nju7704/05 -1- ver.2004-07-16 pin function 1.cd 2.v ss 3.mr 4.v out 5.v dd nju770*f/f3 1 2 3 4 5 voltage detector general description package outline the nju7704/05 is a low quiescent current voltage detector featuring high precision detection voltage. the detection voltage is internally fixed with an accuracy of 1.0%. a time delayed reset can be accomplished with an external capacitor. nju7704 is nch. open drain and NJU7705 is a c-mos output type. features high precision detection voltage 1.0% low quiescent current 0.9 a typ. detection voltage range 1.5 6.0v(0.1v step) adjustable delay time with external capacitor manual reset active ?l? : nju770***a active "h" : nju770***b output configuration nju7704: nch. open drain type NJU7705: c-mos output type package outline sot-23-5 (mtp5) : nju770*f sc88a : nju770*f3 pin configuration nju7704/05f nju7704/05f3
nju7704/05 - 2 - ver.2004-07-16 detection voltage rank list device name v det mr logic package nju7704/05f15a 1.5v nju7704/05f19a 1.9v nju7704/05f02a 2.0v nju7704/05f21a 2.1v nju7704/05f22a 2.2v nju7704/05f25a 2.5v nju7704/05f27a 2.7v nju7704/05f28a 2.8v nju7704/05f29a 2.9v nju7704/05f03a 3.0v nju7704/05f42a 4.2v nju7704/05f43a 4.3v nju7704/05f45a 4.5v nju7704/05f06a 6.0v active ?l? nju7704/05f19b 1.9v nju7704/05f27b 2.7v nju7704/05f28b 2.8v active ?h? sot-23-5 (mtp5) device name v det mr logic package nju7704/05f3-15a 1.5v nju7704/05f3-19a 1.9v nju7704/05f3-02a 2.0v nju7704/05f3-21a 2.1v nju7704/05f3-22a 2.2v nju7704/05f3-25a 2.5v nju7704/05f3-27a 2.7v nju7704/05f3-28a 2.8v nju7704/05f3-29a 2.9v nju7704/05f3-03a 3.0v nju7704/05f3-42a 4.2v nju7704/05f3-43a 4.3v nju7704/05f3-45a 4.5v nju7704/05f3-06a 6.0v active ?l? nju7704/05f3-19b 1.9v nju7704/05f3-27b 2.7v nju7704/05f3-28b 2.8v active ?h? sc88a
nju7704/05 - 3 - ver.2004-07-16 nju7704 absolute maximum ratings (ta=25 c) parameter symbol ratings unit input voltage v dd +10 v output voltage v out v ss -0.3 +10 v output current i out 50 ma sot-23-5 200 power dissipation p d sc88a 250(*note 1) mw operating temperature topr -40 +85 c storage temperature tstg -40 +125 c (*note 1): on board, 114.3mm 76.2mm 1.6mm 2layers fr-4 electrical characteristics (ta=25 c) parameter symbol test condition min. typ. max. unit detection voltage v det -1.0% - +1.0% v hysteresis voltage v hys 70 90 130 mv v det =1.5v 1.9v version - 0.7 1.5 quiescent current i ss v dd =v det +1v v det =2.0v 6.0v version - 0.9 2.0 a v dd =1.2v 0.75 2.0 - output current i out nch,v ds =0.5v v dd =2.4v ( 2.7v version) 4.5 7.0 - ma output leak current i leak v dd =v out =9v - - 0.1 a detection voltage temperature coefficient ? v det / ? ta ta = 0 +85 c - 100 - ppm/ c delay time t d v dd =v det +1v, cd=4.7nf 8 10 12 ms v mr_h 1.5 - v dd input voltage of mr pin (active "l") v mr_l 0 - 0.3 v v mr_h v dd -0.3 - v dd input voltage of mr pin (active "h") v mr_l 0 - v dd -1.5 v impedance of mr pin r mr 1.0 2.0 3.0 m ? operating voltage (*note 2) v dd r l =100k ? 0.8 - 9 v (*note 2 ): the minimum operating voltage(v opl ) indicates the same value of the output voltage(v out ) on condition that v out becomes 10% or less of the input voltage(v dd ). equivalent circuit v out v ss v dd cd vref delay circuit mr v out v ss v dd cd vref delay circuit mr nju7704***a nju7704f**b
