LH1556FP/ fptr document number 83871 rev. 1.3, 26-oct-04 vishay semiconductors www.vishay.com 1 i179048 a 1 8 s 1 7 s 1 6 s 2 5 k 2 a 3 k 4 s 2 pb p b -free e3 dual 1 form a solid state relay features ? solid-state relay (equivalent to aqw210s) - typical r on 28 ? - load voltage 350 v - load current 120 ma - current limit protection - high surge capability - clean bounce free switching - low power consumption - high reliability monolithic detector two independent relays in a single package package - flat pak isolation test voltage 3000 v rms lead-free component component in accordance to rohs 2002/95/ec and weee 2002/96/ec agency approvals ul1577, file no. e52744 system code s bsi/babt cert. no. 7980 applications general telecom switching - on/off hook control - ring relay - ground start industrial controls - triac predriver - output modules peripherals - transducer driver instrumentation - automatic tuning/balancing - flying capacitor - analog multiplexing see "solid state relays" ( application note 56) description the LH1556FP is robust, ideal for telecom and ground fault applications. it contains two spst nor- mally open switches (1 form a) that replace electro- mechanical relays in many applications. it is constructed using a gaas led for actuation control and an integrated monolithic die for the switch output. the die, fabricated in a high-voltage dielectrically iso- lated bcdmos technology, is comprised of a photo- diode array, switch control circuitry and mosfet switches. in addition, it employs current-limiting cir- cuitry which meets fcc 68.302 and other regulatory voltage surge requirements when overvoltage protec- tion is provided. order information part remarks LH1556FP tubes, smd-8 LH1556FPtr tape and reel, smd-8
www.vishay.com 2 document number 83871 rev. 1.3, 26-oct-04 LH1556FP/ fptr 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 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 6.0 v dc or peak ac load voltage i l 50 av l 350 v continuous dc load current i l 120 ma ambient temperature range t amb - 40 to + 85 c storage temperature range t stg - 40 to + 125 c soldering temperature t = 10 s max. t sld 260 c isolation test voltage t = 1.0 s v iso 3000 v rms isolation resistance v io = 500 v, t amb = 25 c r io 10 12 ? v io = 500 v, t amb = 100 c r io 10 11 ? total power dissipation p diss 550 mw parameter test condition symbol min ty p. max unit led forward current for switch turn-on i l = 100 ma, t = 10 ms i fon 1.1 2.0 ma led forward current for switch turn-off v l = 300 v i foff 0.2 0.6 ma led forward voltage i f = 10 ma v f 1.0 1.18 1.45 v current limit i f = 5.0 ma, t = 5.0 ms, v l = 6.0 v i limit 170 210 250 ma parameter test condition symbol min ty p. max unit on-resistance, ac/dc: pin 3 () to 4 () i f = 5.0 ma, i l = 50 ma r on 28 35 ? off-resistance i f = 0 ma, v l = 100 v r off 0.5 300 g ? 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 1.0 a output capacitance pin 3 to 4 i f = 0 ma, v l = 1.0 v c o 55 pf i f = 0 ma, v l = 50 v c o 10 pf
LH1556FP/ fptr document number 83871 rev. 1.3, 26-oct-04 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 turn-on time i f = 5.0 ma, i l = 50 ma t on 2.0 3.0 ms turn-off time i f = 5.0 ma, i l = 50 ma t off 1.1 3.0 ms capacitance (input-output) v iso = 1.0 v c io 0.6 pf figure 1. led voltage vs. temperature figure 2. led current for switch turn-on vs. temperature ilh1529fp_01 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 = 1.0 ma i f =20ma i f = 2.0 ma i f = 5.0 ma i f =10ma i f =50ma iLH1556FP_02 ambient temperature (c) 100 -60 80 60 40 -40 -40 20 -20 0 -20 0 20 40 60 80 i l = 100 ma led forward current for switch turn-on (%), normalized to 25 c figure 3.on-resistances.temperature figure 4.currentlimits.temperature iLH1556FP_03 -40 0 10 20 30 40 -10 -40 -20 -30 -20 0 20 40 60 ambient temperature (c) 80 i f = 5.0 ma i l =50ma change in r on (%) iLH1556FP_04 -40 40 10 30 20 0 -20 -10 -40 -30 -20 0 20 40 60 ambient temperature (c) 80 i f = 5.0 ma t = 5.0 ms v l = see elec. char. change in current limit (%) normalized to 25 c
www.vishay.com 4 document number 83871 rev. 1.3, 26-oct-04 LH1556FP/ fptr vishay semiconductors figure 5. switch breakdown voltage vs. temperature figure 6. switch capacitance vs. applied voltage figure 7. leakage current vs. applied voltage iLH1556FP_05 -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 iLH1556FP_06 02040 applied voltage (v) 80 50 70 60 40 20 0 10 60 30 100 80 capacitance (pf) iLH1556FP_07 050100 load voltage (v) 150 200 250 300 350 400 0.1 1.0 10 100 leakage (pa) t=25c t=50c t=70c t=85c figure 8.leakagecurrents.appliedvoltage figure 9.turn-offtimes.temperature figure 10.turn-ontimes.ledcurrent iLH1556FP_08 0 50 100 load voltage (v) 150 200 250 300 350 400 1 10 100 1000 10000 leakage (pa) iLH1556FP_09 -80 -60 -40 -20 0 20 40 60 80 change in toff (%) normalized to 25 c -40 -20 0 20 40 60 ambient temperature (c) 80 i f =10ma i f = 8.0 ma i f = 6.0 ma i f = 3.0 ma i f = 2.0 ma i f = 5.0 ma i f = 4.0 ma iLH1556FP_10 0 1 2 3 4 5 6 7 ton (ms) 0 5 10 15 20 25 30 35 40 45 led forward current (ma) 50 t=85c t=25c t = -45 c
LH1556FP/ fptr document number 83871 rev. 1.3, 26-oct-04 vishay semiconductors www.vishay.com 5 package dimensions in inches (mm) i178024 .180 (4.57) .080 (2.03) .016 (.41) .100 (2.54) .020 (.50) 40 see detail a lead coplarity .004 (.10) max. 3C7 .015 (.39) .010 (.25) detail a (not to scale) .016 (.41) .084 (2.13) .020 (.51) pin one id .010 typ. (.25) .000C.004 (.000C.102) .374 typ. (9.50) .029 (.74) .274 (6.96) .216 (5.48) iso method a
www.vishay.com 6 document number 83871 rev. 1.3, 26-oct-04 LH1556FP/ fptr 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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