lh1540aab/ aabtr/ at document number 83833 rev. 1.4, 26-oct-04 vishay semiconductors www.vishay.com 1 4 65 s' s dc 123 ss' i179001 dip smd pb p b -free e3 1 form a solid state relay features ? current limit protection isolation test voltage 5300 v rms typical r on 20 ? , max 25 ? load voltage 350 v load current 120 ma high surge capability clean bounce free switching low power consumption high reliability monolithic detector smd lead available on tape and reel 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 fimko approval applications general telecom switching - on/off hook control - ring delay - dial pulse - ground start - ground fault protection instrumentation industrial controls see "solid state relays " (application note 56) description the lh1540 is robust, ideal for telecom and ground fault applications. it is a spst normally open switch (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 com- prised of a photodiode array, switch control circuitry and mosfet switches. in addition, it employs cur- rent-limiting circuitry which meets fcc 68.302 and other regulatory voltage surge requirements when overvoltage protection is provided. order information part remarks lh1540aab thru hole, smd-6 lh1540aabtr tape and reel, smd-6 LH1540AT dip-6
www.vishay.com 2 document number 83833 rev. 1.4, 26-oct-04 lh1540aab/ aabtr/ at vishay semiconductors absolute maximum ratings, t amb = 25 c stresses in excess of the absolute maximum ratings can caus e permanent damage to the device. f unctional operation of the device is not implied at these or any other conditions in excess of those given in the operati onal sections of this document. exposure to absolute maximum ratings for extended periods of time can adversely affect reliability. ssr 1) refer to current limit performance application note for a discussion on relay operat ion during transient currents. electrical char acteristics, t amb = 25 c minimum and maximum values are testing require ments. typical values are c haracteristics of the device and are the result of eng ineering evaluations. typical values are for information only and are not part of the testing requirements. input output parameter test condition symbol value unit led continuous forward current i f 50 ma led reverse voltage i r 10 av r 8.0 v dc or peak ac load voltage i l 50 av l 350 v continuous dc load current - bidirectional operation i l 120 ma continuous dc load current - unidirectional operation i l 250 ma peak load current (single shot) t = 100 ms i p 1) ma ambient temperature range t amb - 40 to + 85 c storage temperature range t stg - 40 to + 150 c pin soldering temperature t = 10 s max t sld 260 c input/output isolation voltage v iso 5300 v rms output power dissipation (continuous) p diss 550 mw parameter test condition symbol min ty p. max unit led forward current, switch turn-on i l = 100 ma, t = 10 ms i fon 1.0 2.0 ma led forward current, switch turn-off v l = 300 v i foff 0.2 0.9 ma led forward voltage i f = 10 ma v f 1.15 1.26 1.45 v parameter test condition symbol min ty p. max unit on-resistance ac/dc: pin 4 () to 6 () i f = 5.0 ma, i l = 50 ma r on 12 20 25 ? on-resistance dc: pin 4, 6 (+) to 5 () i f = 5.0 ma, i l = 100 ma r on 3.0 5.0 6.25 ? off-resistance i f = 0 ma, v l = 100 v r off 0.5 5000 g ? current limit ac/dc : pin 4 () to 6 () i f = 5.0 ma, v l = 6.0 v, t = 5.0 ms i lmt 175 210 250 ma off-state leakage current i f = 0 ma, v l = 100 v i o 0.32 200 na i f = 0 ma, v l = 350 v i o 1.0 a output capacitance pin 4 to 6 i f = 0 ma, v l = 1.0 v c o 55 pf i f = 0 ma, v l = 50 v c o 10 pf switch offset i f = 5.0 ma v os 0.15 v
lh1540aab/ aabtr/ at document number 83833 rev. 1.4, 26-oct-04 vishay semiconductors www.vishay.com 3 transfer typical characteris tics (tamb = 25 c unless otherwise specified) parameter test condition symbol min ty p. max unit capacitance (input-output) v iso = 1.0 v c io 0.8 pf turn-on time i f = 5.0 ma, i l = 50 ma t on 1.2 2.0 ms turn-off time i f = 5.0 ma, i l = 50 ma t off 0.5 2.0 ms figure 1. recommended operating conditions figure 2. led voltage vs. temperature 0 0 i1540at_01 ambient temperature (c) led forward voltage (v) 1.6 1.5 1.4 1.0 1.3 1.2 1.1 C40 C20 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 figure 3. led dropout voltage vs. temperature figure 4. led current for switch turn-on vs. temperature i1540at_02 ambient temperature ( c) C40 C20 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 i1540at_03 ambient temperature ( c) 100 C60 led forward current for switch turn-on (%) normalized to 25 c 80 60 40 C40 C40 20 C20 0 C20 0 20 40 60 80 i l =100 ma
