LH1550AAB1, LH1550AAB1tr, lh1550at1 www.vishay.com vishay semiconductors rev. 1.9, 25-jul-11 1 document number: 83841 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 high-voltage solid-state relay description the lh1550 is robust, ideal for telecom and ground fault applications. it is an spst normally open switch (1 form a) that replaces electromechanical relays in many applications. it is similar to the lh1540, but has a characteristically higher on resistance. 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 tech nology, 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 voltag e surge requirements when overvoltage protection is provided. features ? current limit protection ? isolation test voltage 5300 v rms ? typical r on 28 ? ? 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 6 s ' s nc 1 5 2 4 3 ss ' i179041-2 dip s md agency approvals ul1577: file no. e52744 system code h, double protection bsi: 7979/7980 din en: 60747-5-2 (vde 0884)/60747-5-5 (pending), available with option 1 fimko: 25419 ordering information lh1550###1tr part number electr. variation package config. no dc contact at pin 5 tape and reel package ul, bsi, fimko smd-6 LH1550AAB1 smd-6, tape and reel LH1550AAB1tr dip-6, thru hole lh1550at1 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 100 ma peak load current (single shot) t = 100 ms i p (1) > 0.1 mm 7.62 mm dip s md
LH1550AAB1, LH1550AAB1tr, lh1550at1 www.vishay.com vishay semiconductors rev. 1.9, 25-jul-11 2 document number: 83841 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 perfor mance application note 58 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. 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 rms t = 1 s, i iso = 10 a 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 1.1 2 ma led forward current, switch turn-off v l = 350 v i foff 0.001 1 ma led forward voltage i f = 10 ma v f 1.15 1.25 1.45 v output on-resistance, ac: pin 4 () to 6 () i f = 5 ma, i l = 50 ma r on 28 50 ? off-resistance i f = 0 ma, v l = 100 v r off 0.5 300 g ? current limit ac (1) : pin 4 () to 6 () i f = 5 ma, t = 5 ms, v l = 6 v i lmt 170 210 250 ma off-state leakage current i f = 0 ma, v l = 100 v i o 0.35 200 na i f = 0 ma, v l = 350 v i o 0.09 1 a output capacitance pin 4 to 6 i f = 0 ma, v l = 1 v c o 18 pf i f = 0 ma, v l = 50 v c o 7pf switch offset i f = 5 ma v os 0.3 v transfer capacitance (input to output) v iso = 1 v c io 0.7 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 1.1 3 ms turn-off time i f = 5 ma, i l = 50 ma t off 0.7 3 ms absolute maximum ratings (t amb = 25 c, unless otherwise specified) parameter test condition symbol value unit
LH1550AAB1, LH1550AAB1tr, lh1550at1 www.vishay.com vishay semiconductors rev. 1.9, 25-jul-11 3 document number: 83841 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 - current limit vs. temperature fig. 4 - turn-on time 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 i1550at_00 80 60 40 20 - 40 - 20 0 20 40 60 80 ambient temperature (c) 0 100 load current (ma) i fon = 2.0 ma i fon = 3.0 ma i fon = 4.5 to 20 ma i1550_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 i1550at_02 - 40 40 10 30 20 0 - 20 - 10 - 40 - 30 - 20 0 20 40 60 t a - ambient temperature (c) 80 i f = 5 ma t = 5 ms change in current limit (%) normalized to 25 c i1550at_03 t a - ambient temperature (c) 70 60 50 40 30 20 10 0 - 10 - 20 - 30 - 40 - 40 - 20 0 20 40 60 80 change in turn-on time (%) normalized to 25 c i f = 5 ma i l = 50 ma
LH1550AAB1, LH1550AAB1tr, lh1550at1 www.vishay.com vishay semiconductors rev. 1.9, 25-jul-11 4 document number: 83841 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 - led current for sw itch turn-on vs. temperature fig. 6 - on-resistance vs. temperature fig. 7 - turn-off time vs. temperature package dimensions in millimeters i1550at_04 300 200 100 0 - 100 - 40 - 20 0 20 40 60 80 i f = 50 ma t a - ambient temperature (c) led forward current for switch turn-on/off (%) normalized to 25 c i1550at_05 change in on-resistance (%) normalized to 25 c 60 50 40 30 20 10 0 - 10 - 20 - 30 - 40 - 40 - 20 0 20 40 60 80 t a - ambient temperature (c) i l = 5 ma i1550at_06 80 75 50 25 0 - 25 - 50 - 40 - 20 0 20 40 60 80 t a - ambient temperature (c) change in turn-off time (%) normalized to 25 c i f = 5 ma i l = 50 ma 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
LH1550AAB1, LH1550AAB1tr, lh1550at1 www.vishay.com vishay semiconductors rev. 1.9, 25-jul-11 5 document number: 83841 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 lh1550 v yww h 68
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