min. Part Identification Part Number LH1540AT LH1540AAB LH1540AABTR Description 6-pin DIP, Thru Hole 6-pin SMD 6-pin SMD, Tape and Reel 2001 Infineon Technologies Corp. * Optoelectronics Division * San Jose, CA www.infineon.com/opto * 1-888-Infineon (1-888-463-4636) 3-154 March 23, 2001-12 Recommended Operating Conditions 120 100 Load Current (mA) 80 60 40 20 0 -40 IFon = 2.0 mA IFon = 3.0 mA IFon = 4.0 mA IFon = 5.0 to 20 mA Absolute Maximum Ratings, TA=25C 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. -20 0 20 40 60 80 Ambient Temperature (C) Ambient Temperature Range (TA) .................................... -40 to +85C Storage Temperature Range (Tstg) ................................. -40 to +150C Pin Soldering Temperature (t=10 s max) (TS) ............................. 260C Input/Output Isolation Voltage (VISO) .................................. 5300 VRMS LED Continuous Forward Current (IF) .........................................50 mA LED Reverse Voltage (IR10 A) (VR)........................................... 8.0 V DC or Peak AC Load Voltage (IL50 A) (VL) .............................. 350 V Continuous DC Load Current (IL) Bidirectional Operation............................................................120 mA Unidirectional Operation..........................................................250 mA Peak Load Current (t=100 ms) (single shot) (IP) ................................ Output Power Dissipation (continuous) (PDISS)........................ 550 mW Refer to Current Limit Performance Application Note for a discussion on relay operation during transient currents. Electrical Characteristics, TA=25C 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 ac/dc: Pin 4 () to 6 () dc: Pin 4, 6 (+) to 5 () OFF-resistance Current Limit ac/dc: Pin 4 () to 6 () dc: Pin 4, 6 (+) to 5 () Off-state Leakage Current IFon IFoff VF -- 0.2 1.15 1.0 0.9 1.26 2.0 -- 1.45 mA mA V IL=100 mA, t=10 ms VL300 V IF=10 mA IF=5.0 mA, IL=50 mA IF=5.0 mA, IL=100 mA G mA IF=0 mA, VL=100 V IF=5.0 mA, t=5.0 ms VL=6.0 V IF=5.0 mA, t=5.0 ms VL=4.0 V nA A pF IF=0 mA, VL=100 V IF=0 mA, VL=350 V IF=0 mA, VL=1.0 V IF=0 mA, VL=50 V V IF=5.0 mA VISO=1.0 V IF=5.0 mA, IL=50 mA IF=5.0 mA, IL=50 mA Sym. Min. Typ. Max. Units Test Conditions RON 12 3.0 20 5.0 5000 210 -- 0.32 1.0 55 10 0.15 25 6.25 -- 250 -- 200 350 -- -- -- ROFF ILMT 0.5 175 -- -- -- -- Output Capacitance Pin 4 to 6 Switch Offset Transfer Input/Output Capacitance Turn-on Time Turn-off Time -- -- -- -- -- CISO ton toff -- -- -- 0.8 1.2 0.5 -- 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) 3-155 LH1540AT/AAB/AABTR March 23, 2001-12 Typical Performance Characteristics Figure 1. LED Voltage vs. Temperature 1.6 CHANGE IN CURRENT LIMIT (%) NORMALIZED TO 25C LED FORWARD VOLTAGE (V) 1.5 IF=50 mA 1.4 1.3 1.2 IF=1.0 mA 1.1 IF=2.0 mA 1.0 -40 IF=5.0 mA IF=10 mA -20 0 20 40 60 80 IF=20 mA Figure 4. Current Limit vs. Temperature 40 30 20 10 0 -10 -20 -30 -40 -40 -20 0 20 40 60 80 IF=5.0 mA t=5 ms VL=SEE ELEC. CHAR. AMBIENT