in?neon technologies, corp. ? optoelectronics division ? cupertino, ca (formerly siemens microelectronics, inc.) www.in?neon.com/irdt ? 1-800-777-4363 1 july 6, 1999-17 lh1546 solid state relay 1 form a features ? current limit protection ? l/o isolation, 5300 v rms ? typical r on 20 w ? 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 ? equivalent to cp clare lca110 ? ul file 52744 ? babt/bsi certi?ed applications ? general telecom switching C on/off hook control C ring delay C dial pulse C ground start C ground fault protection ? instrumentation ? industrial controls description the lh1546 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 bcd- mos 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 over- voltage protection is provided. the lh1546 is available in through hole (lh1546at), surface mount (lh1546aab), and smd on tape and reel (lh1546aabtr). absolute maximum ratings t a =25c ambient temperature range ................................... C40 to +85c storage temperature range.................................. C40 to +150c soldering temperature (t=10 s. max.) ................................ 260c isolation test voltage (for 1.0 s.) .................................. 5300 v rms isolation resistance v io =500 v, t a =25c ..................................................... 3 10 12 w v io =500 v, t a =100c ................................................... 3 10 11 w ssr output power dissipation (continuous).................... 550 mw led continuous forward current ....................................... 50 ma led reverse voltage ( i r 10 ma) ......................................... 8.0 v dc or peak ac load voltage ( i l 50 ma) ............................ 350 v continuous dc load current at 25c bidirectional................................................................... 120 ma unidirectional ................................................................ 200 ma stresses in excess of the absolute maximum ratings can cause permanent damage to the device. these are absolute stress rat- ings 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 max- imum ratings for extended periods of time can adversely affect reliability. .010 (.25) typ. .114 (2.90) .130 (3.0) .130 (3.30) .150 (3.81) .031 (0.80) min. .300 (7.62) typ. .031 (0.80) .035 (0.90) .100 (2.54) typ. .039 (.99) min. .018 (0.45) .022 (0.55) .052 (1.33) .048 (1.22) .248 (6.30) .256 (6.50) .335 (8.50) .343 (8.70) pin one id 6 5 4 1 2 3 18 3 ? .300?347 (7.62?.81) 4 typ. .150 (3.81) .130 (3.30) .100 (2.54) .052 (1.33) .048 (1.22 4 .040 (1.016) .020 (0.508) .0098 (.25) .0040 (.10) .012 (0.31) .008 (0.20) .300 (7.62) .395 (10.03) .375 (9.63) 3 to 7 18 min. .315 (8.00) typ. .050 (1.27) typ. .039 (.99) min. dimensions in inches (mm) smd s 6 5 4 1 2 3 dc a k s' dip
in?neon technologies, corp. ? optoelectronics division ? cupertino, ca (formerly siemens microelectronics, inc.) lh1546 www.in?neon.com/irdt ? 1-800-777-4363 2 july 6, 1999-17 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 symbol min. typ. max. units test conditions input led forward current, switch turn-on i fon 1.0 2.0 ma i l =100 ma, t=10 ms led forward current, switch turn-off i foff 0.2 0.9 ma v l 350 v led forward voltage v f 1.15 1.26 1.45 v i f =10 ma output on-resistance, ac/dc: pin 4 () to 6 () r on 2035 w i f =5.0 ma, i l =50 ma on-resistance, dc: pin 4, 6 (+) to 5 (-) 5.00 10.0 w i f =5.0 ma, i l =100 ma off-resistance r off 0.5 5000 g w i f =0 ma, v l =100 v off-state leakage current i o 0.32 200 na i f =0 ma, v l =100 v 1.0 ma i f =0 ma, v l =350 v output capacitance, pin 4 to 6 c o 55pf i f =0 ma, v l =1.0 v 10pf i f =0 ma, v l =50 v switch offset 0.15 v i f =5.0 ma transfer input/output capacitance c iso 0.8 pf v iso =1.0 v turn-on time t on 2.0 3.0 ms i f =5.0 ma, i l =50 ma turn-off time t off 1.0 3.0 ms i f =5.0 ma, i l =50 ma figure 1. recommended operating conditions 80 60 0 40 120 100 20 ?0 ?0 0 20 40 60 80 load current (ma) ambient temperature ( c) i fon =2.0 ma i fon =3.0 ma i fon =4.0 ma i fon =5.0 to 20 ma
