document number: 83835 for technical questions, contact: optocoupleranswe rs@vishay.com www.vishay.com rev. 1.6, 17-mar-11 1 this datasheet is subject to change without notice. the product described here in and this datasheet are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 dual 1 form a solid state relay (low capacitance) lh1544aac, lh1544aactr, lh1544ab vishay semiconductors description these dual ssrs (lh1544, dual 1 form a) are spst normally open switches which can replace electromechanical relays in many applications. the relays provide 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 signal 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 co mprised of a photodiode array, switch-control circuity, and low-capacitance mosfet switches. features ? dual channel, lh1541 type ? low capacitance switch (5 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 ? compliant to rohs directive 2002/95/ec and in accordance to weee 2002/96/ec applications ? instrumentation - thermocouple switching - analog multiplexing ? reed relay replacement ? programmable logic controllers ? data acquisition ? test equipment i179034_9 13 24 86 75 s 2' s 2 s 1 s 1' s 2' s 2 s 1 s 1' v de i179034_2 dip smd agency approvals ul1577: file no. e52744 system code h, double protection csa: certification no. 093751 bsi/babt: certification no. 7980 din en: 60747-5-2 (vde 0884)/60747-5-5 (pending), available with option 1 fimko: approval ordering information lh1544a##tr part number electr. variation package config. tape and reel package ul, csa, bsi, vde, fimko smd-8, tubes lh1544aac smd-8, tape and reel lh1544aactr dip-8, tubes lh1544ab > 0.1 mm 7.62 mm dip s md
www.vishay.com for technical questions, contact: optocoupleranswe rs@vishay.com document number: 83835 2 rev. 1.6, 17-mar-11 this datasheet is subject to change without notice. the product described here in and this datasheet are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 lh1544aac, lh1544aactr, lh1544ab vishay semiconductors dual 1 form a solid state relay (low capacitance) notes ? stresses in excess of the absolute maximu m ratings can cause permanent damage to the device. functional o peration of the devic e is not implied at these or any other conditions in excess of those given in the operational sections of this document. exposure to absolute maxim um ratings for extended periods of the time can adversely affect reliability. (1) refer to reflow profile fo r soldering condit ions for surface mount ed devices (smd). refer to wave profile for soldering conditi ons for through hole devices (dip). (2) breakdown occurs between the outp ut pins external to the package. note ? minimum and maximum values are testing r equirements. typical values ar e characteristics of the device and are the result of en gineering evaluations. typical values are for information only an d are not part of the testing requirements. footnotes the following information refers to th e ssr recommended operation conditions: - both relays on with equal load currents. for single relay operation, refer to th e lh1541 recommended operating conditions gra ph. absolute maximum ratings (t amb = 25 c, unless otherwise specified) parameter test condition symbol value unit input led continuous forward current i f 50 ma led reverse voltage i r ? 10 a v r 8v output dc or peak ac load voltage i l ? 50 a v l 200 v continuous dc load curre nt, one pole operating i l 55 ma continuous dc load current, two poles operating i l 40 ma ssr 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 (1) t = 10 s max. t sld 260 c input to output isolation voltage v iso 5300 v rms pole-to-pole isolation voltage (s1 to s2) (2) dry air, dust free, at sea level 1600 v output power dissipation (continuous) p diss 600 mw electrical characteristics (t amb = 25 c, unless otherwise specified) parameter test condition symbol min. typ. max. unit input led forward current, switch turn-on i l = 100 ma, t = 10 ms i fon 0.9 2 ma led forward current, switch turn-off v l = 150 v i foff 0.2 0.8 ma led forward voltage i f = 5 ma v f 1.1 1.19 1.45 v output on-resistance i f = 5 ma, i l = 50 ma r on 70 110 160 ? off-resistance i f = 0 ma, v l = 100 v r off 0.5 10 000 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 = 200 v i o 1a output capacitance i f = 0 ma, v l = 1 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 ma 0.5 pf switch offset i f = 5 ma v os 0.1 v transfer capacitance (input to output) v iso = 1 v c io 1.1 pf switching characteristics (t amb = 25 c, unless otherwise specified) parameter test condition symbol min. typ. max. unit turn-on time i f = 5 ma, i l = 50 ma t on 0.24 0.5 ms turn-off time i f = 5 ma, i l = 50 ma t off 0.13 0.5 ms
