document number: 83832 for technical questions, contact: optocoupleranswe rs@vishay.com www.vishay.com rev. 1.4, 11-mar-11 1 this datasheet is subject to change without notice. the product described here in and this datasheet are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 1 form a photo darlington telecom switch lh1539aac, LH1539AACTR, lh1539ab vishay semiconductors description the lh1539 telecom switch consists of an optically isolated solid state relay (ssr) form a and a bidirectional input optocoupler in a single 8-pin package. the ssr is ideal for switch hook and dial-pulse switching while the optocoupler performs ring detect and l oop current sensing functions. both the ssr and optocoupler provide 5300 v rms of input-to-output isolation voltage. the ssr is integrated on a monolithic receptor die using smart power technology. the ssr features low on resistance, high breakdown voltage, and current-limit circuitry that protects the rela y from telephone line induced lightning surges. the optocoupler provides bidire ctional current sensing via two anti parallel gaas infrared emitting diodes. very high current transfer ratio (ctr) is achieved by coupling to a photodarlington transistor. this high ctr allows the user to minimize the size of the ring detector capacitor. features ? solid state relay and autopolarity optocoupler in one 8-pin package ? isolation test voltage 5300 v rms ? surface mountable ? optocoupler - bidirectional current detection - high ctr: ? 300 % ? solid state relay - form a lh1525 type - low operating current - typical r on 25 ? - load voltage 400 v - load current 120 ma - current limit protection - linear, ac/dc operation - clean bounce free switching - low power consumption ? compliant to rohs directive 2002/95/ec and in accordance to weee 2002/96/ec applications ? general telecom switching - on/off hook switching - dial pulse - ring current detection - loop current sensing i179055-1 8 6 1 3 7 5 2 4 i179034_2 dip smd agency approvals ul1577: file no. e52744 system code h, double protection csa: certification no. 093751 bsi/babt: certification no. 7980 ordering information lh1539a##tr part number electr. variation package config. tape and reel package ul, csa, bsi smd-8, gullwing, tubes lh1539aac smd-8, gullwing, tape and reel LH1539AACTR dip-8, tubes lh1539ab > 0.1 mm 7.62 mm dip s md
www.vishay.com for technical questions, contact: optocoupleranswe rs@vishay.com document number: 83832 2 rev. 1.4, 11-mar-11 this datasheet is subject to change without notice. the product described here in and this datasheet are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 lh1539aac, LH1539AACTR, lh1539ab vishay semiconductors 1 form a photo darlington telecom switch notes ? stresses in excess of the absolute 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 given in the operational sections of this document. exposure to absolute maximum rating s for extended periods of the time can adversely affect reliability. (1) refer to reflow profile for soldering condit ions for surface mounted devices (smd). re fer to wave profile for soldering conditi ons for through hole devices (dip). note ? minimum and maximum values are testing requirements. typical values 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. absolute maximum ratings (t amb = 25 c, unless otherwise specified) parameter test condition symbol value unit ssr 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 400 v continuous dc load current i l 120 ma ssr ambient operating temperature range t amb - 40 to + 85 c storage temperature range t stg - 40 to + 85 c pin soldering temperature (1) t = 10 s max. t sld 260 c input to output isolatio n voltage t = 60 s min. v iso 5300 v rms package power dissip ation (continuous) p diss 600 mw optocoupler input led continuous forward current i f 50 ma led reverse voltage i r ? 10 a v r 3v output collector emitter breakdown voltage bv ceo 30 v phototransistor power dissipation p diss 150 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 0.5 1 ma led forward current, switch turn-off v l = 300 v i foff 0.1 0.4 ma led forward voltage i f = 3 ma v f 0.8 1.2 1.4 v output on-resistance i f = 3 ma, i l = 50 ma r on 17 25 33 ? off-resistance i f = 0 ma, v l = 100 v r off 5000 g ? current limit i f = 5 ma, t = 5 ms i lmt 170 210 270 ma off-state leakage current i f = 0 ma, v l = 100 v i o 0.04 100 na capacitance pin 4 to pin 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 transfer optocoupler led forward voltage i f = 10 ma v f 0.9 1.2 1.5 v dc current transfer ratio i f = 0.05 ma, v ce = 0.9 v ctr dc 300 % saturation voltage i f = 0.05 ma, i c = 0.15 ma v cesat 1v collector emitter leakage current i f = 0 ma, v ce = 5 v i ceo n/a 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 2ms turn-off time i f = 5 ma, i l = 50 ma t off 0.5 ms recommended operating conditions parameter test condition symbol min. typ. max. unit led forward current, switch turn-on t amb = - 40 c to + 85 c i fon 320ma
