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a z2085 document number: ds 36595 rev. 3 - 2 1 of 11 www.diodes.com march 2014 ? diodes incorporated AZ2085 a product line of diodes incorporated new product 3a low dropout linear regulator description the AZ2085 series is low dropout positive voltage regulators with a maximum dropout of 1.5v at 3a of load current. the device features on - chip thermal shutdown. it also includes a bandgap reference and a current limiting circuit. the AZ2085 is available in adjustable version. the adjustable version can set the output voltage with two external resistors. the AZ2085 series is av ailable in standard package s of to 252 - 2 (3) and to 252 - 2 (5) . applications ? high efficiency linear regulators ? battery charger ? digital video/camcorder ? post regulation for switching supplies ? microprocessor supply ? mother board power supplies ? dvd - video player ? telecom equipment ? set top boxes and web boxes modules' supply features ? low dropout voltage: typical 1. 2 v at 3a ? current limiting and thermal protection ? output current: 3a ? current limit: 4.5a ? operating junction temperature: 0 to + 125 c ? line regulation: 0.015% (typ) ? load regulation: 0.1% (typ) ? adjust pin current: 6 a (typ) ? minimum load current: 0.3ma (typ) ? compatible with low esr ceramic capacitor ? totally lead - free & fully rohs compliant (notes 1 & 2) ? halogen and antimony free. green device (note 3 ) 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 definitions 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. pin assignments (top view) (top view) (top view) to 252 - 2 (3) option 1 to 252 - 2 (3) option 2 to 252 - 2 (5) 1 2 3 input output adj / gnd 1 2 3 input output adj / gnd 1 2 3 input output adj / gnd
a z2085 document number: ds 36595 rev. 3 - 2 2 of 11 www.diodes.com march 2014 ? diodes incorporated AZ2085 a product line of diodes incorporated new product typical applications circuit pin descriptions pin number p in name function 1 adj/gnd adjust pin/ground 2 output output voltage 3 input input voltage a z 2 0 8 5 a d j / g n d v o u t = v r e f * ( 1 + r 2 / r 1 ) + i a d j * r 2 r 2 r 1 v i n v o u t c i n = 1 0 f c o u t = 2 2 f i n p u t o u t p u t 3 2 1
a z2085 document number: ds 36595 rev. 3 - 2 3 of 11 www.diodes.com march 2014 ? diodes incorporated AZ2085 a product line of diodes incorporated new product functional block diagram thermal protection + - for adjustable output , disconnect a 1 and a 2 , connect b input output adj / gnd a 1 a 2 b 3 2 1
a z2085 document number: ds 36595 rev. 3 - 2 4 of 11 www.diodes.com march 2014 ? diodes incorporated AZ2085 a product line of diodes incorporated new product absolute maximum ratings ( note 4 ) symbol parameter rating unit v in input voltage 18 v t j operating junction temperature + 150 c t stg storage temperature range - 65 to + 150 c t lead lead temperature (soldering, 10sec) + 260 c ja thermal resistance (junction to ambient) 100 c /w esd (human body model) 2000 v note 4 : stresses greater than those listed under absolute maximum ratings may cause permanent damage to the device. these are str ess ratings only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating condi tions is not implied. exposure to absolute maximum ratings for extended periods may affect device reliability. recomme nded operating conditions symbol parameter min max unit v in input voltage 12 v t j operating junction temperature 0 +125 c