www.vishay.com 4 document number 83833 rev. 1.4, 26-oct-04 lh1540aab/ aabtr/ at vishay semiconductors figure 5. current limit vs. temperature figure 6. on-resistanc e vs. temperature figure 7. variation in on-r esistance vs. led current i1540at_04 change in current limit (%) normalized to 25 c 40 10 30 20 0 C20 C10 C40 C30 t=5 ms ambient temperature (c) i f =5.0 ma v l = see elec. char. C40 C20 0 20 40 60 80 i1540at_05 change in on-resistance (%) normalized to 25 c 50 10 30 20 40 C20 C30 C10 C40 0 ambient temperature ( c) C40 C20 0 20 40 60 80 i l =50 ma i1540at_06 04 8121620 1.5 0.5 C0.5 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 figure 8. switch capacitance vs. applied voltage figure 9. insertion loss vs. frequency figure 10. output isolation i1540at_07 0 capacitance (pf) 80 60 50 0 40 30 20 10 70 20 40 applied voltage (v) 60 100 80 i f =0 f=1.0 mhz i1540at_08 frequency (hz) 0.30 0 insertion loss (db) 0.25 0.20 0.10 0.05 10 2 10 3 10 4 10 5 0.15 r l =600 i1540at_09 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
lh1540aab/ aabtr/ at document number 83833 rev. 1.4, 26-oct-04 vishay semiconductors www.vishay.com 5 figure 11. leakage current vs. applied voltage figure 12. leakage current vs. applied voltage at elevated temperatures figure 13. switch breakdown voltage vs. temperature 0 10 20 30 40 50 60 70 80 0 100 200 300 400 load voltage ( v ) 17321 offCstate leakage current ( na ) t=25 c 0 20 40 60 80 100 120 140 0 100 200 300 400 load voltage ( v ) 17322 offCstate leakage current ( na ) t=85 c t=75 c t=50 c i1540at_12 C40 C20 0 20 40 60 80 ambient temperature ( c) change in breakdown voltage (%) normalized to 25 c 8 0 4 2 6 C2 C6 C8 C4 figure 14. switch offset voltage vs. temperature figure 15. switch offset voltage vs. led current figure 16. turn-on time vs. temperature i1540at_13 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 i1540at_14 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 i1540at_15 C40 C20 0 20 40 60 80 ambient temperature ( c) change in turn-on time (%) normalized to 25 c 60 50 C20 C30 C10 0 10 20 30 40 C40 i f =5.0 ma i l =50 ma
www.vishay.com 6 document number 83833 rev. 1.4, 26-oct-04 lh1540aab/ aabtr/ at vishay semiconductors figure 17. turn-off time vs. temperature figure 18. turn-on time vs. led current figure 19. turn-off time vs. led current i1540at_16 120 40 change in turn-off time (%) normalized to 25 c C40 100 80 60 20 C20 C60 0 C80 160 140 C40 C20 0 20 40 60 80 ambient temperature ( c) i l =50 ma i f =5.0 ma i1540at_17 led forward current (ma) turn-on time (ms) 10 8 6 0 2 01020304050 4 i l =50 ma C40 c C40 c 25 c 25 c 85 c 85 c i1540at_18 01020304050 led forward current (ma) turn-on time (ms) 0.2 0.4 0.6 0.8 1.0 1.2 1.4 i l =50 ma C40 c 25 c 85 c
lh1540aab/ aabtr/ at document number 83833 rev. 1.4, 26-oct-04 vishay semiconductors www.vishay.com 7 package dimensions in inches (mm) package dimensions in inches (mm) .014 (.35) .010 (.25) .150 (3.81) .110 (2.79) .150 (3.81) .130 (3.30) .020 (.051) min. .300 (7.62) typ. .035 (0.90) .031 (0.80) .100 (2.54) typ. .039 (1.00) min. .022 (0.55) .018 (0.45) .256 (6.50) .248 (6.30) .343 (8.70) .335 (8.50) pin one id. 6 5 4 1 2 3 18 typ. .347 (8.82) .300 (7.62) 4 typ. dip isomethoda i178001 .343 (8.71) .335 (8.51) .256 (6.50) .248 (6.30) pin one i.d. .039 (0.99) min. .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. smd iso method a i178002 .100 (2.54) r .010 (.25) .070 (1.78) .030 (.76) .060 (1.52) .315 (8.00) min .435 (11.05)
www.vishay.com 8 document number 83833 rev. 1.4, 26-oct-04 lh1540aab/ aabtr/ at 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 performan ce 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 rele ases of those substances in to 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 po licy 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 semi conductors are not manufactured with ozone depleting substances and do not co ntain 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 buy er use vishay semiconductors products for any unintended or unauthorized application, the buyer sh all 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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