issue 5 - may 2006 1 www.zetex.com ? zetex semiconductors plc 2006 zrb500 precision 5v micropower voltage reference description typical application circuit the zrb500 uses a bandgap circuit design to achieve a precision micropower voltage reference of 5.0 volts. the device is available in small outline surface mo unt packages, ideal for applications where space saving is important, as well as packages for through hole requirements. the zrb500 design provides a stable voltage without an external capacitor and is stable with capacitive loads. the zrb500 is recommended for operation between 50 a and 15ma and so is ideally suited to low power and battery powered applications. excellent performance is maintained to an absolute maximum of 25ma, however the rugged design and 20 volt processing allows the reference to withstand transient effects and currents up to 200ma. superior switching capability allows the device to reach stable operating conditions in only a few microseconds. features ? 3%, 2% and 1% tolerance operating current 50 a to 15ma typical t c 15ppm/c transient response, stable in less than 10 s industrial temperature range small outline sot23 and to92 style packages applications battery powered and portable equipment metering and measurement systems instrumentation test equipment data acquisition systems precision power supplies v r gnd - +
zrb500 issue 5 - may 2006 2 www.zetex.com ? zetex semiconductors plc 2006 connection diagrams ordering information order reference tol. (%) device mark status (*) reel size (inches) quantity per reel tape width (mm) zrb500a01 1 zrb50001 nrnd loose 4,000 - zrb500a01stoa 1 zrb50001 nrnd 12.5 2,000 - zrb500a01stob 1 zrb50001 nrnd 12.5 2,000 - zrb500a01stz 1 zrb50001 nrnd concertina pack 2,000 - zrb500a02 2 zrb50002 nrnd loose 4,000 - zrb500a02stoa 2 zrb50002 nrnd 12.5 2,000 - zrb500a02stob 2 zrb50002 nrnd 12.5 2,000 - zrb500a02stz 2 zrb50002 nrnd concertina pack 2,000 - zrb500a03 3 zrb50003 nrnd loose 4,000 - zrb500a03stoa 3 zrb50003 nrnd 12.5 2,000 - zrb500a03stob 3 zrb50003 nrnd 12.5 2,000 - zrb500a03stz 3 zrb50003 nrnd concertina pack 2,000 - zrb500f01ta 1 50i rel 7 3,000 8 zrb500f01tc 1 50i rel 13 10,000 8 zrb500f02ta 2 50h rel 7 3,000 8 zrb500f02tc 2 50h rel 13 10,000 8 ZRB500F03TA 3 50g rel 7 3,000 8 zrb500f03tc 3 50g rel 13 10,000 8 zrb500r01 1 zrb500r1 nrnd loose 4,000 - zrb500r01stoa 1 zrb500r1 nrnd 12.5 2,000 - zrb500r01stob 1 zrb500r1 nrnd 12.5 2,000 - zrb500r01stz 1 zrb500r1 nrnd concertina pack 2,000 - zrb500r02 2 zrb500r2 nrnd loose 4,000 - zrb500r02stoa 2 zrb500r2 nrnd 12.5 2,000 - zrb500r02stob 2 zrb500r2 nrnd 12.5 2,000 - zrb500r02stz 2 zrb500r2 nrnd concertina pack 2,000 - zrb500r03 3 zrb500r3 nrnd loose 4,000 - zrb500r03stoa 3 zrb500r3 nrnd 12.5 2,000 - 1 pin 1 floating or connected to pin 2 3 2 v r gnd sot23 package suffix - f gnd rounded face v r e-line, 3 pin, rev package suffix - r gnd rounded face e-line, 2 pin package suffix - y v r last time buy l a s t t i m e b u y not recommended n o t r e c o m m e n d e d for new designs f o r n e w d e s i g n s rounded face v r e-line, 3 pin package suffix - a gnd not recommended n o t r e c o m m e n d e d for new designs f o r n e w d e s i g n s
