lh1544aac/ aactr/ ab document number 83835 rev. 1.3, 26-oct-04 vishay semiconductors www.vishay.com 1 i179034 8765 123 4 s2' s2 s1 s1' s2' s2 s1 s1' dip smd pb p b -free e3 dual 1 form a solid state relay (low capacitance) features ? dual channel, lh1541 type low capacitance switch (5.0 pf) isolation test voltage 5300 v rms extremely high off-resistance load voltage 200 v clean bounce free switching low power consumption high reliability monolithic detector 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 din en 60747-5-2 (vde0884) din en 60747-5-5 pending fimko approval applications instrumentation - thermocouple switching - analog multiplexing reed relay replacement programmable logic controllers data acquisition test equipment description these dual ssrs (lh1544, dual 1 form a) are spst normally open switches which can replace electrome- chanical relays in many applications. the relays pro- vide a low-capacitance, high-voltage switch contact with high off-resistance and low switch-offset voltage. these characteristics, combined with high-speed actuation, result in an ssr which is ideal for small sig- nal and dc instrumentation applications. the relays are constructed by using a gaalas led for actuation control and an integrated monolithic die for the switch output. the die is comprised of a photo- diode array, switch-control circuity, and low-capaci- tance mosfet switches. order information part remarks lh1544aac tubes, smd-8 lh1544aactr tape and reel, smd-8 LH1544AB tubes, dip-8
www.vishay.com 2 document number 83835 rev. 1.3, 26-oct-04 lh1544aac/ aactr/ ab 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) breakdown occurs between the output pins external to the package 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 200 v continuous dc load current - one pole operating i l 55 ma continuous dc load current - two pole operating i l 40 ma peak load current (single shot) t = 100 ms i p 100 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 pole-to-pole isolation voltage (s1 to s2) 1) dry air, dust free, at sea level 1600 v output power dissipation (continuous) p diss 600 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 0.9 2.0 ma led forward current, switch turn-off v l = 300 v i foff 0.2 0.8 ma led forward voltage i f = 5.0 ma v f 1.10 1.19 1.45 v parameter test condition symbol min ty p. max unit on-resistance i f = 5.0 ma, i l = 50 ma r on 70 110 160 ? off-resistance i f = 0 ma, v l = 100 v r off 0.5 10000 g ? off-state leakage current i f = 0 ma, v l = 100 v i o 0.01 200 na i f = 0 ma, v l = 350 v i o 1.0 a output capacitance i f = 0 ma, v l = 1.0 v c o 0pf output capacitance pin 4 to 6 i f = 0 ma, v l = 50 v c o 0.5 pf pole-to-pole capacitance (s1 to s2) i f = 5.0 ma 0.5 pf switch offset i f = 5.0 ma v os 0.1 v
lh1544aac/ aactr/ ab document number 83835 rev. 1.3, 26-oct-04 vishay semiconductors www.vishay.com 3 transfer footnotes the following information refers to the ssr recommended opera- tion conditions: - both relays on with equal load currents. for single relay operation, refer to the lh1541 recommended operating conditions graph. 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 1.1 pf turn-on time i f = 5.0 ma, i l = 50 ma t on 0.13 0.25 ms turn-off time i f = 5.0 ma, i l = 50 ma t off 0.6 0.25 ms figure 1. recommended operating conditions figure 2. led voltage vs. temperature iLH1544AB_00 30 40 50 0 20 10 -40 -20 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 iLH1544AB_01 ambient temperature, t a (c) led forward voltage (v) -40 -20 0 20 40 60 80 1.6 1.5 1.4 1.3 1.2 1.1 1.0 i f = 1.0 ma i f =20ma i f = 2.0 ma i f = 5.0 ma i f =10ma i f =50ma figure 3.leddropoutvoltages.temperature figure 4.ledcurrentforswitchturn-ons.temperature iLH1544AB_02 -40 0 20 ambient temperature (c) 1.20 1.15 1.10 0.95 1.00 40 1.05 80 60 -20 min. typ. i l = 100 ma led forward voltage (v) iLH1544AB_03 160 -60 150 120 90 -30 -40 -20 0 20 40 60 80 60 0 30 i l =50ma ambient temperature (c) led forward current for switch turn-on (%), normalized to 25 c
