lh1540aab, LH1540AABTR, lh1540at www.vishay.com vishay semiconductors rev. 1.9, 25-jul-11 1 document number: 83833 for technical questions, contact: optocoupleranswers@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 1 form a solid-state relay description the lh1540 is robust, ideal for telecom and ground fault applications. it is an 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 comprised of a photodiode array, switch control circuitry and mosfet switches. in addition, it employs current-limiting circuitry which meets lightning surge testing as per ansi/tia -968-b and other regulatory voltage surge requirements when overvoltage protection is provided. 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 ? smd lead availabl e on tape and reel ? compliant to rohs directive 2002/95/ec and in accordance to weee 2002/96/ec applications ? general telecom switching ? instrumentation ? industrial controls note ? see solid-state rela ys (application note 56) 6 s ' s dc 1 5 2 4 3 ss ' i179041-2 dip s md agency approvals ul1577: file no. e52744 system code h, double protection csa: certification no. 093751 bsi: certification no. 7979/7980 fimko: 25419 din en: 60747-5-2 (vde 0884)/60747-5-5 (pending), available with option 1 ordering information lh1540###tr part number electr. variation package config. tape and reel package ul, csa, bsi, fimko smd-6 lh1540aab smd-6, tape and reel LH1540AABTR dip-6, thru hole lh1540at > 0.1 mm 7.62 mm dip s md
lh1540aab, LH1540AABTR, lh1540at www.vishay.com vishay semiconductors rev. 1.9, 25-jul-11 2 document number: 83833 for technical questions, contact: optocoupleranswers@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 notes ? stresses in excess of the abso lute maximum ratings can cause permanent damage to the device. functional operation of the devic e is not implied at these or any other conditions in excess of those give n in the operational sections of this document. exposure to abs olute maximum ratings for extended periods of the time can adversely affect reliability. (1) refer to current limit performance application note for a discussion on relay operation during transient currents. (2) refer to reflow profile for soldering conditions for surface mount ed devices (smd). refer to wave profile for soldering conditi ons for through hole devices (dip). notes ? minimum and maximum values are testing requirements. typical valu es are characteristics of the device and are the result of en gineering evaluations. typical values are for information only and are not part of the testing requirements. (1) no dc mode current limit available. 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 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 ssr ambient temperature range t amb - 40 to + 85 c storage temperature range t stg - 40 to + 150 c pin soldering temperature (2) t = 10 s max. t sld 260 c input to output isolation voltage v iso 5300 v rms output power dissipation (continuous) p diss 550 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 12ma 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 output on-resistance ac/dc: pin 4 () to 6 () i f = 5 ma, i l = 50 ma r on 12 20 25 ? on-resistance dc: pin 4, 6 (+) to 5 () i f = 5 ma, i l = 100 ma r on 3 5 6.25 ? off-resistance i f = 0 ma, v l = 100 v r off 0.5 5000 g ? current limit ac (1) : pin 4 () to 6 () i f = 5 ma, v l = 6 v, t = 5 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 1a output capacitance pin 4 to 6 i f = 0 ma, v l = 1 v c o 55 pf i f = 0 ma, v l = 50 v c o 10 pf switch offset i f = 5 ma v os 0.15 v transfer capacitance (input to output) v iso = 1 v c io 0.8 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 1.2 2 ms turn-off time i f = 5 ma, i l = 50 ma t off 0.5 2 ms
lh1540aab, LH1540AABTR, lh1540at www.vishay.com vishay semiconductors rev. 1.9, 25-jul-11 3 document number: 83833 for technical questions, contact: optocoupleranswers@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 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 sw itch turn-on vs. temperature safety and insulation ratings parameter test condition symbol value unit climatic classification iec 68 part 1 40/85/21 pollution degree din vde 0109 2 tracking resistance (comparative tracking index) insulation group llla cti 175 highest allowable overvoltage transient overvoltage v iotm 8000 v peak max. working insulation voltage recurring peak voltage v iorm 890 v peak insulation resistance at 25 c v io = 500 v r is ? 10 12 ? insulation resistance at t s r is ? 10 9 ? insulation resistance at 100 c r is ? 10 11 ? partial discharge test voltage methode a, v pd = v iorm x 1.875 v pd 1669 v peak safety limiting values - maximum values allowed in the event of a failure case temperature t si 175 c input current i si 300 ma output power p so 700 mw minimum external air gap (clearance) measured from input terminals to output terminals, shortest distance through air ? 