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ct micro rev 1 proprietary & confidential page 1 may, 2016 CTW138, ctw139 low input current photodarlington coupler package outline schematic CTW138 / ctw139 note: different lead forming options available. see package dimension. features ? ?? ? low current ? 0.5ma ? ?? ? superior ctr-2000% ? ?? ? ctr guaranteed 0?70c ? ?? ? regulatory approvals ul - ul1577 (e364000) vde - en60747-5-5(vde0884-5) cqc ? gb4943.1, gb8898 iec60065, iec60950 applications ? ?? ? digital logic ground isolation ? ?? ? telephone ring detector ? ?? ? eia-rs-232c line receiver ? ?? ? high common mode noise line receiver ? ?? ? current loop receiver description the CTW138 & ctw139 optocouplers consist of an algaas led optically coupled to a high gain split darlington photodetector. the combination of a very low input current of 0.5ma and a high current transfer ratio of 2000% makes this family particularly useful for input interface to mos, cmos, lsttl and eia rs232c, while output compatibility is ensured to cmos as well as high fan-out ttl requirements. the devices are packaged in an 8-pin widebody package and also available in surface mount lead forming option.
ct micro rev 1 proprietary & confidential page 2 may, 2016 CTW138, ctw139 low input current photodarlington coupler absolute maximum rating at 25 o c symbol parameters ratings units notes v iso isolation voltage 5000 v rms t opr operating temperature -55 ~ +100 o c t stg storage temperature -55 ~ +125 o c t sol soldering temperature 260 o c emitter i f forward current 25 ma i fp peak forward current (50% duty, 1ms p.w) 50 ma i f(trans) peak transient current ( 1 s p.w,300pps) 1 a v r reverse voltage 5 v p c power dissipation 40 mw detector p d power dissipation 100 mw v ebr emitter-base reverse voltage 0.5 v i o output current 60 ma v o output voltage CTW138 -0.5 to 7 v ctw139 -0.5 to 18 v v cc supply voltage CTW138 -0.5 to 7 v ctw139 -0.5 to 18 v
ct micro rev 1 proprietary & confidential page 3 may, 2016 CTW138, ctw139 low input current photodarlington coupler electrical characteristics t a = 0 - 70c, v cc =4.5v (unless otherwise specified). emitter characteristics symbol parameters test conditions min typ max units notes v f forward voltage i f = 16ma - 1.45 1.6 v i r reverse current v r = 5v - - 5 a v f / t a temperature coefficient of forward voltage i f =16ma - -1.8 - mv/c detector characteristics symbol parameters test conditions min typ max units notes i oh logic high output current ctw139 i f =0ma, v o =v cc =18v, - 0.008 80 a CTW138 - - 200 i ccl logic low supply current i f =1.6ma, v o =open, v cc =18v - 0.5 1.4 ma i cch logic high supply current i f =0ma, v o =open, v cc =18v - 0.04 8 a transfer characteristics symbol parameters test conditions min typ max units notes ctr current transfer ratio ctw139 i f =0.5ma, v o =0.4v, 400 2500 - % CTW138 i f =1.6ma, v o =0.5v, 300 2000 - ctw139 500 2000 - v ol logic low output voltage ctw139 i f = 0.5ma, i o = 2ma - 0.04 0.4 v i f = 1.6ma, i o = 8ma - 0.08 0.4 i f = 5ma, i o = 15ma - 0.11 0.4 i f = 12ma, i o = 24ma - 0.16 0.4 CTW138 i f = 1.6ma, i o = 4.8ma - 0.05 0.4
ct micro rev 1 proprietary & confidential page 4 may, 2016 CTW138, ctw139 low input current photodarlington coupler electrical characteristics t a = 0 - 70c, v cc = 5v (unless otherwise specified). switching characteristics symbol parameters test conditions min typ max units notes t phl high to low propagation delay ctw139 i f = 0.5ma, r l = 4.7k - - 30 s t a = 25 0 c - 4.8 25 i f = 12ma, r l = 250 - - 2 t a = 25 0 c - 0.2 1 CTW138 i f = 1.6ma, r l = 2.2k - - 15 t a = 25 0 c - 1.35 10 t plh low to high propagation delay ctw139 i f = 0.5ma, r l = 4.7k - - 90 s t a = 25 0 c - 15 60 i f = 12ma, r l = 250 - - 10 t a = 25 0 c - 1.6 7 CTW138 i f = 1.6ma, r l = 2.2k - - 50 t a = 25 0 c - 7.6 35 cm h common mode transient immunity at logic high i f = 0ma, |vcm| = 10v p-p , t a = 25c,r l = 2.2k 1,000 - - v/ s cm l common mode transient immunity at logic low i f = 1.6ma, |vcm| = 10v p-p , t a = 25c,r l = 2.2k 1,000 - -