document number: 83832 for technical questions, contact: optocoupleranswe rs@vishay.com www.vishay.com rev. 1.4, 11-mar-11 3 this datasheet is subject to change without notice. the product described here in and this datasheet are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 lh1539aac, LH1539AACTR, lh1539ab 1 form a photo darlington telecom switch vishay semiconductors typical characteristics (t amb = 25 c, unless otherwise specified) fig. 1 - led voltage vs. temperature fig. 2 - led current for switch turn-on/off vs. temperature fig. 3 - on-resistance vs. temperature fig. 4 - led dropout voltage vs. temperature fig. 5 - current limit vs. temperature fig. 6 - variation in on -resistance vs . led current ilh1539ab_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 = 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 ilh1539ab_02 300 200 100 0 - 100 ambient temperature, t a (c) led forward current for switch turn-on/off (%) norm. to 25 c - 40 - 20 0 20 40 60 80 i l = 100 ma ilh1539ab_03 50 40 30 20 10 0 - 10 - 20 - 30 - 40 - 40 - 20 0 20 40 60 80 ambient temperature, t a (c) change in on-resistance (%) normalized to 25 c i l = 50 ma ilh1539ab_04 1.20 1.10 1.00 0.90 0.80 0.70 - 40 - 20 0 20 40 60 80 ambient temperature, t a (c) led forward voltage (v) ilh1539ab_05 40 30 20 10 0 - 10 - 20 - 30 - 40 change in current limit (%) normalized to 25 c - 40 - 20 0 20 40 60 80 ambient temperature, t a (c) i f = 5.0 ma, t = 5 ms ilh1539ab_06 9 8 7 6 5 4 3 2 1 0 0.0 1.0 2.0 3.0 4.0 5.0 led forward current (ma) ac/dc on-resistance variation (%) normalized to datasheet r on specification at i f = 5 ma
www.vishay.com for technical questions, contact: optocoupleranswe rs@vishay.com document number: 83832 4 rev. 1.4, 11-mar-11 this datasheet is subject to change without notice. the product described here in and this datasheet are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 lh1539aac, LH1539AACTR, lh1539ab vishay semiconductors 1 form a photo darlington telecom switch fig. 7 - output isolation fig. 8 - output isolation fig. 9 - leakage current vs. applied voltage at elevated temperatures fig. 10 - insertion loss vs. frequency fig. 11 - leakage current vs. applied voltage fig. 12 - switch breakdown voltage vs. temperature ilh1539ab_07 capacitance (pf) 0 20 40 60 80 100 applied voltage (v) 70 60 50 40 30 20 10 0 ilh1539ab_08 frequency (hz) isolation (db) 100 80 60 40 20 0 10 2 10 3 10 4 10 5 10 6 10 7 v p = 10 v r l = 50 ilh1539ab_11 load voltage (v) off-state leakage current (pa) 0 50 100 150 200 250 300 350 400 100 90 80 70 60 50 40 30 20 10 0 i f = 0 ma ilh1539ab_12 ambient temperature, t a (c) change in breakdown voltage (%) normalized to 25 c 8 6 4 2 0 - 2 - 4 - 6 - 8 - 40 - 20 0 20 40 60 80
document number: 83832 for technical questions, contact: optocoupleranswe rs@vishay.com www.vishay.com rev. 1.4, 11-mar-11 5 this datasheet is subject to change without notice. the product described here in and this datasheet are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 lh1539aac, LH1539AACTR, lh1539ab 1 form a photo darlington telecom switch vishay semiconductors package dimensions in millimeters package marking (example) note ? tape and reel suffix (tr) is not part of the package marking. i178008 pin one id 6.81 6.48 9.91 9.63 1.14 0.76 4 typ. 2.54 typ. 10 3 to 9 7.62 typ. 0.56 0.46 0.30 0.20 3.30 2.79 3.81 3.30 0.89 0.51 6.35 5.84 4 3 2 1 0.79 1.27 5 6 78 dip iso method a i178009 pin one id 9.91 9.63 1.14 0.78 1.02 0.51 4 typ. 0.25 0.10 3.81 3.30 2.54 typ. 1.27 typ. 7.80 7.52 8 typ. 10.03 9.52 0.79 typ. 6.81 6.48 radius 0.3 typ. 10 3 to 7 smd iso method a 2.54 r 0.25 1.78 0.76 1.52 8 min. 11.05 lh1539 v yww h 68
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