7mm minimum external tracking (creepage) measured from input terminals to output terminals, shortest distance path along body ? 7mm i1540at_00 80 60 0 40 120 100 20 0 20406080 - 20 - 40 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 ma to 20 ma i1540at_01 t a - ambient temperature (c) led forward voltage (v) 20 0 - 20 - 40 1.6 1.5 1.4 1.3 1.2 1.1 1.0 i f = 50 ma i f = 20 ma i f = 1.0 ma i f = 2.0 ma i f = 5.0 ma i f = 10 ma 40 60 80 i1540at_02 - 40 20 ambient temperature (c) 1.20 1.15 1.10 0.95 1.00 40 1.05 80 60 - 20 0 min. typ. i l = 100 ma led forward voltage (v) i1540at_03 ambient temperature (c) 100 - 60 80 60 40 - 40 - 40 - 20 0 20 40 60 80 20 - 20 0 i l = 100 ma led forward current for switch turn-on (%), normalized to 25 c
lh1540aab, LH1540AABTR, lh1540at www.vishay.com vishay semiconductors rev. 1.9, 25-jul-11 4 document number: 83833 for technical questions, contact: optocoupleranswers@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 fig. 5 - current limit vs. temperature fig. 6 - on-resistance vs. temperature fig. 7 - variation in on -resistance vs . led current fig. 8 - switch capacitance vs. applied voltage fig. 9 - insertion loss vs. frequency fig. 10 - output isolation i1540at_04 - 40 40 10 30 20 0 - 20 - 10 - 40 - 30 - 20 0 20 40 60 80 ambient temperature (c) change in current limit (%) normalized to 25 c i f = 5.0 ma t = 5.0 ms v l = see elec. char. i1540at_05 - 40 - 20 0 20 40 60 80 50 10 30 20 40 - 20 - 30 - 10 - 40 0 ambient temperature (c) i l = 50 ma change in on-resistance (%) normalized to 25 c i1540at_06 0 1.5 0.5 - 0.5 1.0 0 4812 led forward current (ma) 16 20 i l = 50 ma ac/dc on-resistance variation (%) normalized to datasheet r on specification at i f = 5.0 ma i1540at_07 02040 80 60 100 applied voltage (v) 80 50 70 60 40 20 0 10 30 i f = 0 ma f = 1.0 mhz capacitance (pf) i1540at_08 frequency (hz) 0.30 0 0.25 0.20 0.10 0.05 10 2 10 3 10 4 10 5 0.15 r l = 600 insertion loss (db) i1540at_09 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
lh1540aab, LH1540AABTR, lh1540at www.vishay.com vishay semiconductors rev. 1.9, 25-jul-11 5 document number: 83833 for technical questions, contact: optocoupleranswers@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 fig. 11 - leakage current vs. applied voltage fig. 12 - leakage current vs. applied voltage at elevated temperatures fig. 13 - switch breakdown voltage vs. temperature fig. 14 - switch offset voltage vs. temperature fig. 15 - switch offset voltage vs. led current fig. 16 - turn-on time vs. temperature 0 10 20 30 40 50 60 70 80 0 100 200 300 400 load voltage (v) 17321 off-state leakage current (na) t = 25 c 0 20 40 60 80 100 120 140 0 100 200 300 400 load voltage (v) 17322 off-state leakage current (na) t = 85 c t = 75 c t = 50 c i1540at_12 - 40 - 20 0 20 40 60 80 ambient temperature (c) 8 0 4 2 6 - 2 - 6 - 8 - 4 change in breakdown voltage (%) normalized to 25 c i1540at_13 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) i1540at_14 010 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) i1540at_15 - 40 - 20 0 20 40 60 80 ambient temperature (c) 60 50 - 20 - 30 - 10 0 10 20 30 40 - 40 i f = 5.0 ma i l = 50 ma change in turn-on time (%) normalized to 25 c
lh1540aab, LH1540AABTR, lh1540at www.vishay.com vishay semiconductors rev. 1.9, 25-jul-11 6 document number: 83833 for technical questions, contact: optocoupleranswers@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 fig. 17 - turn-off time vs. temperature fig. 18 - turn-on time vs. led current fig. 19 - turn-off time vs. led current package dimensions in millimeters i1540at_16 120 40 - 40 100 80 60 20 - 20 - 60 0 - 40 - 20 - 80 160 140 ambient temperature (c) i f = 5.0 ma i l = 50 ma change in turn-off time (%) normalized to 25 c 0 20 40 60 80 i1540at_17 01020 led forward current (ma) 10 8 6 0 2 30 4 50 40 - 40 c i l = 50 ma turn-on time (ms) 25 c 85 c i1540at_18 1.4 1.2 1.0 0.2 30 50 40 0.8 0.6 0.4 i l = 50 ma led forward current (ma) - 40 c 25 c 85 c turn-off time (ms) 0 10 20 0.35 0.25 3.81 2.79 3.81 3.30 0.051 min. 7.62 typ. 0.9 0.8 2.54 typ. 1 min. 0.55 0.45 6.5 6.3 8.7 8.5 pin one id 6 5 4 1 2 3 18 typ. 8.82 7.62 4 typ. dip iso method a i178001
lh1540aab, LH1540AABTR, lh1540at www.vishay.com vishay semiconductors rev. 1.9, 25-jul-11 7 document number: 83833 for technical questions, contact: optocoupleranswers@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 package marking note ? tape and reel suffix (tr) is not part of the package marking. 8.71 8.51 6.50 6.30 pin one id 0.99 min. 3.81 3.30 2.54 1.33 1.22 4 1.016 0.508 0.25 0.10 0.31 0.20 7.62 typ. 10.03 9.63 3 to 7 18 8 min. 1.27 typ. smd i s o method a i178002 2.54 r 0.25 1.78 0.76 1.52 8 min. 11.05 lh1540 v yww h 68
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