a z2085 document number: ds 36595 rev. 3 - 2 5 of 11 www.diodes.com march 2014 ? diodes incorporated AZ2085 a product line of diodes incorporated new product electrical characteristics ( typicals and limits appearing in normal type apply for t j = + 25 oc . limits appearing in boldface type apply over the entire operating junction temperature range 0 to + 125 oc . ) symbol parameter conditions min typ max unit v ref reference voltage i out = 10ma, v in - v out = 3v, t j = + 25 c , 10ma i out 3a, 1.5v v in - v out 5v 1.238 1.225 1.250 1.250 1.262 1.275 v v out /v out load regulation 0a i out 3a, v in - v out = 3v 0.1 0.2 0.3 0.4 % v out / v in l ine regulation i out = 10ma, 2.85v v in 10v 0.015 0.035 0.2 0.2 % v drop dropout voltage i out = 3a, v ref , v out = 1% 1. 2 1.5 v i limit current limit v in - v out = 3v 3.2 4.5 a i load minimum load current v in = 10v 0.3 1 ma i adj adjust pin current v in = 4.25v, i out = 10ma 6 10 a i adj adjust pin current change 10ma i out 3 a, 1.5v v in - v out 6v 0.3 2 a psrr ripple rejection f ripple = 120hz, c out = 22 f, i out = 3a, v in - v out = 3v 72 db long term stability t a = + 125 c, 1000hrs 0.5 % temperature stability i out = 10ma, v in - v out = 1.5v 0.5 % rms noise (% of v out ) t a = + 125 c, 10hz f 10khz 0.003 % otsd + 130 + 150 + 170 c otsd hysteresis + 20 c pulse current pulse width 100 s 7 12 a jc thermal resistance ( junction to case) 7.36 c/w
a z2085 document number: ds 36595 rev. 3 - 2 6 of 11 www.diodes.com march 2014 ? diodes incorporated AZ2085 a product line of diodes incorporated new product ordering informatio n diodes ics pb - free products with "g1" suffix in the part number, are rohs compliant and green . package temperature range part number marking id packing to 252 - 2 (3) / to 252 - 2 (5) 0 to + 125 ? c AZ2085d - adjtrg1 AZ2085d - adjg1 2500/ tape & reel marking information (1) to252 - 2 series (top view) xxxxxxd - adj g1 ywwaxx first and s econd l ines: logo and marking id (see ordering information) third l ine: date code y: y ear ww: w ork w eek of m olding a: a ssembly h ouse c ode xx: 7 th and 8 th d igits of batch no . a z 2 0 8 5 x - x x x x x x p a c k i n g p a c k a g e t r : t a p e & r e e l p r o d u c t n a m e d : t o 2 5 2 - 2 ( 3 ) / t o 2 5 2 - 2 ( 5 ) o u t p u t v o l t a g e a d j : a d j u s t a b l e g 1 : g r e e n r o h s / g r e e n
a z2085 document number: ds 36595 rev. 3 - 2 7 of 11 www.diodes.com march 2014 ? diodes incorporated AZ2085 a product line of diodes incorporated new product package outline dimensions (all d imensions in mm ( inch ) . ) (1) type package: to 252 - 2 (3) 1 . 2 9 0 . 1 2 . 9 0 0 r e f 1 . 4 0 0 ( 0 . 0 5 5 ) 1 . 7 0 0 ( 0 . 0 6 7 ) 0 . 4 7 0 ( 0 . 0 1 9 ) 0 . 6 0 0 ( 0 . 0 2 4 ) 5 9 0 8 9 . 8 0 0 ( 0 . 3 8 6 ) 1 0 . 4 0 0 ( 0 . 4 0 9 ) 2 . 2 0 0 ( 0 . 0 8 7 ) 2 . 3 8 0 ( 0 . 0 9 4 ) 0 . 9 0 0 ( 0 . 0 3 5 ) 1 . 1 0 0 ( 0 . 0 4 3 ) 4 . 7 0 0 r e f 6 . 5 0 0 ( 0 . 2 5 6 ) 6 . 7 0 0 ( 0 . 2 6 4 ) 5 . 1 3 0 ( 0 . 2 0 2 ) 5 . 4 6 0 ( 0 . 2 1 5 ) 0 . 1 5 0 ( 0 . 0 0 6 ) 0 . 7 5 0 ( 0 . 0 3 0 ) 6 . 0 0 0 ( 0 . 2 3 6 ) 6 . 2 0 0 ( 0 . 2 4 4 ) 0 . 7 2 0 ( 0 . 0 2 8 ) 0 . 8 5 0 ( 0 . 0 3 3 ) 2 . 2 8 6 ( 0 . 0 9 0 ) b s c 0 . 7 2 0 ( 0 . 0 2 8 ) 0 . 9 0 0 ( 0 . 0 3 5 ) 0 . 9 0 0 ( 0 . 0 3 5 ) 1 . 2 5 0 ( 0 . 0 4 9 ) 1 . 8 0 0 r e f 8 0 0 . 6 0 0 ( 0 . 0 2 4 ) 1 . 0 0 0 ( 0 . 0 3 9 ) 7 3 9 5 5 . 2 5 0 r e f o p t i o n 1 o p t i o n 2
