tl431x programmable precision shunt regulator ? output voltage can be adjusted to 36v ? trapping current capability is 1 to 100 ma ? the effective temperature compensation in the working range of full temperature 0d[lpxp5dwlqjv#7 rsu $ssolhv8qohvv2wkhuzlvh1rwhg parameter symbol value unit input voltage (vo=5.8v) v 1 37 v operating junction temperature t opr 0---70 : storage temperature range t stg -55---+150 : (ohfwulfdo&kdudfwhulvwlfv# &8qohvv2wkhuzlvh6shflilhg parameter sym min typ max test conditions reference input voltage v ref 2.44v 0v 2.49v 5v 2.55v 0v v ka =v ref , i ka =10ma deviation of reference input voltage ? v ref / ? t 4.5mv 17mv v ka =v ref , i ka =10ma t min ta t max -1.0 -2.7 ? v ka = 10v v ref ratio of change in reference input voltage to the change in cathode voltage ? v ref / ? v ka -0.5 -2.0 ? v ka = 36v 10v i ka =10ma reference input current i ref 1.5ua 4ua i ka =10ma, r1=10k
r2= deviation of reference input current over full temperature range ? i ref / ? t 0.4ua 1.2ua i ka =10ma, r1=10k r2= t a =full temperature minimum cathode current for regulation i ka (min) 0.45m a 1.0ma v ka =v ref off-state cathode current i ka (off) 0.05ua 1.0ua v ka =36v, v ref =0v dynamic impedance z ka 0.15 0.5 v ka =v ref , i ka =1 to 100ma, f 1.0khz *note: bypass capacitors are recommended for optimum stability and transient response and should be located as close as possible to the regulators www. mccsemi .com sot-89 3. cathode 2. anode 1. reference revision: a 2011 /01/01
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b a e d g h f k j c 1.55 .061 ref. 123 1 of 3 lead free finish/rohs compliant ("p" suffix designates rohs compliant. see ordering information) epoxy meets ul 94 v-0 flammability rating moisure sensitivity level 1
1.15 1.10 1.05 1.00 0.95 0.90 0.85 0.80 0.75 0.70 1.20 fig. 3 ?re f erence input current vs. temperature reference input current ( ? i z =10ma i z =10ma t a =25 fig. 4 ?dynamic impedance vs. temperature dynamic impedance ( ? fig. 5 ?chan g e in re f erence v olt a g e vs. cathode voltage change in reference voltage (mv) cathode voltage (v) --12 --10 -- 8 -- 6 -- 4 -- 2 0 0 2.5 2.0 1.5 1.0 0.5 0.0 --40 0 604020-20 80 100 120 fig. 6 ?off-state cathode current vs. temperature off-state cathode current ( fig. 1 ?cathode current vs. cathode voltage fig. 2 ?re f erence v olt a g e vs. temperature cathode current ( mcc tl431x revision: a 2011/01/01 tm micro commercial components 2 of 3
mcc revision: a 2011/01/01 tm micro commercial components www. mccsemi .com 3 of 3 4 ordering information : ***important notice*** micro commercial components corp. reserve s the right to make changes without further notice to any product herein to make corrections, modifications , enhancements , improvements , or other changes . micro commercial components corp . does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights ,nor the rights of others . the user of products in such applications shall assume all risks of such use and will agree to hold micro commercial components corp . and all the companies whose products are represented on our website, harmless against all damages. ***life support*** mcc's products are not authorized for use as critical components in life support devices or systems without the express written approval of micro commercial components corporation. ***customer awareness*** counterfeiting of semiconductor parts is a growing problem in the industry. micro commercial components (mcc) is taking strong measures to protect ourselves and our customers from the proliferation of counterfeit parts. mcc strongly encourages customers to purchase mcc parts either directly from mcc or from authorized mcc distributors who are listed by country on our web page cited below. products customers buy either from mcc directly or from authorized mcc distributors are genuine parts, have full traceability, meet mcc's quality standards for handling and storage. mcc will not provide any warranty coverage or other assistance for parts bought from unauthorized sources. mcc is committed to combat this global problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized distributors. device packing part number-tp tape&reel;1kpcs/reel
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