TEMPERATURE (C) AMBIENT TEMPERATURE (C) Figure 2. LED Dropout Voltage vs. Temperature 1.20 LED FORWARD VOLTAGE (V) IL=100 mA 1.15 TYP. 1.10 MIN. 1.05 Figure 5. ON-Resistance vs. Temperature 50 CHANGE IN ON-RESISTANCE (%) NORMALIZED TO 25C 40 30 20 10 0 -10 -20 -30 -40 -40 -20 0 20 40 60 80 IL=50 mA 1.00 0.95 -40 -20 0 20 40 60 80 AMBIENT TEMPERATURE (C) AMBIENT TEMPERATURE (C) Figure 3. LED Current for Switch Turn-on vs. Temperature LED FORWARD CURRENT FOR SWITCH TURN-ON (%) NORMALIZED TO 25C 100 IL=100 mA 80 60 40 20 0 -20 -40 -60 -40 -20 0 20 40 60 80 Figure 6. Variation in ON-Resistance vs. LED Current ac/dc ON-RESISTANCE VARIATION (%) NORMALIZED TC DATA SHEET RON SPECIFICATION @ IF=5.0 mA 1.5 IL=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) 3-156 LH1540AT/AAB/AABTR March 23, 2001-12 Figure 7. Switch Capacitance vs. Applied Voltage 80 70 CAPACITANCE (pF) 60 50 40 30 20 10 0 0 20 40 60 80 100 APPLIED VOLTAGE (V) IF=0 TA=25C f=1.0 MHz Figure 10. Leakage Current vs. Applied Voltage OFF-STATE LEAKAGE CURRENT (pA) 100 90 80 70 60 50 40 30 20 10 0 0 50 100 150 200 250 300 350 400 IF=0 TA=25C LOAD VOLTAGE (V) Figure 8. Insertion Loss vs. Frequency Figure 11. Leakage Current vs. Applied Voltage at Elevated Temperatures OFF-STATE LEAKAGE CURRENT (nA) 3.0 2.5 2.0 1.5 1.0 0.5 0 0 50 100 150 200 250 300 350 400 LOAD VOLTAGE (V) 70C 85C 0.30 INSERTION LOSS (dB) 0.25 0.20 0.15 0.10 0.05 0 RL=600 50C 102 103 104 105 FREQUENCY (Hz) Figure 9. Output Isolation 100 80 ISOLATION (dB) VP=10 V RL=50 Figure 12. Switch Breakdown Voltage vs. Temperature CHANGE IN BREAKDOWN VOLTAGE (%) NORMALIZED TO 25C 8 6 4 2 0 -2 -4 -6 -8 -40 -20 0 20 40 60 80 60 40 20 0 102 103 104 105 106 107 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) 3-157 LH1540AT/AAB/AABTR March 23, 2001-12 Figure 13. Switch Offset Voltage vs. Temperature 3.5 SWITCH OFFSET VOLTAGE (V) 3.0 2.5 2.0 1.5 1.0 0.5 0 20 30 40 50 60 70 80 90 AMBIENT TEMPERATURE (C) IF=5.0 mA Figure 16. Turn-off Time vs. Temperature 160 140 120 100 80 60 40 20 0 -20 -40 -60 -80 -40 CHANGE IN TURN-OFF TIME (%) NORMALIZED TO 25C IF=5.0 mA IL=50 mA -20 0 20 40 60 80 AMBIENT TEMPERATURE (C) Figure 14. Switch Offset Voltage vs. LED Current 0.6 SWITCH OFFSET VOLTAGE (V) 0.5 Figure 17. Turn-on Time vs. LED Current 10 8 -40C 6 25C 85C 4 -40C 2 0 25C 85C IL=50 mA 0.4 0.3 0.2 0.1 0 0 5 10 15 20 25 LED FORWARD CURRENT (mA) TURN-ON TIME (ms) 0 10 20 30 40 50 LED FORWARD CURRENT (mA) Figure 15. Turn-on Time vs. Temperature 60 50 40 30 20 10 0 -10 -20 -30 -40 -40 -20 0 20 40 IF=5.0 mA IL=50 mA 60 80 Figure 18. Turn-off Time vs. LED Current 1.4 IL=50 mA 1.2 TURN-ON TIME (ms) 1.0 0.8 0.6 0.4 0.2 0 10 20 30 40 50 LED FORWARD CURRENT (mA) 25C -40C CHANGE IN TURN-ON TIME (%) NORMALIZED TO 25C 85C AMBIENT TEMPERATURE (C) 2001 Infineon Technologies Corp. * Optoelectronics Division * San Jose, CA www.infineon.com/opto * 1-888-Infineon (1-888-463-4636) 3-158 LH1540AT/AAB/AABTR March 23, 2001-12 |
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