nju7704/05 - 4 - ver.2004-07-16 v dd i ss v dd v out cd v ss a njm7704 mr test circuit circuit operating current test circuit detection voltage/minimum operating voltage test circuit mr pin input voltage test circuit leak current / output current test circuit delay time test circuit r l v out v v dd v out cd v ss njm7704 mr v v dd v mr v mr v dd i leak / i out v dd v out cd v ss njm7704 mr a v out / v ds r l v dd v out cd v ss njm7704 mr v dd cd oscilloscope ch1 ch2 v det / v op l r l v out v v dd v out cd v ss njm7704 mr v v dd
nju7704/05 - 5 - ver.2004-07-16 typical application 1 power supply monitor circuit (vdd line common) 2 power supply monitor circuit (vdd line separate) reset sig nal input micro-processor etc r l v dd v out cd v ss njm7704 mr v dd cd reset sig nal input micro-processor etc r l v dd v out cd v ss njm7704 mr v dd 1 cd v dd 2
nju7704/05 - 6 - ver.2004-07-16 NJU7705 absolute maximum ratings (ta=25 c) parameter symbol ratings unit input voltage v dd +10 v output voltage v out v ss -0.3 +10 v output current i out 50 ma sot-23-5 200 power dissipation p d sc88a 250(*note 3) mw operating temperature topr -40 +85 c storage temperature tstg -40 +125 c (*note 3): on board, 114.3mm 76.2mm 1.6mm 2layers fr-4 electrical characteristics (ta=25 c) parameter symbol test condition min. typ. max. unit detection voltage v det -1.0% - +1.0% v hysteresis voltage v hys 70 90 130 mv v det =1.5v 2.9v version - 0.7 1.5 quiescent current i ss v dd =v det +1v v det =2.6v 6.0v version - 0.9 2.0 a v dd =1.2v 0.75 2.0 - nch,v ds =0.5v v dd =2.4v ( 2.7v version) 4.5 7.0 - v dd =4.8v ( 3.9v version) 2.0 3.5 - v dd =6.0v (4.0 5.6v version) 2.5 4.0 - output current i out pch,v ds =0.5v v dd =8.4v ( 5.7v version) 3.0 5.0 - ma detection voltage temperature coefficient ? v det / ? ta ta = 0 +85 c - 100 - ppm/ c delay time t d v dd =v det +1v, cd=4.7nf 8 10 12 ms v mr_h 1.5 - v dd input voltage of mr pin (active "l") v mr_l 0 - 0.3 v v mr_h v dd -0.3 - v dd input voltage of mr pin (active "h") v mr_l 0 - v dd -1.5 v impedance of mr pin r mr 1.0 2.0 3.0 m ? operating voltage (*note 4) v dd r l =100k ? 0.8 - 9 v (*note 4): the minimum operating voltage(vopl) indicates the same value of the output voltage(vout) on condition that vout becomes 10% or less of the input voltage(vdd).
nju7704/05 -7- ver.2004-07-16 equivalent circuit v out v ss v dd cd vref delay circuit mr v out v dd v dd cd vref delay circuit mr NJU7705***a NJU7705***b test circuit circuit operating current test circuit detection voltage test circuit mr pin input voltage test circuit nch output current test circuit v dd i ss v dd v out cd v ss a njm7705 mr v dd i out v dd v out cd v ss njm7705 mr a v ds v out v v dd v out cd v ss njm7705 mr v v dd v mr v mr v det v out v v dd v out cd v ss njm7705 mr v
nju7704/05 - 8 - ver.2004-07-16 test circuit pch output current test circuit delay time test circuit minimum operating voltage test circuit typical application 1 power supply monitor circuit (vdd line common) [caution] the specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. the application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. v dd i out v dd v out cd v ss njm7705 mr a v ds v dd v out cd v ss njm7705 mr v dd cd oscilloscope ch1 ch2 v op l r l v out v v dd v out cd v ss njm7705 mr v v dd reset sig nal input micro-processor etc v dd v out cd v ss njm7705 mr v dd cd
|