a z2085 document number: ds 36595 rev. 3 - 2 8 of 11 www.diodes.com march 2014 ? diodes incorporated AZ2085 a product line of diodes incorporated new product package outline dimensions ( cont. all dimensions in mm (inch) .) (2) package type: to 252 - 2 (5) 2 . 1 9 0 ( 0 . 0 8 6 ) 2 . 3 9 0 ( 0 . 0 9 4 ) 0 . 5 0 8 ( 0 . 0 2 0 ) 0 1 0 1 . 4 0 0 ( 0 . 0 5 5 ) 1 . 7 8 0 ( 0 . 0 7 0 ) 2 . 7 4 0 ( 0 . 1 0 8 ) r e f 9 . 4 0 0 ( 0 . 3 7 0 ) 1 0 . 4 0 0 ( 0 . 4 0 9 ) 0 . 0 0 0 ( 0 . 0 0 0 ) 0 . 1 3 0 ( 0 . 0 0 5 ) 6 8 0 . 4 5 0 ( 0 . 0 1 8 ) 0 . 5 8 0 ( 0 . 0 2 3 ) 6 . 0 0 0 ( 0 . 2 3 6 ) 6 . 2 0 0 ( 0 . 2 4 4 ) 5 . 2 1 0 ( 0 . 2 0 5 ) m i n 4 . 3 2 0 ( 0 . 1 7 0 ) m i n 6 . 4 5 0 ( 0 . 2 5 4 ) 6 . 7 0 0 ( 0 . 2 6 4 ) 5 . 2 1 0 ( 0 . 2 0 5 ) 5 . 5 0 0 ( 0 . 2 1 7 ) 0 . 8 8 0 ( 0 . 0 3 5 ) 1 . 2 7 0 ( 0 . 0 5 0 ) 0 . 6 4 0 ( 0 . 0 2 5 ) 1 . 0 2 0 ( 0 . 0 4 0 ) 0 . 7 6 0 ( 0 . 0 3 0 ) 1 . 1 4 0 ( 0 . 0 4 5 ) 2 . 2 8 6 ( 0 . 0 9 0 ) 0 . 6 4 0 ( 0 . 0 2 5 ) 0 . 8 8 0 ( 0 . 0 3 5 )
a z2085 document number: ds 36595 rev. 3 - 2 9 of 11 www.diodes.com march 2014 ? diodes incorporated AZ2085 a product line of diodes incorporated new product suggested pad layout (1) package type: to 252 - 2 (3) dimensions z (mm)/(inch) x1 (mm)/(inch) x2=y2 (mm)/(inch) y1 (mm)/(inch) g (mm)/(inch) e1 (mm)/(inch) value 11.600/0.457 1.500/0.059 7.000/0.276 2.500/0.098 2.100/0.083 2.300/0.091 e 1 x 1 y 2 y 1 z x 2 g
a z2085 document number: ds 36595 rev. 3 - 2 10 of 11 www.diodes.com march 2014 ? diodes incorporated AZ2085 a product line of diodes incorporated new product suggested pad layout (cont.) (2) package type: to 252 - 2 (5) dimensions z (mm)/(inch) x1 (mm)/(inch) x2=y2 (mm)/(inch) y1 (mm)/(inch) g (mm)/(inch) e1 (mm)/(inch) value 11.600/0.457 1.500/0.059 7.000/0.276 2.500/0.098 2.100/0.083 2.300/0.091 e 1 x 1 y 2 y 1 z x 2 g
a z2085 document number: ds 36595 rev. 3 - 2 11 of 11 www.diodes.com march 2014 ? diodes incorporated AZ2085 a product line of diodes incorporated new product 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, improvements, corrections or other c hanges without further notice to this document and any product described herein. diodes incorporated does not assume any liability arising out of the application or use of this document or any product described herein; neither does diodes incorporated convey any license unde r its patent or trademark rights, nor the rights of others. any customer or user of this document or products described herein in such applications shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented on diod es incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel. should customers purchase or use diodes incorporated products for any unintended or unauthorized application, customers shall indem nify and hold diodes incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising ou t of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized applic ation. products described herein may be covered by one or more united states, international or foreign patents pending. product nam es and markings noted herein may also be covered by one or more united states, international or foreign trademarks. this d ocument is written in english but may be translated into multiple languages for reference. only the english version of this document is the final and determinative format released by diodes incorporated. life support diodes incorporated products are spe cifically 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 syst ems 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 significant 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. custo mers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support device s or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety - related requirements 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, cu stomers 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 4 , diodes incorporated www.di odes.com

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