zrb500 issue 5 - may 2006 3 www.zetex.com ? zetex semiconductors plc 2006 zrb500r03stob 3 zrb500r3 nrnd 12.5 2,000 - zrb500r03stz 3 zrb500r3 nrnd concertina pack 2,000 - zrb500y01 1 zrb50001 ltb loose 4,000 - zrb500y01stoa 1 zrb50001 ltb 12.5 2,000 - zrb500y01stob 1 zrb50001 ltb 12.5 2,000 - zrb500y01stz 1 zrb50001 ltb concertina pack 2,000 - zrb500y02 1 zrb50002 ltb loose 4,000 - zrb500y02stoa 2 zrb50002 ltb 12.5 2,000 - zrb500y02stob 2 zrb50002 ltb 12.5 2,000 - zrb500y02stz 2 zrb50002 ltb concertina pack 2,000 - zrb500y03 3 zrb50003 ltb loose 4,000 - zrb500y03stoa 3 zrb50003 ltb 12.5 2,000 - zrb500y03stob 3 zrc50003 ltb 12.5 2,000 - zrb500y03stz 3 zrc50003 ltb concertina pack 2,000 - notes: (*) nrnd not recommended for new designs rel released ltb last time buy ordering information order reference tol. (%) device mark status (*) reel size (inches) quantity per reel tape width (mm)
zrb500 issue 5 - may 2006 4 www.zetex.com ? zetex semiconductors plc 2006 absolute maximum rating electrical characteristics. test c onditions (unless otherwise stated) t amb = 25c reverse current 25ma power dissipation (t amb = 25c) forward current 25ma sot23 330mw operating temperature -40 to 85c storage temperature -55 to 125c symbol parameter conditions limits tol. (%) units min. typ. max. v r reverse breakdown voltage i r = 150 a 4.95 5.0 5.05 1 v 4.90 5.0 5.10 2 v 4.85 5.0 5.15 3 v i min minimum operating current 30 50 a i r recommended operating current 0.05 15 ma t c (*) notes: (*) note: v r(max) - v r(min ) is the maximum deviation in reference voltage measured over the fu ll operating temperature range. average reverse breakdown voltage temperature coefficient i r(min) to i r(max) 15 50 ppm/c r s (?) (?) slope resistance 0.33 1.5 z r reverse dynamic impedence i r = 1ma f = 100hz i ac = 0.1i r 0.4 1 e n wideband noise voltage i r = 150 a f = 10hz to 10khz 105 v(rms) t c v rmax () v rmin () ? () 1000000 v r t max () t min () ? () ---------------------------------------------------------------------------------- - = r s v r change i rmin () to i r max () () i rmax () i rmin () ? -------------------------------------------------------------------------------- - = reverse characteristics reverse voltage (v) r e v e r s e c u r r e n t ( a ) 0 60 6.0 2.0 4.0 0 10 20 30 40 50 t a =-40c t a =85c
zrb500 issue 5 - may 2006 5 www.zetex.com ? zetex semiconductors plc 2006 typical characteristics f o r w a r d v o l t a g e ( v ) te m p e r a t u r e ( c ) reference current (ma) frequency (khz) temperature drift slope resistance v current r e f e r e n c e v o l t a g e ( v ) s l o p e r e s i s t a n c e ( ? ) time ( s) 0500 -40 100 0.1 slope resistance v frequency -20 0 20 40 60 80 forward characteristics forward current (ma) 0.1 1 10 100 1000 i r =150 ato15ma 1 0.1 10 100 1000 10 100 1 0.1 0.01 01 2 3 4 1000 time ( s) s l o p e r e s i s t a n c e ( ? ) i r =150 a i r =5ma 0.4 0.6 0.8 1.0 1.2 1.4 1.6 t a =25c t a =-40c t a =85c 0 10 0 4.0 6.0 4.96 5.02 5.00 4.98 0 2.0 3.0 1.0 110 2.0 0 10 0 4.0 6.0 2.0 transient response (single pulse) transient response (repetitive pulse) v in v r 33k 150 a 5ma 150 a 1k 5ma 33k 150 a 1k 5ma v i n - ( v ) v r - ( v ) v i n - ( v ) v r - ( v ) v in v r
zrb500 issue 5 - may 2006 6 www.zetex.com ? zetex semiconductors plc 2006 package outline - sot23 note: controlling dimensions are in millimeters. approximate dimensions are provided in inch dim. millimeters inches dim. millimeters inches min. max. min. max. min. max. max. max. a 2.67 3.05 0.105 0.120 h 0.33 0.51 0.013 0.020 b 1.20 1.40 0.047 0.055 k 0.01 0.10 0.0004 0.004 c - 1.10 - 0.043 l 2.10 2.50 0.083 0.0985 d 0.37 0.53 0.015 0.021 m 0.45 0.64 0.018 0.025 f 0.085 0.15 0.0034 0.0059 n 0.95 nom 0.0375 nom g 1.90 nom 0.075 nom - - - - - l n h g a c f b m k d 3 leads