ct micro rev 1 proprietary & confidential page 5 may, 2016 CTW138, ctw139 low input current photodarlington coupler typical characteristic curves
ct micro rev 1 proprietary & confidential page 6 may, 2016 CTW138, ctw139 low input current photodarlington coupler
ct micro rev 1 proprietary & confidential page 7 may, 2016 CTW138, ctw139 low input current photodarlington coupler test circuits
ct micro rev 1 proprietary & confidential page 8 may, 2016 CTW138, ctw139 low input current photodarlington coupler test circuits
ct micro rev 1 proprietary & confidential page 9 may, 2016 CTW138, ctw139 low input current photodarlington coupler package dimension dimensions in mm unless otherwise stated standard dip ? through hole surface mount lead forming (sl type)
ct micro rev 1 proprietary & confidential page 10 may, 2016 CTW138, ctw139 low input current photodarlington coupler recommended solder mask dimensions in mm unless otherwise stated device marking ct : denotes ?ct micro? 139 : product number (138, or 139) v : vde option y : fiscal year ww : work week k : production code ct 139 vywwk
ct micro rev 1 proprietary & confidential page 11 may, 2016 CTW138, ctw139 low input current photodarlington coupler ordering information ctw13x(v)(y)(z) x = part no. (8 or 9) v = vde option ( v or none) y = lead form option (sl or none) z = tape and reel option (t1, t2 or none) option description quantity none standard 8 pin widebody dip 40 units/tube sl(t1) surface mount lead forming ? with option 1 taping 75 0 units/reel sl(t2) surface mount lead forming ? with option 2 taping 75 0 units/reel
ct micro rev 1 proprietary & confidential page 12 may, 2016 CTW138, ctw139 low input current photodarlington coupler carrier tape specifications dimensions in mm unless otherwise stated option sl(t1) option sl(t2)
ct micro rev 1 proprietary & confidential page 13 may, 2016 CTW138, ctw139 low input current photodarlington coupler reflow profile profile feature pb-free assembly profile temperature min. (tsmin) 150c temperature max. (tsmax) 200c time (ts) from (tsmin to tsmax) 60-120 seconds ramp-up rate (t l to t p ) 3c/second max. liquidous temperature (t l ) 217c time (t l ) maintained above (t l ) 60 ? 150 seconds peak body package temperature 260c +0c / -5c time (t p ) within 5c of 260c 30 seconds ramp-down rate (t p to t l ) 6c/second max time 25c to peak temperature 8 minutes max.
ct micro rev 1 proprietary & confidential page 14 may, 2016 CTW138, ctw139 low input current photodarlington coupler disclaimer ct micro reserves the right to make changes without further notice to any products herein to improve reliability, function or design. ct micro does not assume any liability arising out of the application or use of any produc t or circuit described herein; neither does it convey any license under its patent rights, nor the rights of others. ___________________________________________________ ___________________________________ ct micro are not authorized for use as critical com ponents in life support devices or systems without express written approval of ct micr o international corporation. 1. life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain li fe, or (c) whose failure to perform when properly used in accordance with instruction for use provided in the labelling, can be reasonably expected to result in significant injury to the user. 2. a critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.

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