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ztl431 x q/ztl432 x q document number: ds36916 rev. 2 - 2 1 of 11 www.diodes.com september 2016 ? diodes incorp orated ztl431 x q/ztl432 x q automotive compliant adjustable precision shunt regulator description the ztl431 x q and ztl432 x q are three terminal adjustable shunt regulators offering excellent temperature stability and output current handling capability up to 100ma. the output voltage may be set to any chosen voltage between 2.5 and 20 volts by selection of two external divider resistors. the ztl432 x q has the same electrical specifications as the ztl431 x q but has a different pin out in sot23 (f - suffix) and sot23 f ( f f - suffix) . both variants are available in 2 grades with initial tolerances of 1% and 0.5% for the a and b grades respectively. these are functionally equivalent to the tl431/tl432 except for maximum operation voltage, and have an ambient temperature range of - 40 c to + 125c as standard. the ztl431 x q and ztl432 x q are qualified to aec - q100 grade 1 and are automotive compliant supporting ppaps . pin assignments ztl431 x q f sot2 3 , ztl431 x q ff sot23f (top view) ztl432 x q f sot23 , ztl432 x q ff sot23f (top view) ztl431 x qe5 sot2 5 (top view) * must be left floating or connected to pin 5 typical application features ? temperature r ange : - 40 c to + 125c ? reference v oltage t olerance at + 25c ? 0.5 % : b grade ? 1% : a grade ? 0.2? typical output impedance ? sink c urrent c apability : 1ma to 100ma ? adjustable o utput v oltage : v ref to 20v ? green molding in sot23 , sot23f and sot25 ? totally lead - free & fully rohs compliant (notes 1 & 2) ? halogen and antimony free. green device (no te 3) ? qualified to aec - q10 0 standards for high reliability ? aec - q100 grade 1 ? ppap capable (note 4) applications ? opto - c oupler l inearization ? linear r e gulators ? improved z ener ? variable r eference notes: 1. no purposely added lead. fully eu directive 2002/95/ec (rohs) & 2011/65/eu (rohs 2) compliant. 2. see http://www.diodes.com/quality/lead_free.html for more information about diodes incorporateds d efinitions of halogen and antimony - free, "green" and lead - free. 3. halogen - and antimony - free "green products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total br + cl) and <1000ppm antimony compounds. 4. a utomotive compliant products are aec - q100 qualified and are ppap capable. r efer to http ://www.diodes.com/quality/product_compliance_definitions/. anode cathode ref 2 1 3 anode cathode ref 2 1 3 anode cathode ref 2 1 3 2 anode cathode n/c 3 1 5 4 ref n/c*
ztl431 x q/ztl432 x q document number: ds36916 rev. 2 - 2 2 of 11 www.diodes.com september 2016 ? diodes incorp orated ztl431 x q/ztl432 x q absolute maximum ratings (voltages specified are relative to the anode pin unless otherwise stated . ) parameter rating unit cat hode voltage (v ka ) 20 v continuous cathode current (i ka ) 150 ma reference input current range (i ref ) - 50a to + 10ma esd susceptibility hbm human body model 2 kv mm m achine model 2 00 v cdm charged device model 1 kv caution : stresses greater than the 'absolute maximum ratings' specified above, may cause permanent damage to the device. these are str ess ratings only; functional operation of the device at conditions be tween maximum recommended operating conditions and absolute maximum ratings is not implied. device reliability may be affected by exposure to absolute maximum rating conditions for extended periods of time. ( semiconductor devices are esd sensitive and may be damaged by exposure to esd events. suitable esd precautions should be taken when handling and transporting these devices. ) package thermal data package ? ja p dis t a = + 25c, t j = + 1 2 5 c sot23 380c/w 26 0mw sot23 f 1 38c/w 7 2 0mw sot25 250c/w 4 00mw recommended operating conditions (@ t a = +25c, unless otherwise specified.) symbol parameter min max unit v ka cathode voltage v ref 20 v i ka cathode current 1 100 ma t a operating ambient temperature range - 40 +125 c electrical characteris tics (@ t a = +25c, unless otherwise specified.) symbol parameter conditions min typ max units v ref reference v oltage v ka = v ref i ka = 10ma a - grade 2.475 2.5 2.525 v b - grade 2.487 2.5 2.513 v dev deviation of reference voltage ove r full temperature r ange v ka = v ref i ka = 10 ma t a = 0 to + 70 a = - 40 to + 85c a = - 40 to + 125c ? ref ? ka ratio of change in reference v oltage to the change in cathode v oltage i ka = 10ma v ka = v ref to 10 ka = 10v to 20v ref reference i nput c urrent i ka = 10ma, r1 = 10k?, 2 = oc ? ref i ref deviation over full temperature r ange i ka = 10ma r 1 = 10k? 2 = oc t a = 0 to + 70c a = - 40 to + 85c a = - 40 to + 125c ka(min) minimum cathode current for r egulation v ka = v ref ka(off) off state c urrent v ka = 20v, v ref = 0v z dynamic output i mpedance v ka = v ref , f = 0hz ?
