t o - 9 2 encapsulate adjustable reference source cj432 adjustable accurate reference source device descripsion the cj432 is a three-terminal s hunt voltage reference providing a highly accurance 1.24v. the cj432 t hermal stability and wide operating current, makes is sritable for all vari ety of applications that are looking for a low cost solution with high performance. features z low dynamic output impedance z the effective temperature compensation in the working range of full temperature z low output noise voltage z fast on -state response z sink current capab ility of 0.1ma to100ma application z shunt regulator z high-current shunt regulator z precision current limiter absolute maximum ratings (operating temperat ure rangeapplies unless otherwise specified) paramete r symbol value unit cathode voltage v ka 18 v cathode current range (continuous) i ka 100 ma reference lnput current range i ref 6 a power dissipation p d 50 0 mw thermal resistance from junction to ambient r ja 250 /w operating temperature t opr ~ + junction temperature t j 150 storage temperature t stg -65~+150 to-92 1. reference 2. anode 3. cathode 1 of 2 sales@zpsemi.com www.zpsemi.com cj432 & , $ s u ,201
electrical characteristics (t a =25 unless otherwise specified) parameter symbol test conditions min typ max unit reference input voltage (fig 1) v ref v ka =v ref , i ka =10ma 1.2214 1.2586 v deviation of reference voltage over full temperature range (fig 1) v ref(dev) v ka =v ref , i ka =10ma 0 t a 70 16 mv ratio of change in reference input voltage to the change in cathode voltage (fig 2) v ref /v ka i ka =10ma, v ka =1.25v~15v 2.4 mv/v deviation of reference in put current over full temperature range (fig 2) l ref /t l ka =10ma, r 1 =10k ? , r 2 = , 0 t a 70 0.6 a minimum cathode current for regulation (fig 1) i ka(min) v ka =v ref 0.1 ma off-state cathode current (fig 3) i off v ka =15v,v ref =0 0.5 a dynamic impedance z ka v ka =v ref, l ka =0.1 ~20ma, f 1.0 k hz 0.5 ? classification of v ref rank 1% 1.5% range 1.2776~1.2524 1.2214~1.2586 a,dec,2010 2 of 2 sales@zpsemi.com www.zpsemi.com cj432 & , $ s u ,201
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