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ap1117/ap1117i document number: ds31009 rev. 23 - 2 1 of 13 www.diodes.com june 2013 ? diodes incorporated ap1117/ap1117i 1a dropout positive adjustab le or fixed-mode regulator description ap1117 is a low dropout positive adjus table or fixed-mode regulator with 1a output current capability. the product is voltage specifically designed to provide well-regulated s upply for low ic applications such as high-speed bus termination and low current 3.3v logic supply. ap1117 is also well suited for other applications such as vga cards. ap1117 is guaranteed to have lower than 1.4v dropout at full load current making it ideal to provide well-regulated outputs of 1.25 to 5.0 with 6.4v to 18v input supply. ap1117 is available both in commercial temperature grade (ap1117) and in industrial temperature range (ap1117i) (to252 and sot223). features ? 1.4v maximum dropout at full load current ? fast transient response ? output current limiting ? built-in thermal shutdown ? good noise rejection ? 3-terminal adjustable or fix ed 1.5v, 1.8v,2.5v, 3.3v, 5.0v ? operating junction temperature range ? 0c t j +125c (all packages) ? -20c t j +125c (see ordering information) ? -40c t j +125c (see ordering information) ? lead-free packages: sot223, to252, sot89-3, to263 and to220-3 ? totally lead-free; rohs compliant (notes 1 & 2) ? sot223, to252, sot89-3, to263 and to220-3: available in ?green? molding compound (no br, sb) ? halogen and antimony free. ?green? device (note 3) applications ? pc peripheral ? communication ? consumer equipment pin assignments sot89-3 adj (gnd) v out v in 1 3 2 tab is v out ( top view ) sot223 v in v out adj (gnd) tab is v out ( top view ) 3 2 1 to220-3 tab is v out 3 v in 2 1 v out adj (gnd) ( front view ) to252 and to263 3 2 1 v in v out tab is v out ( top view ) adj (gnd) notes: 1. no purposely added lead. fully eu dire ctive 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 incorporated?s definitions of halogen an d antimony free, "green" and lead-free. 3. halogen and antimony free "green? products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm t otal br + cl) and <1000ppm antimony compounds.
ap1117/ap1117i document number: ds31009 rev. 23 - 2 2 of 13 www.diodes.com june 2013 ? diodes incorporated ap1117/ap1117i typical applications circuit ( 5v/3.3v fixed output ) ( 5v/2.5v adj output ) ) r r (1 vv 1 2 ref o ??? ? ? pin descriptions pin number i/o pin name function 1 i adj (gnd) a resistor divider from this pin to the v out pin and ground sets the output voltage (ground only for fixed-mode). 2 o v out the output of the regulator. a minimum of 4.7f capacitor (0.15 ? esr 0.5 ? ) must be connected from this pin to ground to insure stability. 3 i v in the input pin of regulator. typically a large storage capacitor is connected fr om this pin to ground to insure that the input voltage does not sag below the minimum dropout voltage during the load transient response. this pin mu st always be 1.3v higher than v out in order for the device to regulate properly. a minimum of 4.7f capacitor (0.15 ? esr 0.5? ) must be connected from this pin to ground to insure stability. functional block diagram 3 thermal shutdown 1 2 v out adj 1.25v + + current limit v in - + + 1 gnd (fixed) -
ap1117/ap1117i document number: ds31009 rev. 23 - 2 3 of 13 www.diodes.com june 2013 ? diodes incorporated ap1117/ap1117i absolute maximum ratings (@t a = +25c, unless otherwise specified.) symbol parameter rating unit v in dc supply voltage -0.3 to +18 v t mj maximum junction temperature +150 c p d power dissipation sot89-3 sot223 to220-3 to252 to263 internally limited by maximum junction temperature of +150c (note 4) mw t st storage temperature -65 to +150 c notes: 4. ap1117 contains an internal therma l limiting circuit that is designed to prot ect the regulator in the event that the maximum junction temperature exceeded. when activated, typically at +150c, the regulator output switches off and then back on as the die cools . recommended operating conditions (@t a = +25c, unless otherwise specified.) symbol parameter min max unit t op operating junction temperature range ap1117 0 +125 c ap1117i -40 +125 note: 11. 22uf is suggested for c in /c out value when application is required to work under 0 . electrical characteristics (@t a = +25c, unless otherwise specified.) parameter conditions min typ max unit reference voltage ap1117-adj t a = +25c, (v in - out ) = 1.5v i o = 10ma 1.225 1.250 1.275 v output voltage ap1117-1.5 i out = 10ma, t a = +25c, 3v v in 12v 1.470 1.500 1.530 v ap1117-1.8 i out = 10ma, t a = +25c, 3.3v v in 12v 1.764 1.800 1.836 v ap1117-2.5 i out = 10ma, t a = +25c, 4v v in 12v 2.450 2.500 2.550 v ap1117-3.3 i out = 10ma, t a = +25c, 4.8v v in 12v 3.235 3.300 3.365 v ap1117-5.0 i out = 10ma, t a = +25c, 6.5v v in 12v 4.900 5.000 5.100 v line regulation ap1117-xxx i o = 10ma,v out +1.5v < v in < 12v, t a = 25c ? ? 0.2 % load regulation ap1117-adj v in = 3.3v,v adj = 0, 0ma < i o < 1a, t a = +25c (notes 5, 6) ? ? 1 % ap1117-1.5 v in = 3v, 0ma < i o < 1a, t a = +25c (notes 5, 6) ? 12 15 mv ap1117-1.8 v in = 3.3v, 0ma < i o < 1a, t a = +25c (notes 5, 6) ? 15 18 mv ap1117-2.5 v in = 4v, 0ma < i o < 1a, t a = +25c (notes 5, 6) ? 20 25 mv notes: 5. see thermal regulation specifications for changes in ou tput voltage due to heating effects. line and load regulation are measured at a constant junction temperature by low duty cycle pulse testing. load regula tion is measured at the output lead = 1/18? from the package. 6. line and load regulation are guaranteed up to the maximum power dissipation of 15w. power dissipation is determined by the difference between input and output differential and the output current. guarant eed maximum power dissipation will not be available over the full i nput/output range.
