LH1556AB/ aac/ aactr document number 83842 rev. 1.3, 26-oct-03 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 features ? dual channel (lh1546) 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 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 din en 60747-5-2 (vde0884) din en 60747-5-5 pending fimko approval applications general telecom switching - on/off hook control - ring relay - dial pulse - ground start - ground fault protection instrumentation industrial controls description the lh1556 dual 1 form a relays are spst normally open switches that can replace electromechanical relays in many applications. they are constructed using a gaaias led for actuation control and an inte- grated 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, the lh1556 ssrs employ current-limiting circuitry, enabling them to pass fcc 68.302 and other regula- tory surge requirements when overvoltage protection is provided. order information part remarks LH1556AB tubes, dip-8 lh1556aac tubes, smd-8 lh1556aactr tape and reel, smd-8
www.vishay.com 2 document number 83842 rev. 1.3, 26-oct-03 LH1556AB/ aac/ aactr 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 - one pole operating i l 120 ma continuous dc load current - two pole operating 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 s 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 1.1 2.0 ma led forward current, switch turn-off v l = 350 v i foff 0.2 1.0 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 28 35 ? on-resistance dc: pin 4, 6 (+) to 5 (-) i f = 5.0 ma, i l = 100 ma r on 7.0 10.0 ? off-resistance i f = 0 ma, v l = 100 v r off 0.5 300 g ? current limit ac/dc i f = 5.0 ma, v l = 6.0 v, t = 5.0 ms 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 0.096 1.0 a output capacitance pin 4 to 6 i f = 0 ma, v l = 1.0 v c o 18 pf i f = 0 ma, v l = 50 v c o 6.7 pf switch offset i f = 5.0 ma v os 0.3 v
LH1556AB/ aac/ aactr document number 83842 rev. 1.3, 26-oct-03 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 0.67 pf turn-on time i f = 5.0 ma, i l = 50 ma t on 1.14 3.0 ms turn-off time i f = 5.0 ma, i l = 50 ma t off 0.71 3.0 ms figure 1. recommended operating conditions figure 2. led voltage vs. temperature iLH1556AB_00 60 80 0 40 120 100 20 -40 -20 0 20 40 60 80 load current (ma) ambient temperature (c) i fon =2.0ma i fon =3.0ma i fon =4.0ma i fon = 5.0 to 20 ma iLH1556AB_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.ledforwardcurrentvs.ledforwardvoltage figure 4.ledreversecurrentvs.ledreversevoltage iLH1556AB_02 0 20 40 60 80 100 120 0 0.5 1 1.5 2 led forward current (ma) led forward voltage (v) t=85c t=25c t = -40 c iLH1556AB_03 0 2 4 6 8 10 0 2040 6080100 led current (ua) reverse led voltage (v) t = -40 c t=25c t=85c
www.vishay.com 4 document number 83842 rev. 1.3, 26-oct-03 LH1556AB/ aac/ aactr vishay semiconductors figure 5. led current for switch turn-on vs. temperature figure 6. led dropout voltage vs. temperature figure 7. load current vs. load voltage iLH1556AB_04 -45 -30 -15 0 15 30 45 60 -40 -20 0 20 40 60 80 temperature (c) led current for switch turn-on (%), norm. to 25 c i l = 100 ma iLH1556AB_05 1.02 1.06 1.1 1.14 1.18 1.22 1.26 -40-020 20 406080 temperature (c) led forward voltage (v) i l = 100 ma iLH1556AB_06 01 2 34 5 load voltage (v) current limit ( a) t = -40 c t=25c t=85c i f =5ma 300 250 200 150 100 50 0 figure 8.currentlimitvs.temperature figure .switchbreakdownvoltagevs.loadcurrent figure 10.switchoffsetvoltagevs.ledcurrent iLH1556AB_07 40 30 20 10 0 -10 -20 -30 change in current limit (%) norm. to 25 c i f =5ma v l =6v -40 -20 0 20 40 60 80 temperature (c) iLH1556AB_08 60 50 40 30 20 10 0 load current ( a) breakdown voltage (v) t=-40c t=25c t=85c i f =0ma i l <50 a 0 100 200 300 400 500 iLH1556AB_09 0.0 0.5 1.0 1.5 2.0 2.5 25 35 45 55 65 75 85 temperature (c) switch offset voltage (mv) i f =5ma
