nju7710/11 -1- ver.2006-02-23 2ch voltage detector general description package outline the nju7710/11 is a 2ch low quiescent current voltage detector featuring high precision detection voltage. the detection voltage is internally fixed with an accuracy of 1.0%. nju7710 is nch. open drain and nju7711 is a c-mos output type. features high precision detection voltage 1.0% low quiescent current 0.8 a typ. (per 1ch) detection voltage range 1.3 6.0v(0.1v step) output configuration nju7710: nch. open drain type nju7711: c-mos output type package outline sot-23-5 / sc88a pin configuration equivalent circuit nju7710 nju7711 v out 1 / v out 2 v ss v dd 1 /v dd 2 vref vref v out 1/v out 2 v ss v dd 1/v dd 2 nju7710/11f nju7710/11f3 pin function 1. v out 1 2. v ss 3. v dd 1 4. v dd 2 5. v out 2 nju7710f/f3, nju7711f/f3 1 2 3 4 5
nju7710/11 - 2 - ver.2006-02-23 detection voltagerank list nju7710 v det device name package ch1 ch2 nju7710f1524 1.5v 2.4v nju7710f2318 2.3v 1.8v nju7710f0435 4.0v 3.5v NJU7710F4227 4.2v 2.7v nju7710f0613 sot-23-5 6.0v 1.3v nju7710f3-1524 1.5v 2.4v nju7710f3-2318 2.3v 1.8v nju7710f3-0435 4.0v 3.5v nju7710f3-4227 4.2v 2.7v nju7710f3-0613 sc88a 6.0v 1.3v nju7711 v det device name package ch1 ch2 nju7711f4219 4.2v 1.9v nju7711f4227 4.2v 2.7v nju7711f0613 sot-23-5 6.0v 1.3v nju7711f3-4219 4.2v 1.9v nju7711f3-4227 4.2v 2.7v nju7711f3-0613 sc88a 6.0v 1.3v
nju7710/11 - 3 - ver.2006-02-23 nju7710 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 350(*1) sot-23-5 200(*2) power dissipation p d sc88a 250(*1) mw operating temperature topr ? 40 +85 c storage temperature tstg ? 40 +125 c (*1) : mounted on glass epoxy board based on eia/jedec. (114.3x76.2x1.6mm: 2layers) (*2) : device itself electrical characteristics (ch1/2 common characteristics, ta=25 c) parameter symbol test condition min. typ. max. unit detection voltage v det -1.0% ? 0.03 v det 0.05 v det 0.08 v v det =1.3v 1.7v version ? 0.5 1.0 a quiescent current i ss v dd =v det +1v v det =1.8v 6.0v version ? 0.8 1.6 a v dd =1.2v 0.75 2.0 ? ma 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 operating voltage (*3) v dd r l =100k ? 0.8 ? 9 v (*3): the minimum operating voltage(v opl ) indicates the same value of the input voltage(v dd ) on condition that v out becomes 10% or less of the input voltage(v dd ).
nju7710/11 - 4 - ver.2006-02-23 test circuit 1 common test circuit 2 output current/output leak current test circuit v dd 1 i ss 1 v dd 1v out 1 r l 1 v out 1 v det 1/ v op l 1 a v v njm7710 v dd 2 i ss 2 v dd 2v out 2 r l 2 v out 2 v det 2/ v op l 2 a v v v ss v dd 1 v dd 1v out 1 v ds 1/ v out 1 i out 1/i leak 1 a njm7710 v dd 2 v dd 2v out 2 v ss v ds 2/ v out 2 a i out 1/i leak 1
nju7710/11 - 5 - ver.2006-02-23 typical application 1 power supply voltage supervision of two systems 2 power supply voltage supervision of two systems ( at the time of power source supply classified by micro-processor ) v dd 1 v dd 1v out 1 njm7710 v dd 2 v dd 2v out 2 v ss reset sig nal input reset sig nal input m icr o- pr ocessor 1 m icr o- pr ocessor 2 v ss r l 1: 100k r l 2: 100k v dd 3 v dd 4 v dd 1 v dd 1v out 1 njm7710 v dd 2 v dd 2v out 2 v ss reset sig nal input reset sig nal input m icr o- pr ocessor 1 m icr o- pr ocessor 2 v ss r l 1: 100k r l 2: 100k ? ? v dd 1 v dd 1v out 1 njm7710 v dd 2 v dd 2v out 2 v ss reset sig nal input reset sig nal input m icr o- pr ocessor 1 m icr o- pr ocessor 2 v ss r l 1: 100k r l 2: 100k v dd 3 v dd 4 ? ?
nju7710/11 - 6 - ver.2006-02-23 nju7711 absolute maximum ratings (ta=25 c) parameter symbol ratings unit input voltage v dd +10 v output voltage v out v ss -0.3 v dd +0.3 v output current i out 50 ma 350(*4) sot-23-5 200(*5) power dissipation p d sc88a 250(*4) mw operating temperature topr ? 40 +85 c storage temperature tstg ? 40 +125 c (*4) : mounted on glass epoxy board based on eia/jedec. (114.3x76.2x1.6mm: 2layers) (*5) : device itself electrical characteristics (ch1/2 common characteristics. ta=25 c) parameter symbol test condition min. typ. max. unit detection voltage v det -1.0% ? 1.7v version ? 0.5 1.0 a quiescent current i ss v dd =v det +1v v det =1.8v 6v version ? 0.8 1.6 a v dd =1.2v 0.75 2.0 ? ma nch, v ds =0.5v v dd =2.4v ( 2.7v version) 4.5 7.0 ? ma v dd =4.8v ( 3.9v version) 2.0 3.5 ? ma v dd =6.0v (4v 5.6v version) 2.5 4.0 ? ma 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 operating voltage (*6) v dd r l =100k ? 0.8 ? 9 v (*6): 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 ).
nju7710/11 -7- ver.2006-02-23 test circuit 1 common test circuit 2 nch output current test circuit v dd 1 i ss 1 v dd 1v out 1 v out 1 v det 1/ v op l 1 a v v njm7711 v dd 2 i ss 2 v dd 2v out 2 v out 2 v det 2/ v op l 2 a v v v ss v dd 1 v dd 1v out 1 v ds 1 i out 1 a njm7711 v dd 2 v dd 2v out 2 v ss v ds 2 a i out 2
nju7710/11 - 8 - ver.2006-02-23 3 pch output current test circuit 4 minimum operating voltage test circuit v dd 1 v dd 1v out 1 v ds 1 i out 1 a njm7711 v dd 2 v dd 2v out 2 v ss v ds 2 a i out 2 v dd 1 v dd 1v out 1 r l 1 v out 1 v op l 1 v v njm7711 v dd 2 v dd 2v out 2 r l 2 v out 2 v op l 2 v v v ss
nju7710/11 - 9 - ver.2006-02-23 typical application power supply voltage supervision of two systems v dd 1 v dd 1v out 1 njm7711 v dd 2 v dd 2v out 2 v ss reset sig nal input reset sig nal input m icr o- pr ocessor 1 m icr o- pr ocessor 2 v ss
nju7710/11 - 1 0 - ver.2006-02-23 [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.
|