ap1117/ap1117i document number: ds31009 rev. 23 - 2 4 of 13 www.diodes.com june 2013 ? diodes incorporated ap1117/ap1117i electrical characteristics (cont.) (@t a = +25c, unless otherwise specified.) parameter conditions min typ max unit load regulation (cont.) ap1117-3.3 v in = 5v, 0 i out 1a, t a = +25c (notes 5, 6) ? 26 33 mv ap1117-5.0 v in = 8v, 0 i out 1a, t a = +25c (notes 5, 6) ? 40 50 mv dropout voltage (v in -v out ) ap1117-adj/1.5/1.8 2.5/3.3/5.0 i out = 800ma, ? v out = 1% v out 0c t j +125c ? 1.2 1.3 v dropout voltage (v in -v out ) ap1117-adj/1.5/1.8 2.5/3.3/5.0 i out = 1a, ? v out = 1% v out 0c t j +125c ? 1.3 1.4 v ap1117i-adj/1.5/1.8 2.5/3.3/5.0 -40c t j +125c current limit ap1117-adj/1.5/1.8 2.5/3.3/5.0 (v in -v out ) = 5v 1. 1 ? ? a minimum load current (note 7) ap1117-xxx 0c t j +125c ? 5 10 ma thermal regulation t a = +25c, 30ms pulse ? 0.008 0.040 %/w ripple rejection f = 180hz, c out = 25f tantalum, i out = 1a ? ? ? ? ap1117-xxx v in = v out +3v ? 60 70 db temperature stability i o = 10ma ? 0.5 ? % ja thermal resistance junction-to-ambient ja sot89-3: control circuitry/power transistor (note 8) sot223: control circuitry/power transistor (note 9) to252: control circuitry/power transistor (note 8) to220-3: control circuitry/power transistor (note 8) to263: control circuitry/power transistor (note 8) ? ? ? ? ? 164 107 73 78 60 ? ? ? ? ? c/w jc thermal resistance junction-to-case sot89-3: control circuitry/power transistor (note 8) sot223: control circuitry/power transistor (note 9) to252: control circuitry/power transistor (note 8) to220-3: control circuitry/power transistor (note 8) to263: control circuitry/power transistor (note 8) ? ? ? ? ? 42 15 12 3.5 3.5 ? ? ? ? ? c/w notes: 7. quiescent current is defined as the minimum output curr ent required in maintaining regu lation. at 12v input/output di fferential the device is guaranteed to regulate if the output current is greater than 10ma. 8. test conditions for sot89-3, to220-3, to252 and to263: devi ces mounted on fr-4 substrate, single sided pc board, 2oz copper ,with minimum recommended pad layout, no air flow. the case point of jc is located on the thermal tab. 9. test conditions for sot223: devices mounted on fr-4 substrate, single sided pc board, 2oz copper, with 5mm x 5mm thermal pa d layout, no air flow. the case point of jc is located on the thermal tab.
