cl220 features ? 5.0 to 220v operating range (v a-b ) ? 20ma 10% at 5.0 - 160v ? 0.01% / c typical temperature coeffcient ? available in to-252 (d-pak) and to-220 packages ? can be paralleled for higher current applications ? industrial lamp indicators ? signage ? accent lighting ? constant current source ? constant current sink general description the supertex cl220 is a high voltage, temperature- compensated, 20ma constant current regulator. the device operates at up to 220v, and is accurate to 10% over a 5.0 - 160v range. the device can be used as a two terminal constant current source or constant current sink. a typical application for the cl220 is to drive leds with a constant current of 20ma. multiple cl220s can also be used in parallel to provide higher currents such as 40ma, 60ma, 80ma, and so on. the device is available in the to- 252 (d-pak) and to-220 packages. typical application circuit simple, 220v, 20ma, temperature-compensated, constant current, led driver ic va vb up to 220v + v led(to ta l) va vb functiona l circuit diagram cl220 i led 20ma control circuit and t emperatur e compensation 10nf + v led(t ot al) ? supertex inc. supertex inc. 1235 bordeaux drive, sunnyvale, ca 94089 t el: 408-222-8888 www .supertex.com
2 cl220 ordering information device package options to-252 (d-pak) to-220 cl220 CL220K4-G cl220n5-g -g indicates package is rohs compliant (green) absolute maximum ratings parameter value operating voltage, v a-b 240v operating junction temperature, t j -40c to +125c storage temperature, t s -55c to +150c absolute maximum ratings are those values beyond which damage to the device may occur. functional operation under these conditions is not implied. continuous operation of the device at the absolute rating level may affect device reliability. all voltages are referenced to device ground. pin confgurations sym parameter min typ max units conditions thermal characteristics guaranteed by design C not production tested jc thermal resistance, junction to case to-252 (d-pak) - 6.3 - o c/w --- to-220 - 8.3 - ja thermal resistance, junction to ambient to-252 (d-pak) - 78 - o c/w soldered to 2.0cm 2 exposed copper free air area to-220 - 70 - to-252 (d-pak) (front view) pin description va xwrvlwrwklvsl vb xwrvrxwriwklvsl pin designation product marking va nc vb to-252 (d-pak) packages may or may not include the following marks: si or yy = year sealed ww = week sealed l = lot number = ?green? packaging si yyw w cl220k 4 llllll l to-220 (front view) va nc vb vb l = lot number yy = year sealed ww = week sealed = ?green? packaging top marking cl220n5 lllllllll yyww to-220 packages may or may not include the following marks: si or supertex inc. 1235 bordeaux drive, sunnyvale, ca 94089 t el: 408-222-8888 www .supertex.com
3 cl220 fig. 3 temperature characteristics fig. 1 functional circuit diagram fig. 2 equivalent block diagram va vb control circuit and te mperature compensation 20ma va vb sym parameter min typ max units conditions v a-b operating voltage 5.0 - 220 v --- i a-b /t i a-b temperature coeffcient - 0.01 - %/ o c v a-b = 45v, t j = -40 o c to +100 o c r a-b dynamic resistance - 300 - k --- i ab output current 18 20 22 ma v ab = 4.0 - 160v 18 - 25 v ab = 160 - 220v (fig. 4) - - 22 v ab = 0 - 4.0v i os turn-on overshoot current - 25 - ma v t = 45v (fig. 5) t os overshoot duration - 1 - s v t = 45v (fig. 5) t dly turn-on delay - 10 - s v t = 45v (fig. 5) t rise turn-on rise time - 200 - ns v t = 45v (fig. 5) electrical characteristics (t j = 25c unless otherwise specifed) 1.02 1.01 1.00 0.99 0.98 -5 5 -35 -15 5 25 45 65 85 105 125 145 junction t emperature (c) current, normalized to 25c 5v 45v 90v supertex inc. 1235 bordeaux drive, sunnyvale, ca 94089 t el: 408-222-8888 www .supertex.com