ztl431 x q/ztl432 x q document number: ds36916 rev. 2 - 2 3 of 11 www.diodes.com september 2016 ? diodes incorp orated ztl431 x q/ztl432 x q typical charact eristics i k a = 1 0 m a v r e f = v k a 0 1 0 0 2 0 0 3 0 0 4 0 0 5 0 0 6 0 0 7 0 0 8 0 0 9 0 0 1 0 0 0 0 2 5 5 0 7 5 1 0 0 1 2 5 s o t 2 3 - 5 s o t 2 3 s c 7 0 - 6 s o t 2 3 f a m b i e n t t e m p e r a t u r e ( c ) p o w e r d i s s i p a t i o n ( m w ) r e f e r e n c e v o l t a g e v s . t e m p e r a t u r e d y n a m i c i m p e d a n c e v s . f r e q u e n c y p o w e r d i s s i p a t i o n d e r a t i n g i k a = 1 0 m a v r e f = v k a 0 1 0 0 2 0 0 3 0 0 4 0 0 5 0 0 6 0 0 7 0 0 8 0 0 9 0 0 1 0 0 0 0 2 5 5 0 7 5 1 0 0 1 2 5 s o t 2 3 - 5 s o t 2 3 s c 7 0 - 6 s o t 2 3 f a m b i e n t t e m p e r a t u r e ( c ) p o w e r d i s s i p a t i o n ( m w ) r e f e r e n c e v o l t a g e v s . t e m p e r a t u r e d y n a m i c i m p e d a n c e v s . f r e q u e n c y p o w e r d i s s i p a t i o n d e r a t i n g
ztl431 x q/ztl432 x q document number: ds36916 rev. 2 - 2 4 of 11 www.diodes.com september 2016 ? diodes incorp orated ztl431 x q/ztl432 x q typical characteristics ( c ont inued ) i k a i k a i k a v k a v k a v r e f < v k a < 2 0 , i k a = 1 0 m a , t a = 2 5 c v k a v k a s t a b i l i t y b o u n d a r y c o n d i t i o n 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 1 0 . 0 e - 1 2 1 0 0 . 0 e - 1 2 1 . 0 e - 9 1 0 . 0 e - 9 1 0 0 . 0 e - 9 1 . 0 e - 6 l o a d c a p a c i t a n c e ( f ) c a t h o d e c u r r e n t ( m a ) g a i n v s . f r e q u e n c y 0 1 0 2 0 3 0 4 0 5 0 6 0 1 0 0 1 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 f r e q u e n c y ( h z ) g a i n ( d b ) s t a b l e s t a b l e s t a b l e s t a b l e s t a b l e s t a b l e s t a b l e s t a b l e s t a b l e s t a b l e s t a b l e s t a b l e s t a b l e s t a b l e s t a b l e s t a b l e s t a b l e p u l s e r e s p o n s e t e s t c i r c u i t f o r s t a b i l t y b o u n d a r y c o n d i t i o n s t e s t c i r c u i t f o r p u l s e r e s p o n s e t e s t c i r c u i t f o r o p e n l o o p v o l t a g e g a i n
ztl431 x q/ztl432 x q document number: ds36916 rev. 2 - 2 5 of 11 www.diodes.com september 2016 ? diodes incorp orated ztl431 x q/ztl432 x q application circuits v o n ~ 2 v v o f f = v + v t h = 2 . 5 v o u t p u t v + i n p u t r 1 r 2 v o u t v o u t v + v r e f v r e f r 1 r 2 v o u t v o u t v + v r e f v r e f r 1 r 2 v o u t v o u t v + v r e f v r e f v o u t ( m i n ) = v r e f + v r e g i n o u t c o m m o n z s r * * * 0 . 0 1 f 3 0 r 1 r 2 v r e f v + v o u t v o u t v r e f r 1 r 1 r 2 b r 2 a v r e f v r e f v r e f v r e f v + o u t p u t s h u n t r e g u l a t o r o u t p u t c o n t r o l o f a t h r e e t e r m i n a l f i x e d r e g u l a t o r s i n g l e s u p p l y c o m p a r a t o r w i t h t e m p e r a t u r e c o m p e n s a t e d t h r e s h o l d h i g h e r c u r r e n t s h u n t r e g u l a t o r s e r i e s r e g u l a t o r o v e r v o l t a g e / u n d e r v o l t a g e p r o t e c t i o n c i r c u i t
ztl431 x q/ztl432 x q document number: ds36916 rev. 2 - 2 6 of 11 www.diodes.com september 2016 ? diodes incorp orated ztl431 x q/ztl432 x q dc test circuits notes deviation of reference input voltage, v dev , is defined as the maximum variation of the reference input voltage over th e full temperature range. the average temperature coefficient of the reference input voltage, v ref is defined as: v ref (ppm / c) = v dev ? 1,000,000 v ref (t1 - t2) the dynamic output impedance, r z , is defined as: r z = v z i z when the device is programmed with two external resistors, r1 and r2, ( f ig ure 2), the dynamic output impedance of the overall circuit, r' z , is defined as: r' z = r z (1 + r1 ) r2 stability boundary the ztl431 x q and ztl432 x q are stable with a range of capacitive loads. a zone of instability exists as demonstrated in the typical characteristic graph on p age 4 . the graph shows typical conditions. to ensure reliable stability , a capacitor of 4.7nf or greater is recommended between anode and cathode.
