document number: 83871 for technical questions, please contact: optocoupl er.answers@vishay.com www.vishay.com rev. 1.4, 07-may-08 245 dual 1 form a solid state relay LH1556FP/LH1556FPtr vishay semiconductors description the LH1556FP is robust, ideal for telecom and ground fault applications. it contains tw o spst normally open switches (1 form a) that replace electromechanical 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, f abricated in a high-voltage dielectrically isolated bcdmos technology, is comprised of a photodiode array, switch control circuitry and mosfet switches. in addition, it employs current-limiting circuitry which meets fcc 68.302 and other regulatory voltage surge requirements when overvoltage protection is provided. 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 detetor ? two independent relays in a single package ? package - flat pak ? isolation test voltage, 3000 v rms ? lead (pb)-free component ? component in accordance to rohs 2002/95/ec and weee 2002/96/ec 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 note see "solid state relays" (application note 56) i17904 8 a 1 8 s 1 7 s? 1 6 s 2 5 k 2 a 3 k 4 s? 2 agency approvals ul1577: file no. e52744 system code o bsi/babt: certifi cation no. 7980 order information part remarks package LH1556FP tubes smd-8 LH1556FPtr tape and reel smd-8
www.vishay.com for technical questions, pleas e contact: optocoupler.answers@vishay.com document number: 83871 246 rev. 1.4, 07-may-08 LH1556FP/LH1556FPtr vishay semiconductors dual 1 form a solid state relay notes (1) t amb = 25 c, unless otherwise specified. stresses in excess of the absolute maximum ratings can cause per manent damage to the device. functional operation of the device is not implied at these or any other c onditions in excess of t hose given in the operational sections of this document. exposure to abs olute maximum ratings for extended periods of the time can adversely affect reliability. (2) refer to reflow profile for solderi ng conditions for surface mounted devices. note t amb = 25 c, unless otherwise specified. minimum and maximum values are testing requi rements. typical values ar e characteristics 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. absolute maximum ratings (1) parameter test condition symbol value unit ssr led continuous forward current i f 50 ma led reverse voltage i r 10 a v r 6.0 v dc or peak ac load voltage i l 50 a v 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 (2) 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 electrical characteristics 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 2.0 ma led forward current, 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 output 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 transfer 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 to output) v iso = 1.0 v c io 0.6 pf
document number: 83871 for technical questions, please contact: optocoupl er.answers@vishay.com www.vishay.com rev. 1.4, 07-may-08 247 LH1556FP/LH1556FPtr dual 1 form a solid state relay vishay semiconductors typical characteristics t amb = 25 c, unless otherwise specified fig. 1 - led voltage vs. temperature fig. 2 - led current for swit ch turn-on vs. temperature fig. 3 - on-resistance vs. temperature fig. 4 - current limit vs. temperature fig. 5 - switch breakdown voltage vs. temperature fig. 6 - switch capacitance vs. applied voltage ilh1529fp_01 am b ient temperat u re (c) led for w ard v oltage ( v ) - 40 - 20 0 20 40 60 8 0 1.6 1.5 1.4 1.3 1.2 1.1 1.0 i f = 50 ma i f = 20 ma i f = 10 ma i f = 5.0 ma i f = 1.0 ma i f = 2.0 ma iLH1556FP_02 am b ient temperat u re (c) 100 - 60 8 0 60 40 - 40 - 40 20 - 20 0 - 20 0 20 40 60 8 0 i l = 100 ma led for w ard c u rrent for s w itch t u rn-on (%), n ormalized to 25 c iLH1556FP_03 - 40 0 10 20 30 40 - 10 - 40 - 20 - 30 - 20 0 20 40 60 am b ient temperat u re (c) 8 0 i f = 5.0 ma i l = 50 ma change in r on (%) iLH1556FP_04 - 40 40 10 30 20 0 - 20 - 10 - 40 - 30 - 20 0 20 40 60 am b ient temperat u re (c) 8 0 i f = 5.0 ma t = 5.0 ms v l = see elec. char. change in c u rrent limit (%) n ormalized to 25 c iLH1556FP_05 - 40 - 20 0 20 40 60 8 0 am b ient temperat u re (c) 8 0 4 2 6 - 2 - 6 - 8 - 4 change in breakdo w n v oltage (%) n ormalized to 25 c iLH1556FP_06 02040 applied v oltage ( v ) 8 0 50 70 60 40 20 0 10 60 30 100 8 0 capacitance (pf)
www.vishay.com for technical questions, pleas e contact: optocoupler.answers@vishay.com document number: 83871 248 rev. 1.4, 07-may-08 LH1556FP/LH1556FPtr vishay semiconductors dual 1 form a solid state relay fig. 7 - leakage current vs. applied voltage fig. 8 - leakage current vs. applied voltage fig. 9 - turn-off time vs. temperature fig. 10 - turn-on time vs. led current package dimensions in inches (millimeters) iLH1556FP_07 0 50 100 load v oltage ( v ) 150 200 250 300 350 400 0.1 1 10 100 leakage (pa) t = 25 c t = 50 c t = 70 c t = 8 5 c iLH1556FP_0 8 050100 load v oltage ( v ) 150 200 250 300 350 400 1 10 100 1000 10 000 leakage (pa) iLH1556FP_09 - 8 0 - 60 - 40 - 20 0 20 40 60 8 0 change in t off (%) n ormalized to 25 c - 40 - 20 0 20 40 60 am b ient temperat u re (c) 8 0 i f = 10 ma i f = 5.0 ma i f = 4.0 ma i f = 3.0 ma i f = 2.0 ma i f = 6.0 ma i f = 8 .0 ma iLH1556FP_10 0 1 2 3 4 5 6 7 t on (ms) 0 5 10 15 20 25 30 35 40 45 led for w ard c u rrent (ma) 50 t = 8 5 c t = 25 c t = - 40 c i17 8 024 0.1 8 0 (4.57) 0.0 8 0 (2.03) 0.016 (0.41) 0.100 (2.54) 0.020 (0.50) 40 see detail a lead coplarity 0.004 (0.10) max. 3 to 7 0.015 (0.39) 0.010 (0.25) detail a (not to scale) 0.016 (0.41) 0.0 8 4 (2.13) 0.020 (0.51) pin one id 0.010 typ. (0.25) 0.000 to 0.004 (0.000 to 0.102) 0.374 typ. (9.50) 0.029 (0.74) 0.274 (6.96) 0.216 (5.4 8 ) iso method a
document number: 83871 for technical questions, please contact: optocoupl er.answers@vishay.com www.vishay.com rev. 1.4, 07-may-08 249 LH1556FP/LH1556FPtr dual 1 form a solid state relay vishay semiconductors ozone depleting substa nces 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 t he performance of our products, processes, distribution and o perating systems 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 releases of those substances in to the atmosphere whic h are known as ozone depleting substances (odss). the montreal protocol (1987) a nd its london amendments (1990) intend to severely restrict the use of odss and forbid their use within the next ten years. vari ous national and international initiatives are pressing for an earlier ban on these substances. vishay semiconductor gmbh has been able to use its policy of co ntinuous improvements to elim inate 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 ac t 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 t hat our semiconductors are not manufactured with ozone dep leting substances and do not contain 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 para meters must be validated for each customer application by the customer. should the buyer use vishay semiconductors products for any unintended or unauthorized application, the buyer shall indemnify vishay semiconductors against all claims, costs, dam ages, and expenses, arising out of, directly or indirectly, any claim of personal damage, injury or death as sociated with such unint ended or unauthorized use. vishay semiconductor gmbh, p.o.b. 3535, d-74025 heilbronn, germany
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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