in?neon technologies, corp. ? optoelectronics division ? cupertino, ca (formerly siemens microelectronics, inc.) lh1546 www.in?neon.com/irdt ? 1-800-777-4363 3 july 6, 1999-17 figure 2. led voltage vs. temperature figure 3. led current for switch turn-on vs. temperature figure 4. led dropout voltage vs. temperature ambient temperature ( c) led forward voltage (v) 1.6 1.5 1.4 1.0 1.3 1.2 1.1 ?0 ?0 0 20 40 60 80 i f =50 ma i f =20 ma i f =5.0 ma i f =10 ma i f =1.0 ma i f =2.0 ma ambient temperature ( c) 100 ?0 led forward current for switch turn-on (%) normalized to 25 c 80 60 40 ?0 ?0 20 ?0 0 ?0 0 20 40 60 80 i l =100 ma ambient temperature ( c) ?0 ?0 0 20 40 60 80 led forward voltage (v) 1.20 1.15 1.10 0.95 1.00 1.05 min. typ. i l =100 ma figure 5. current limit vs. temperature figure 6. switch offset voltage vs. led current figure 7. on-resistance vs. temperature change in current limit (%) normalized to 25 c 40 10 30 20 0 ?0 ?0 ?0 ?0 t=5 ms ambient temperature ( c) i f =5.0 ma v l = see elec. char. ?0 ?0 0 20 40 60 80 led forward current (ma) switch offset voltage ( v) 0.6 0 0.5 0.2 0.3 0.4 0.1 0 5 10 15 20 25 change in on-resistance (%) normalized to 25 c 50 10 30 20 40 ?0 ?0 ?0 ?0 0 ambient temperature ( c) ?0 ?0 0 20 40 60 80 i l =50 ma
in?neon technologies, corp. ? optoelectronics division ? cupertino, ca (formerly siemens microelectronics, inc.) lh1546 www.in?n eo n. co m / ir dt ? 1- 800 -777-4 363 4 ju l y 6, 1 999 -17 figure 8. variation in on-resistance vs. led current figure 9. switch capacitance vs. applied voltage figure 10. insertion loss vs. frequency 0 4 8 12 16 20 1.5 0.5 ?.5 1.0 0 led forward current (ma) i l =50 ma ac/dc on-resistance variation (%) normalized tc data sheet r on specification @ i f =5.0 ma 0 capacitance (pf) 80 60 50 0 40 30 20 10 70 20 40 applied voltage (v) 60 100 80 i f =0 t a =25 c f=1 mhz frequency (hz) 0.6 0.0 insertion loss (db) 0.5 0.4 0.2 0.1 10 2 10 3 10 4 10 5 0.3 r l =600 figure 11. output isolation figure 12. leakage current vs. applied voltage at elevated temperatures figure 13. switch breakdown voltage vs. temperature frequency (hz) 100 isolation (db) 80 60 40 20 0 v p =10 v r l =50 10 2 10 3 10 4 10 5 10 6 10 7 load voltage (v) 3.0 off-state leakage current (na) 2.5 2.0 1.0 0.5 1.5 0 0 50 100 150 200 250 300 350 400 85 c 70 c 50 c change in breakdown voltage (%) normalized to 25 c 8 0 4 2 6 ? ? ? ?0 ? ambient temperature ( c) ?0 ?0 0 20 40 60 80
in?neon technologies, corp. ? optoelectronics division ? cupertino, ca (formerly siemens microelectronics, inc.) lh1546 www.in?neon.com/irdt ? 1-800-777-4363 5 july 6, 1999-17 figure 14. switch offset voltage vs. temperature figure 15. turn-on time vs. temperature figure 16. turn-off time vs. temperature 20 30 40 50 60 70 80 90 ambient temperature ( c) switch offset voltage ( v) 3.5 0 3.0 1.5 2.0 2.5 0.5 1.0 i f =5.0 ma ?0 ?0 0 20 40 60 80 ambient temperature ( c) change in turn-on time (%) normalized to 25 c 60 50 ?0 ?0 ?0 0 10 20 30 40 ?0 i f =5.0 ma i l =50 ma 120 40 change in turn-off time (%) normalized to 25 c ?0 100 80 60 20 ?0 ?0 0 ?0 160 140 ?0 ?0 0 20 40 60 80 ambient temperature ( c) i l =50 ma i f =5.0 ma
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