www.vishay.com 4 document number 83835 rev. 1.3, 26-oct-04 lh1544aac/ aactr/ ab vishay semiconductors figure 5. on-resistanc e vs. temperature figure 6. switch capacitance vs. applied voltage figure 7. insertion loss vs. frequency iLH1544AB_04 -40 50 10 30 20 40 -20 -30 -10 -40 0 -20 0 20 40 60 80 ambient temperature (c) i l =50ma change in on-resistance (%) normalized to 25 c iLH1544AB_05 01020 applied voltage (v) 6.0 5.0 0.0 30 4.0 100 40 3.0 2.0 1.0 50 60 70 80 90 capacitance (pf) iLH1544AB_06 frequency (hz) 1.50 1.75 2.00 0 1.25 1.00 0.50 0.25 10 2 10 3 10 4 10 5 0.75 r l = 600 ? insertion loss (db) figure 8.outputisolation figure 9.leakagecurrents.appliedvoltage figure 10.leakagecurrents. appliedvoltageateleated temperatures iLH1544AB_07 frequency (hz) 100 80 60 40 20 0 10 2 10 3 10 4 10 5 10 6 10 7 isolation (db) v p =10v rl=50 ? 0 40 80 120 160 200 load voltage ( v ) 17323 t=25 c 1 10 100 1000 0.1 offCstate leakage current ( na ) 0 40 80 120 160 200 load voltage ( v ) 17324 t=85 c t=70 c t=50 c 1 10 100 1000 0.1 offCstate leakage current ( na )
lh1544aac/ aactr/ ab document number 83835 rev. 1.3, 26-oct-04 vishay semiconductors www.vishay.com 5 figure 11. switch breakdown voltage vs. temperature figure 12. switch offset voltage vs. temperature figure 13. switch offset voltage vs. led current iLH1544AB_10 ambient temperature (c) -40 -20 0 20 40 60 80 8 4 -8 -10 -6 -4 -2 0 2 6 change in breakdown voltage (%) normalized to 25 c iLH1544AB_11 20 40 ambient temperature (c) 3.5 0 50 70 60 30 3.0 1.5 2.0 2.5 0.5 1.0 80 90 i f = 5.0 ma switch offset voltage ( v) iLH1544AB_12 010 led forward current (ma) 0.6 0 15 25 20 5 0.5 0.2 0.3 0.4 0.1 switch offset voltage ( v) figure 14.turn-ontimes.temperature figure 15.turn-offtimes.temperature figure 16.turn-ontimes.ledcurrent iLH1544AB_13 -40 -20 0 20 40 60 80 ambient temperature (c) 70 50 -20 -30 -10 -40 0 10 20 30 40 60 i f = 5.0 ma i l =50ma change in turn-on time (%) normalized to 25 c iLH1544AB_14 120 40 -40 -20 0 20 40 60 80 -80 160 140 -40 100 80 60 20 -20 -60 0 ambient temperature (c) change in turn-off time (%) normalized to 25 c i l =50ma i f = 5.0 ma iLH1544AB_15 0 0.5 1 1.5 2 010 2030 4050 led current (ma) t=85c t=25c t = -40 c i l =50ma turn-on time (ms)
www.vishay.com 6 document number 83835 rev. 1.3, 26-oct-04 lh1544aac/ aactr/ ab vishay semiconductors package dimensions in inches (mm) 0.00 0.05 0.10 0.15 0.20 0.25 led forward current ( ma ) 17325 t=85 c turnCoff time ( ms ) t=25 c t = C40 c i f =5ma i l =50ma 0 10 20 30 40 50 figure 17. turn-off time vs. led current i178008 pin one id .268 (6.81) .255 (6.48) .390 (9.91) .379 (9.63) .045 (1.14) .030 (0.76) 4 typ. .100 (2.54) typ. 10 3 C9 .300 (7.62) typ. .022 (.56) .018 (.46) .012 (.30) .008 (.20) .130 (3.30) .110 (2.79) .150 (3.81) .130 (3.30) .035 (.89) .020 (.51) .250 (6.35) .230 (5.84) 4 3 2 1 .031 (0.79) .050 (1.27) 5 6 78 dip iso method a
lh1544aac/ aactr/ ab document number 83835 rev. 1.3, 26-oct-04 vishay semiconductors www.vishay.com 7 package dimensions in inches (mm) i178009 pin one i.d . .390 (9.91) .379 (9.63) .045 (1.14) .030 (0.78) .040 (1.02) .020 (.51) 4 typ. .008 (.25) .004 (.10) .150 (3.81) .130 (3.30) .100 (2.54) typ. .050 (1.27) typ. .312 (7.80) .298 (7.52) .315 (8.00) typ. .395 (10.03) .375 (9.52) .031 (.79) typ. .268 (6.81) .255 (6.48) radius .010 (2.54) typ. 10? 3 to 7? smd iso method a .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 83835 rev. 1.3, 26-oct-04 lh1544aac/ aactr/ ab 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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