s o t - 23-3l encapsulate adjustable reference source cj431 adjustable accurate reference source features the output voltage can be adjusted to 36v low dynamic output impedance ,its typical value is 0.2 ? trapping current capability is 1 to 100ma the typical value of the equivalent temperature factor in the whole temperature scope is 50 ppm/ the effective temperature compensation in the working range of full temperature low output noise voltage fast on -state response absolute maximum ratings (operating temperature range applies unless otherwise specified) parameter s ymbol v alue u nit cathode voltage v ka 37 v cathode current range (continuous) i ka -100-+150 ma reference lnput current range iref 0.05-+10 ma power dissipation p d 3 5 0 mw storage temperature range tstg -65 ~ +150 electrical characteristics (ta=25 unless otherwise specified) parameter symbol test conditions min typ max unit reference lnput voltage v ref v ka =v ref , i ka =10ma 2.450 2.5 2.550 v deviation of r eference i nput voltage over t emperature (note) v ref /t v ka =v ref , i ka =10ma tmin ta tmax 4.5 17 mv v ka =10v~v ref -1.0 -2.7 m v/v ratio of change in reference lnput voltage to the c hange in cathode voltage v ref /v ka i ka =10ma v ka =36v~10v -0.5 -2.0 m v/v reference lnput current l ref i ka = 10ma,r 1 =10 k ? r 2 = 1.5 4 a deviation of reference lnput current over full temperature range l ref /t l ka =10ma, r 1 =10 k ? r 2 = t a =full temperature 0.4 1.2 a minimum c athode c urrent for r egulation i ka(min) v ka =v ref 0.45 1.0 ma off-state c athode current i ka(off) v ka =36v ,v ref =0 0.05 1.0 a dynamic lmpedance z ka v ka =v ref , l ka =1 to 100ma f 1.0 k hz 0.15 0.5 ? note:t min = 0 ,t max =+ 70 classification of v ref rank 0 . 5% 1 % range 2.4 8 7-2.513 2.475-2.525 so t- 23-3l 1.reference 2. cathode 3. anode thermal resistance from junction to ambient r ja 3 57 /w z z z z z z z operating ambient t emperature range t opr 0~ +70 operating junction t emperature t j 150 1 of 1 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification d ,nov,2012
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