document number: 83835 for technical questions, contact: optocoupleranswe rs@vishay.com www.vishay.com rev. 1.6, 17-mar-11 3 this datasheet is subject to change without notice. the product described here in and this datasheet are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 lh1544aac, lh1544aactr, lh1544ab dual 1 form a solid state relay (low capacitance) vishay semiconductors typical characteristics (t amb = 25 c, unless otherwise specified) fig. 1 - recommended operating conditions fig. 2 - led voltage vs. temperature fig. 3 - led dropout voltage vs. temperature fig. 4 - led current for switch turn-on vs. temperature fig. 5 - on-resistance vs. temperature fig. 6 - switch capacitance vs. applied voltage ilh1544ab_00 - 40 - 20 0 20 40 60 80 50 20 10 30 0 40 ambient temperature (c) load current (ma) i fon = 2.0 ma i fon = 3.0 ma i fon = 4.0 ma i fon = 5.0 to 20 ma ilh1544ab_01 t a - ambient temperature (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 = 2 ma i f = 5 ma i f = 10 ma i f = 50 ma i f = 20 ma i f = 1 ma 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 = 50 ma ambient temperature (c) led forward current for switch turn-on (%), normalized to 25 c ilh1544ab_04 - 40 50 10 30 20 40 - 20 - 30 - 10 - 40 0 - 20 0 20 40 60 80 ambient temperature (c) i l = 50 ma change in on-resistance (%) normalized to 25 c ilh1544ab_05 01020 applied voltage (v) 6 5 0 30 4 100 40 3 2 1 50 60 70 80 90 capacitance (pf)
www.vishay.com for technical questions, contact: optocoupleranswe rs@vishay.com document number: 83835 4 rev. 1.6, 17-mar-11 this datasheet is subject to change without notice. the product described here in and this datasheet are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 lh1544aac, lh1544aactr, lh1544ab vishay semiconductors dual 1 form a solid state relay (low capacitance) fig. 7 - insertion loss vs. frequency fig. 8 - output isolation fig. 9 - leakage curre nt vs. applied voltage fig. 10 - leakage current vs. applied voltage at elevated temperatures fig. 11 - switch breakdow n voltage vs. temperature fig. 12 - switch offset voltage vs. temperature 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) 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 = 10 v r l = 50 0 40 80 120 160 200 load voltage (v) 17323 t = 25 c 1 10 100 1000 0.1 off-state leakage current (na) 04080120 160 200 load voltage (v) 17324 t = 85 c 1 10 100 1000 0.1 off-state leakage current (na) t = 70 c t = 50 c 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 ma switch offset voltage (v)
document number: 83835 for technical questions, contact: optocoupleranswe rs@vishay.com www.vishay.com rev. 1.6, 17-mar-11 5 this datasheet is subject to change without notice. the product described here in and this datasheet are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 lh1544aac, lh1544aactr, lh1544ab dual 1 form a solid state relay (low capacitance) vishay semiconductors fig. 13 - switch offset voltage vs. led current fig. 14 - turn-on time vs. temperature fig. 15 - turn-off time vs. temperature fig. 16 - turn-on time vs. led current fig. 17 - turn-off time vs. led current 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) 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 ma i l = 50 ma 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) i f = 5 ma i l = 50 ma change in turn-off time (%) normalized to 25 c ilh1544ab_15 0 0.5 1 1.5 2 01020304050 led current (ma) t = 85 c t = 25 c t = - 40 c i l = 50 ma turn-on time (ms) 0.00 0.05 0.10 0.15 0.20 0.25 led forward current (ma) 17325 turn-off time (ms) t = - 40 c t = 25 c t = 85 c i f = 5 ma i l = 50 ma 0 10 20 30 40 50
www.vishay.com for technical questions, contact: optocoupleranswe rs@vishay.com document number: 83835 6 rev. 1.6, 17-mar-11 this datasheet is subject to change without notice. the product described here in and this datasheet are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 lh1544aac, lh1544aactr, lh1544ab vishay semiconductors dual 1 form a solid state relay (low capacitance) package dimensions in millimeters package marking (example) note ? tape and reel suffix (tr) is not part of the package marking. i178008 pin one id 6.81 6.48 9.91 9.63 1.14 0.76 4 typ. 2.54 typ. 10 3 to 9 7.62 typ. 0.56 0.46 0.30 0.20 3.30 2.79 3.81 3.30 0.89 0.51 6.35 5.84 4 3 2 1 0.79 1.27 5 6 78 dip iso method a i178009 pin one id 9.91 9.63 1.14 0.78 1.02 0.51 4 typ. 0.25 0.10 3.81 3.30 2.54 typ. 1.27 typ. 7.80 7.52 8 typ. 10.03 9.52 0.79 typ. 6.81 6.48 radius 0.3 typ. 10 3 to 7 smd iso method a 2.54 r 0.25 1.78 0.76 1.52 8 min. 11.05 lh1544 v yww h 68
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