??multi-function transistor?? rt8 ?g 012 ?b bipolar voltage detector description ?@RT8H012C is a npn transistor, a pnp transistor, and the compound transistor constituted by resistance. a circuit designed for detecting input voltage and resetting sys tem. feature ???@the miniaturization of a set and high-density mounting are possible. ???@wide supply voltage range. ?i2v?`36v?j ???@a detection voltage setup is possible by external resistance. ???@a delay time setup is possible by external capacity. ???@"l" reset output of open collector. application reset of logic circuit. over voltage protection circuit. block diagram notes?@?f the external resistance fo r an output capability setup n eeds to be connected for rp terminal. 041007 ?i?p?^?s?j 0?`0.1 0.6 1.1 2.8 0.13 1.6 0.95 0.95 2.9 0.4 ?@ ?a ?b ?d ?c ?e out line ?@ vs ?a c ?b rp ?c out ?d gnd ?e vcc 2 0 1 ?p 2 3 6 5 4 pin configuration unit?f???? gnd c delay out vs vcc rp
??multi-function transistor?? rt8 ?g 012 ?b bipolar voltage detector absolute maximum ratings?@(ta=25?? unless otherwise noted) electrical characteristics?@(vcc=5v , ta=25???@unless otherwise not ed) min typ max -0.3 vcc -0.3 7 041007 ?i?q?^?s?j vout=5v 0.4 v 0.2 1ua vs/?t detecting voltage temperature coefficien t icd constant current at cd pin input voltage range 250 ua %/?? -55 -30 ???? ua na 500 iin vs=1.25v 30 45 input current 15 0.02 ?vs vin v detecting voltage hysterisis voltage ??v 1.15 1.2 1.25 v vs vcc symbol test condition rp=47k?? circuit current i cc unit parameter limits t stg storage temperature -40?`?{150 ?? 200 mw t opr operating temperature -20?`+75 ?? p d power dissipation v i out output sink current 20 ma v out output voltage vcc unit v cc supply?@voltage 37 v symbol parameter ratings v 2 supply?@voltage 36 i ol output leakage current vcc???vv vcc???vv tpd delay time?fvout?@l?h cd=0.1uf output saturation voltage rp=47k???ail=3ma vo(sat) -80 2.4 130
??multi-function transistor?? rt8 ?g 012 ?b bipolar voltage detector application circuit example typical characteristics 041007 ?i?r?^?s?j delay vcc out vs rp cd c rp vcc gnd circuit current vs supply voltage 0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 0 5 10 15 20 25 30 35 40 supply voltage ?iv?j circuit current ?ima?j rp=22k rp=47k rp=100k rp=360k detecting voltage vs supply voltage ?iirp?100ua,il?5ma?j 1.16 1.17 1.18 1.19 1.2 1.21 1.22 1.23 1.24 1.25 0 10203040 supply voltage ?iv) detecting voltage?@vs?iv) vsh vsl rp?fresistance which sets up output current capability cd?fdelay capacitor rl r1 r2 the?@detecting supply voltage ?ityp?j??1.2 ?~ r1?{r2 r2 v the delay time ?ityp?j??0.024?~cd?iuf?j?@sec
??multi-function transistor?? rt8 ?g 012 ?b bipolar voltage detector 041007 ?i?s?^?s?j delay time vs delay capacitance 0.1 1 10 100 1000 10000 100000 1000000 1e-10 1e-09 1e-08 1e-07 1e-06 0.00001 delay capacitance (f) delay time (us) vout=l?h vout=h?l vcc=5v?ata=25?? output saturation voltage vs output sink current 0 0.5 1 1.5 2 2.5 3 3.5 0 5 10 15 20 25 30 output sink current (ma) output saturation voltage ?iv) rp=360k rp=100k rp=51k rp=30k rp=10k vcc=5v?ata=25?? low supply voltage vs output voltage (rp=100k ??) 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 supply voltage ?iv?j output voltage ?iv?j rl=2.2k rl=22k vcc=5v?ata=25?? low supply voltage vs output voltage (rp=360k??) 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 supply voltage ?iv?j output voltage ?iv?j rl=5.1k rl=51k vcc=5v?ata=25?? detecting voltage vs ambient temperature 1.15 1.16 1.17 1.18 1.19 1.2 1.21 1.22 1.23 1.24 1.25 -40 -20 0 20 40 60 80 100 ambient temperature ta?i???j detecting voltage?@vsl ?iv?j vcc=5v vcc=10v vcc=3v hysterisis voltage vs ambient temperature 0 0.01 0.02 0.03 0.04 0.05 0.06 -40 -20 0 20 40 60 80 100 ambient temperature ta?i???j hysterisys voltage ?vs ?iv?j vcc=10v vcc=5v vcc=3v
6 - 41 tsukuba, isahaya, nagasaki, 854 - 0065 japan keep safety first in your circuit designs! isahaya electronics corporation puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility th at trouble may occur with them. trouble with semiconductors may lead to personal injury, fire or property damage. remember to give due consideration to safety when making your circuit designs, with appropri ate measures such as ( 1) placement of substitutive, auxiliary, ( 2) use of non - farmable material or ( 3) prevention against any malfunct ion or mishap. notes regarding these materials these materials are intended as a reference to our customers in the selection of the isah aya products best suited to the customer?s application; they don't convey any license under any intellectual prop erty rights, or any other rights, belonging isahaya or third party. isahaya electronics corporation assumes no responsibility for any damage, or infringement of any third party's rights , originating in the use of any product data, diagram s, charts or circuit application examples contained in these materials . all information contained in these materials, including product data, diagrams and charts, represent information on products at the time of publication of these materials, a nd are subject to change by isahaya electronics corporation without notice due to product improvements or other reasons. it is therefore recommended that customers contact isahaya electronics corporation or an authorized isahaya products distr ibutor for the latest product information before purchasing product listed herein. isahaya electronics corporation products are not designed or manufactured for use in a device or system that is used under circumstances in which human lif e is potentially at stake. please contact isahaya electronics corporation or an authorized isahaya products distributor when considering the use of a product contained herein for any specific purposes , such as apparatus or systems for transpor tation, vehicular, medical, aerospace, nuclear, or undersea repeater use. the prior written approval of isahaya electronics corporation is necessary to reprint or reproduce in whole or in part these materials. if these products or technolo gies are subject to the japanese export control restrictions, they must be exported under a license from the japanese government and cannot be imported into a country other than the approved destination. any diversion or re - export contrary to t he export control laws and regulations of japan and/or the country of destination is prohibited. please contact isahaya electronics corporation or authorized isahaya products distributor for further details on these materials or the product s contained therein. jun.2005
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