ztl431 x q/ztl432 x q document number: ds36916 rev. 2 - 2 7 of 11 www.diodes.com september 2016 ? diodes incorp orated ztl431 x q/ztl432 x q ordering information tol. ordering code package code pack ag ing (note 5 ) part mark reel size tape width (mm) quantity per reel qualification (note 6 ) 1% ztl431a q e5ta e5 sot25 31a 7, 180mm 7, 180mm 7, 180mm 7, 180mm 7, 180mm 7, 180mm 7, 180mm 7, 180mm 7, 180mm 7, 180mm notes : 5 . pad layout shown at http://www.diodes.com/package - outlines.html . 6 . ztl431 x q and ztl432 x q are qualified to aec - q100 grade 1 and are classified as automotive compliant supporting ppap documentation . automotive, aec - q100 and standard products are electrically and thermally the same, except where specified. for more information, please refer to http://www.diodes.com/quality/product_compliance_definitions/ . see ztl431/ztl432 datasheet for commercial qualified versions . package marking dimensions sot23 and sot23f orderable part mark ztl431aqffta 31a ztl431aqfta 31a ztl 432aqffta 32a ztl432aqfta 32a ztl431bqffta 31b ztl431bqfta 31b ZTL432BQFFTA 32b ztl432bqfta 32b sot25 orderable part mark ztl431 a q e5 ta 31 a ztl43 1 bq e5 ta 3 1 b
ztl431 x q/ztl432 x q document number: ds36916 rev. 2 - 2 8 of 11 www.diodes.com september 2016 ? diodes incorp orated ztl431 x q/ztl432 x q package outline dimensions please see http://www.diodes.com/package - outlines.html for the latest version. sot23 sot23f sot2 5 sot23 dim min max typ a 0.37 0.51 0.40 b 1.20 1.40 1.30 c 2.30 2.50 2.40 d 0.89 1.03 0.915 f 0.45 0.60 0.535 g 1 .78 2.05 1.83 h 2.80 3.00 2.90 j 0.013 0.10 0.05 k 0.890 1.00 0.975 k1 0.903 1.10 1.025 l 0.45 0.61 0.55 l1 0.25 0.55 0.40 m 0.085 0.150 0.110 a 0 8 -- all dimensions in mm sot23f dim min max typ a 0.80 1.00 0.90 a1 0.00 0. 10 0.01 b 0.35 0.50 0.44 c 0.10 0.20 0.16 d 2.80 3.00 2.90 e 0.95 ref e1 1.90 ref e 2.30 2.50 2.40 e1 1.50 1.70 1.65 k 1.20 - - l 0.30 0.65 0.50 l1 0.30 0.50 0.40 r 0.05 0.15 - all dimensions in mm sot25 dim min max typ a 0.35 0.50 0.38 b 1.50 1.70 1.60 c 2.70 3.00 2.80 d - - 0.95 h 2.90 3.10 3.00 j 0.013 0.10 0.05 k 1.00 1.30 1.10 l 0.35 0.55 0.40 m 0.10 0.20 0.15 n 0.70 0.80 0.75 ? 0 8 - all dimensions in mm j k1 k l1 gauge plane 0.25 h l m all 7 a c b d g f a e1 d b e l1 a r b e1 e c k l a1 a m j l d b c h k n
ztl431 x q/ztl432 x q document number: ds36916 rev. 2 - 2 9 of 11 www.diodes.com september 2016 ? diodes incorp orated ztl431 x q/ztl432 x q suggested pad layout plea se see http://www.diodes.com/package - outlines.html for the latest version. sot23 sot23f sot2 5 dimensions value (in mm) c 2.0 x 0.8 x 1 1.35 y 0.9 y1 2.9 dimensions value (in mm) c 0.95 x 0.80 y 1.110 y1 3.000 dimensions value z 3.20 g 1.60 x 0.55 y 0.80 c1 2.40 c2 0.95 x y y1 c x1 x y y1 c x z y c1 c2 c2 g
ztl431 x q/ztl432 x q document number: ds36916 rev. 2 - 2 10 of 11 www.diodes.com september 2016 ? diodes incorp orated ztl431 x q/ztl432 x q revision history date revision changes august 2014 1 - 2 in itial release ju ly 2016 2 - 2 added further clarification of automotive grade and reference to diodes definition (pages 1 and 7 ) amended generic part number s from ztl431q/ztl432q to ztl431xq/ztl432xq (all pages header) addition of sot23f variants : pinout (page 1) thermal impedance (page s 2 and 3 ) ordering information (page 7 tol. ordering code 1% ztl431aqf f ta ztl432a qf fta 0.5% ztl431b q f f ta ztl432b q f f ta package dimensions (page 8) and landing pad info (page 9) correction of esd ratings (note 7) (pa ge 2) : esd rating inco r rect rev ision 1 - 2 specification correct ed rev ision 2 - 2 specification unit hbm human body model 4000 2000 v mm machine model 400 200 v cdm charged device model 1000 1000 v note 7 the actual physical esd withstand capability i s unaltered. amendment of recommended maximum power dissipation based on revised maximum junction temperature of 125c (pages 2 and 3) : package unchanged rev 1 - 2 specification rev 2 - 2 specification ? ja p dis t a = + 25c, t j = + 15 0 c p dis t a = + 25c, t j = + 1 2 5 c sot23 380c/w 33 0mw 26 0mw sot23 f 1 38c/w 72 0mw sot25 250c/w 5 00mw 4 00mw
ztl431 x q/ztl432 x q document number: ds36916 rev. 2 - 2 11 of 11 www.diodes.com september 2016 ? diodes incorp orated ztl431 x q/ztl432 x q important notice diodes incorporated makes no warranty of any kind, express or implied, with regards to this document, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose (and their equivalents under the laws of any jurisdiction). diodes incorporated and its subsidiaries reserve the right to make modifications, enhancements, i mprovements, corrections or other changes without further notice to this document and any product described herein. diodes incorporated does not assume any liability a rising out of the application or use of this document or any product described herein; ne ither does diodes incorporated convey any license under its patent or trademark rights, nor the rights of others. any customer or user of this document or products described herein in such appli cations shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented on diodes incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any liability whatsoever in respect of any products purchased thro ugh unauthorized sales channel. should customers purchase or use diodes incorporated products for any unintended or unauthorized application, customers shall indemnify and hold diodes incorporated and its representatives harmless against all claims, damage s, expenses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized application. products described herein may be covered by one or more united states, international or foreign patents pending. product names and markings noted herein may also be covered by one or more united states, international or foreign trademarks. this document is written in english but may be translated into multiple languages for reference. o nly the english version of this document is the final and determinative format released by diodes incorporated. life support diodes incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the chief executive officer of diodes incorporated. as used herein: a. life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided i n the labeling can be reasonably expected to result in signifi cant injury to the user. b. a critical component is any component in a life support device or system whose failure to perform can be reasonably expe cted to cause the failure of the life support device or to affect its safety or effectiveness. c ustomers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support de vices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety - related requireme nts concerning their products and any use of diodes incorporated products in such safety - critical, life support devices or systems, notwithstanding any devices - or systems - related information or support that may be provided by diodes incorporated. further , customers must fully indemnify diodes incorporated and its representatives against any damages arising out of the use of diodes incorporated products in such safety - critical, life support devices or systems. copyright ? 201 6 , diodes incorporated www.d iodes.com

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