4 cl220 fig. 4 output characteristics fig. 5 timing diagram t dl y t rise 10% 90% i a-b 0ma i os 100% inrush spike due to charging of parasitic capacitances and dv/dt cdg feed-thru tu rn-on overshoot due to start-up characteristics of internal circuitry v t v a-b 0v t os 0 5 10 15 20 60 100 140 180 220 i a-b (ma) v a-b (v) 30 25 20 15 10 5 0 scale change supertex inc. 1235 bordeaux drive, sunnyvale, ca 94089 t el: 408-222-8888 www .supertex.com
5 cl220 fig. 8 cl220 for higher current fig. 7 cl220 for multiple led strings i led 20ma vb va up to 220v +v led(total) vb va vb va vb va 10nf i led 20ma i led 20ma i led 20ma + v led(t ot al) ? cl220 cl220 cl220 cl220 vb va up to 220v +v led(total) vb va i led 60ma vb va 10nf + v led(t ot al) ? cl220 cl220 cl220 fig. 6 timing test circuit cl220 v t 1.0f film i a-b supertex inc. 1235 bordeaux drive, sunnyvale, ca 94089 t el: 408-222-8888 www .supertex.com
6 cl220 3-lead to-252 (d-pak) package outline (k4) note: 1. although 4 terminal locations are shown, only 3 are functional. lead number 2 was removed. 12 3 4 l4 l5 b b2 e d1 e1 l1 l seating plane a1 gauge plane d e vi ew b front v iew side v iew rear v iew vi ew b 1 h c2 a l3 l2 b3 note 1 symbol a a1 b b2 b3 c2 d d1 e e1 e h l l1 l2 l3 l4 l5 1 dimen- sion (inches) min .086 .000* .025 .030 .195 .018 .235 .205 .250 .170 .090 bsc .370 .055 .108 ref .020 bsc .035 .025* .035 ? 0 o 0 o nom - - - - - - .240 - - - - .060 - - - - - max .094 .005 .035 .045 .215 .035 .245 .217* .265 .200* .410 .070 .050 .040 .060 10 o 15 o jedec registration to-252, variation aa, issue e, june 2004. * this dimension is not specifed in the jedec drawing. ? this dimension differs from the jedec drawing. drawings not to scale. supertex doc. #: dspd-3to252k4, version f040910. supertex inc. 1235 bordeaux drive, sunnyvale, ca 94089 t el: 408-222-8888 www .supertex.com
7 (the package drawings in this data sheet may not refect the most current specifcations. for the latest package outline information go to http://www.supertex.com/packaging.html .) cl220 3-lead to-220 package outline (n5) symbol a a1 a2 b b2 c d d1 d2 e e1 e2 e h1 l l1 q p dimen- sion (inches) min .140 .020 .080 .015 .045 .012 ? .560 .326 ? .474 ? .380 .270 0.20* .100 bsc .230 .500 .200* .100 .139 nom - - - .027 .057 - - - - - - - - - - - - max .190 .055 .120 ? .040 .070 .024 .650 .361 ? .507 .420 .350 .030 .270 .580 .250 .135 .161 jedec registration to-220, variation ab, issue k, april 2002. * this dimension is not specifed in the jedec drawing. ? this dimension differs from the jedec drawing. drawings not to scale. supertex doc. #: dspd-3to220n5, version c041009. l a2 a e view b 12 3 d d1 q 4 e2 e p seating plane a1 a a chamfer optional h1 e d2 thermal pad front v iew side v iew vi ew a - a l1 b b2 1 2 3 e1 view b c doc.# dsfp-cl220 a021312 supertex inc. does not recommend the use of its products in life support applications, and will not knowingly sell them for use in such appl ications unless it receives an adequate ?product liability indemnification insurance agreement.? supertex inc. does not assume responsibility for use of devices described, and limits its liability to the replacement of the devices determined defective due to workmanship. no responsibility is assumed for possible omissions and inaccuracies. circuitry and specifications are subject to change without notice. for the latest product specifications refer to the supertex inc. (website: http//www .supertex.com) ?2012 supertex inc. all rights reserved. unauthorized use or reproduction is prohibited. supertex inc. 1235 bordeaux drive, sunnyvale, ca 94089 t el: 408-222-8888 www .supertex.com
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