zrb500 issue 5 - may 2006 7 www.zetex.com ? zetex semiconductors plc 2006 package outline - e-line, 2 pin note: controlling dimensions are in millimeters. ap proximate dimensions are provided in inches dim millimeters inches min. max. min. max. a 4.37 4.77 0.17 0.18 b 2.16 2.41 0.085 0.095 c 3.61 4.01 0.14 0.16 d 13.00 13.97 0.51 0.55 e 2.54 nom 0.10 nom f 0.37 0.495 0.015 0.019 b f e a c d
zrb500 issue 5 - may 2006 8 www.zetex.com ? zetex semiconductors plc 2006 package outline - e- line, 3 pin, rev. note: controlling dimensions are in millimeters. ap proximate dimensions are provided in inches dim millimeters inches min. max. min. max. a 2.16 2.41 0.085 0.095 b 0.41 0.495 0.016 0.0195 b1 0.41 0.495 0.016 0.0195 d 4.37 4.77 0.172 0.188 e 3.61 4.01 0.142 0.158 e 1.27 nom 0.050 nom f ? 2.50 ? 0.098 l 13.00 13.97 0.512 0.550 a b b1 e e
zrb500 issue 5 - may 2006 9 www.zetex.com ? zetex semiconductors plc 2006 package outline - e-line, 3 pin note: controlling dimensions are in millimeters. ap proximate dimensions are provided in inches dim millimeters inches min. max. min. max. a 2.16 2.41 0.085 0.095 b 0.41 0.495 0.016 0.0195 b1 0.41 0.495 0.016 0.0195 d 4.37 4.77 0.172 0.188 e 3.61 4.01 0.142 0.158 e 1.27 nom 0.050 nom f ? 2.50 ? 0.098 l 13.00 13.97 0.512 0.550 a b b1 e e
zrb500 issue 5 - may 2006 10 www.zetex.com ? zetex semiconductors plc 2006 for international sales offices visit www.zetex.com/offices zetex products are distributed worldwide. for details, see www.zetex.com/salesnetwork this publication is issued to provide outline information only whic h (unless agreed by the company in writing) may not be used, applied or reproduced for any purpose or form part of any order or contact or be regarded as a representation relating to the products or services concerned. the company reserves the right to alter without notice the specif ication, design, price or conditions of supply of any product or service. europe zetex gmbh streitfeldstra?e 19 d-81673 mnchen germany telefon: (49) 89 45 49 49 0 fax: (49) 89 45 49 49 49 europe.sales@zetex.com americas zetex inc 700 veterans memorial highway hauppauge, ny 11788 usa telephone: (1) 631 360 2222 fax: (1) 631 360 8222 usa.sales@zetex.com asia pacific zetex (asia ltd) 3701-04 metroplaza tower 1 hing fong road, kwai fong hong kong telephone: (852) 26100 611 fax: (852) 24250 494 asia.sales@zetex.com corporate headquarters zetex semiconductors plc zetex technology park, chadderton oldham, ol9 9ll united kingdom telephone: (44) 161 622 4444 fax: (44) 161 622 4446 hq@zetex.com package outline - so8 note: controlling dimensions are in inches. approx imate dimensions are provided in millimeters dim inches millimeters dim inches millimeters min. max. min. max. min. max. min. max. a 0.053 0.069 1.35 1.75 e 0.050 bsc 1.27 bsc a1 0.004 0.010 0.10 0.25 b 0.013 0.020 0.33 0.51 d 0.189 0.197 4.80 5.00 c 0.008 0.010 0.19 0.25 h 0.228 0.244 5.80 6.20 0 8 0 8 e 0.150 0.157 3.80 4.00 h 0.010 0.020 0.25 0.50 l 0.016 0.050 0.40 1.27 - - - - - vr n/c n/c n/c n/c n/c n/c gnd so8 package suffix - n8 obsolete o b s o l e t e
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