LH1556AB/ aac/ aactr document number 83842 rev. 1.3, 26-oct-03 vishay semiconductors www.vishay.com 5 figure 11. on-resistance vs. temperature figure 12. variation in on-resistance vs. led current figure 13. switch capacitance vs. applied voltage iLH1556AB_10 i f =5ma i f =50ma temperature (c) change in ron (%), norm. to 25 c 40 30 20 10 0 -10 -20 -30 -40 -40 -20 0 20 40 60 80 iLH1556AB_11 -2 0 2 4 6 8 048121620 ac/dc ron variation (%) norm. @ i f = 5ma led forward current (ma) i f =5ma iLH1556AB_12 0 10 20 30 40 50 0 20 40 60 80 100 capacitance (pf) applied voltage (v) i f =0ma figure 14.insertionlossvs.frequency figure 15.outputisolation figure 16.leakagecurrentvs.appliedvoltageatelevated temperatures iLH1556AB_13 frequency (hz) 0.6 0.0 insertion loss (db) 0.5 0.4 0.2 0.1 10 2 10 3 10 4 10 5 0.3 r l = 600 ? i f =5ma iLH1556AB_14 0 20 40 60 80 100 120 isolation (db) frequency (hz) v p =10v r l =50 ? 1000 10000 100000 1000000 iLH1556AB_15 0.1 1.0 10.0 100.0 1000.0 0 50 100 150 200 250 300 350 load voltage (v) leakage current (na) t=85c t=70c t=50c i f =0ma t=25c
www.vishay.com 6 document number 83842 rev. 1.3, 26-oct-03 LH1556AB/ aac/ aactr vishay semiconductors figure 17. switch breakdown voltage vs. temperature figure 18. switch offset voltage vs. temperature figure 19. turn-on time vs. temperature iLH1556AB_16 change in breakdown voltage (%) normalized to 25 c 8 0 4 2 6 -6 -8 -4 -10 -2 ambient temperature (c) -40 -20 0 20 40 60 80 iLH1556AB_17 0.0 0.5 1.0 1.5 2.0 2.5 25 35 45 55 65 75 85 temperature (c) switch offset voltage (microvolt) i f =5ma iLH1556AB_18 change in turn-on time (%) norm. to 25 c temperature (c) 10 6 2 -2 -6 -10 -40 -20 0 20 40 60 80 i f =5ma i l =50ma figure 20.turn-offtimevs.temperature figure 21.turn-ontimevs.ledcurrent figure 22.turn-offtimevs.ledcurrent iLH1556AB_19 8 5 2 -1 -4 -7 -10 change inturn-offtime (%) norm. to 25 c temperature (c) -40 -20 0 20 40 60 80 i f =5ma i l =50ma iLH1556AB_20 01020304050 turn-on time (ms) i l =50ma t = -40 c t=25c t=85c led forward current (ma) 18 15 12 9 6 3 0 iLH1556AB_21 turn-off time (ms) t=85c t=25c t=40c led forward current (ma) 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 01020304050 i l =50ma
LH1556AB/ aac/ aactr document number 83842 rev. 1.3, 26-oct-03 vishay semiconductors www.vishay.com 7 package dimensions in inches (mm) package dimensions in inches (mm) 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 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 83842 rev. 1.3, 26-oct-03 LH1556AB/ aac/ aactr 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
document number: 91000 www.vishay.com revision: 18-jul-08 1 disclaimer legal disclaimer notice vishay all product specifications and data are subject to change without notice. vishay intertechnology, inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, ?vishay?), disclaim any and all liability fo r any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. vishay disclaims any and all li ability arising out of the use or application of any product describ ed herein or of any information provided herein to the maximum extent permit ted by law. the product specifications do not expand or otherwise modify vishay?s terms and conditions of purcha se, including but not limited to the warranty expressed therein, which apply to these products. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of vishay. the products shown herein are not designed for use in medi cal, life-saving, or life-sustaining applications unless otherwise expressly indicated. customers using or selling vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify vishay for any damages arising or resulting from such use or sale. please contact authorized vishay personnel to obtain written terms and conditions regarding products designed for such applications. product names and markings noted herein may be trademarks of their respective owners.
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