'j.s.iis.u <^>.tni-c,onaactoi l/^toaucti, una. c^ <_/ 20 stern ave. springfield, new jersey 07081 u.s.a. j500 series current regulator diodes telephone: (973) 376-2922 (212)227-6005 fax: (973) 376-8960 j500 j501 j502 j503 j504 J505 j506 j507 j508 j509 j510 j511 product summary part number j500 j501 j502 j503 j504 J505 typlf (ma) 0.24 0.33 0.43 0.56 0.75 1.00 pov(v) 50 50 50 50 50 50 part number j506 j507 j508 j509 j510 j511 typip (ma) 1.40 1.80 2.40 3.00 3.60 4.70 pov(v) 50 50 50 50 50 50 (to-92) modified top view features ? two-lead plasticpackage ? guaranteed 20% tolerance ? operation from 1 v (j500-j503) to 50v ? excellent temperature stability benefits ? simple series circuitry, no separate voltage source ? tight guaranteed circuit performance ? excellent performance in low-voltage/battery circuits and high-voltage spike protection ? high circuit stability vs. temperature applications ? constant-current supply ? current-limiting ? timing circuits description the j500 series is a family of 20% range current regulators designed for demanding applications in test equipment and instrumentation. these devices utilize the jfet techniques to produce a single two-leaded device which is extremely simple to operate. with nominal current ranges from 0.24 ma to 4.7 ma, the j500 series will meet a wide array of design requirements. the low-cost to-226a package ensures a cost-effective design solution. schematic diagram applications a rl? o?'t linear ramp generator nj semi-conductors reserves the right to change test conditions, parameter limits and package dimensions without notice. information furnished by n.i semi-conductors is believed to be both accurate and reliable at the time of going to press. however, nj semi-conductors assumes no responsibility for any errors or omissions discovered in its use. n.i semi-conductors encourages customers to verify that datasheets are current before placing orders. quality semi-conductors
j500 series absolute maximum ratings peak operating voltage 50 v reverse current 50 ma storage temperature -55 to 150c power dissipation3 350 mw notes: a. derate 2.8 mw/c above 25"c specifications (ta = 25c unless otherwise noted) parameter symbol test conditions limits min typa max unit peak operating voltageb reverse voltage capacitance pov vr cf if- 1.1 ip(max) ir = 1 ma vf = 25v, f=1 mhz 50 95 0.8 2.2 v pf part number j500 j501 j502 j503 j504 J505 j506 j507 j508 j509 j510 j511 regulator current0 dp) vf = 25 v ma min 0.192 0.264 0.344 0.448 0.600 0.800 1.120 1.440 1.900 2.400 2.900 3.800 nom 0.24 0.33 0.43 0.56 0.75 1.00 1.40 1.80 2.40 3.00 3.60 4.70 max 0.288 0.396 0.516 0.672 0.900 1.200 1.680 2.160 2.900 3.600 4.300 5.600 dynamic impedance*1 (zd) vf = 25 v mq min 4.00 2.20 1.50 1.20 0.80 0.50 0.33 0.20 0.20 0.15 0.15 0.12 typa 15 10 7 5 3.5 2 1.5 1 0.7 0.5 0.4 0.3 knee impedance (zk) vf = 6 v mq typa 2.50 1.60 1.10 0.80 0.55 0.40 0.25 0.19 0.13 0.09 0.07 0.05 limiting voltage e(vl) if = 0.8 if(min) v max 1.2 1.3 1.5 1.7 1.9 2.1 2.5 2.8 3.1 3.5 3.9 4.2 typa 0.4 0.5 0.6 0.7 0.8 0.9 1.1 1.3 1.5 1.7 1.9 2.1 temperature coefficient (61) vf = 25 v 0c < ta < 100c %/c typa 0.95 0.81 0.70 0.58 0.46 0.33 0.19 0.08 -0.05 -0.14 -0.22 -0.34 notes: a. typical values are for design aid only, not guaranteed nor subject to production testing. b. max vf where if = 1.1 ipfmax) is guaranteed. c. pulse test?steady state currents may vary. d. pulse test?steady state impedances may vary. e. min vf required to insure ip = 0.8 if(min)-
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