ap1117/ap1117i document number: ds31009 rev. 23 - 2 5 of 13 www.diodes.com june 2013 ? diodes incorporated ap1117/ap1117i typical performance characteristics 0 2.0 0 250 500 750 1000 output current (ma) dropout voltage vs. output current 1.8 1.6 1.4 1.2 1.0 0.8 0.2 0.4 0.6 d r o p o u t v o l t a g e (v) t = 25c j t = 125c j -40 0 25 50 75 100 125 i = 800ma load temperature (c) load regulation vs. temperature 0.20 0 -0.20 -0.40 -0.80 -1 o ut p ut v o lt a g e devi a ti o n (%) -40 -25 0 25 50 75 100 125 150 2 temperature (c) percent change in output voltage vs. temperature 1.5 1 0.5 0 -0.5 -1 -2 -1.5 o u t p u t v o l t a g e c h an g e ( % ) 0.8 1 24 6 8 10 12 input voltage (v) line regulation 0.6 0.4 0.2 0 o u t p u t v o l t ag e d e via t i o n ( % ) 7.5 0 20 40 60 80 100 120 140 160 180 200 c = 1f c = 10f tantalum in out time (s) line transient response 6.5 5.5 40 20 0 -20 -40 o ut p ut v o lta g e deviati o n (mv) input voltage (v) 010 20 30 40 50 60 70 80 90 100 -1 0 1 2 -20 -10 0 10 20 30 c = 1f c = 10f tantalum preload = 100ma in out time (s) load transient response l o a d c u r r ent ( a ) output voltage deviation (mv)
ap1117/ap1117i document number: ds31009 rev. 23 - 2 6 of 13 www.diodes.com june 2013 ? diodes incorporated ap1117/ap1117i application information load regulation for improved load regulation the ap1117-adj should have the upper feedback resistor, r1 , connected as close as possible to v out and the lower resistor, r2, connected as close as possible to the load gnd return. this helps reduce any parasitic resistance in series with the load. stability and decoupling capacitors input capacitors to ensure stable operation, the input supply must be low impedance up to a frequency of a few mhz. this requires a closely pla ced input decoupling capacitor of 4.7f minimum. this can be either ceramic or solid tantalum. the esr of this capacitor must be less t han 0.5 ? . output capacitor the ap1117 also requires a closely placed out put capacitor as part of the device frequenc y compensation. as part of its improv ed performance over industry standard 1117, the ap1117 is suitable for use with ml cc (multi-layer ceramic chip) capacitors. a minimum output capacitor of 4.7f ceramic x7r or 4.7f solid tantalum is required. aluminum electr olytic can be used but a minimu m of 47f is required. w hen using aluminum electrolytic it is still recomm ended to also use a 1f mlcc in parallel. the esr of the output capacitors must be le ss than 0.5 ? . the ap1117 is stable when using the correct value of mlcc capaci tors. when using mlcc capacitors x7r dielectric is recommended. do not use y5v dielectrics. capacitor track length both input and output capacitors must be placed close to the ap 1117. pcb traces not longer than 10mm are recommended between t he ap1117 and the capacitors. thermal considerations thermal protection circuitry will shut down the regulator should the junction temperat ure exceed typically +150c at the sense point. the ap1117 is pin compatible with similar ?1117 regulators and o ffers extended temperature range and improved regulation specif ications. ap1117 series regulators have internal ther mal limiting circuitry designed to protec t the device during ov erload conditions. fo r continuous normal load conditions however, the maximum junction temperature rating of +125c must not be exceeded. it is important to give careful considerat ion to all sources of thermal resistance from junction to ambient. for the sot223 and to252 packages, which are designed to be surface mounted, additional heat sources mounted near the device must also be considered. heat sinking is accomplished using the heat spreading capability of the pcb and its copper traces. the jc (junction to tab) of the to252 and sot223 are +12c/w and +15c/w respectively. thermal resistances from tab to ambient can be as low as 30 c/w. the total thermal resistance from junction to ambient ( ja ) can be as low as +42 ~ +46c/w. this requires a reasonable sized pcb with at l east one layer of copper to spread the heat across the board and c ouple it into the surrounding air. datasheet specifications using 2 oz copper and a 5mm x 5mm pad with t a = +27c, no air flow yielded ja (junction to tab) of +73c/w and +107c/w for to252 and sot223 respectively. the thermal resistance for each application will be affected by thermal interactions with other components on the board. some experimentation will be necessary to determine the actual value. see graphs of power dissipation and thermal pictures of different size pcb co pper area for guidance.
ap1117/ap1117i document number: ds31009 rev. 23 - 2 7 of 13 www.diodes.com june 2013 ? diodes incorporated ap1117/ap1117i ordering information device junction temperature range package code packaging (note 10) tube 13? tape and reel quantity part number suffix quantity part number suffix ap1117dxxl-13 0 to +125c d to252 na na 2500/tape & reel -13 ap1117dxxg-13 -20 to +125c d to252 na na 2500/tape & reel -13 ap1117idxxg-13 -40 to +125c d to252 na na 2500/tape & reel -13 ap1117exxl-13 0 to +125c e sot223 na na 2500/tape & reel -13 ap1117exxg-13 -20 to +125c e sot223 na na 2500/tape & reel -13 AP1117IEXXG-13 -40 to +125c e sot223 na na 2500/tape & reel -13 ap1117kxxl-13 0 to +125c k to263 na na 800/tape & reel -13 ap1117kxxg-13 0 to +125c k to263 na na 800/tape & reel -13 ap1117txxl-u 0 to +125c t to220-3 50 -u na na ap1117txxg-u 0 to +125c t to220-3 50 -u na na ap1117yxxl-13 0 to +125c y sot89-3 na na 2500/tape & reel -13 ap1117yxxg-13 0 to +125c y sot89-3 na na 2500/tape & reel -13 notes: 10. pad layout as shown on diodes inc. suggested pad layout do cument ap02001, which can be f ound on our website at http://www.diodes.com/datasheets/ap02001.pdf. note: 11. 22uf is suggested for c in /c out value when application is required to work under 0 . 400 300 200100 06 0 0 500 800700 900 copper area (mm ) 2 1.6 0.6 1.5 1.4 1.3 0.9 0.8 0.7 1.2 1.1 1.0 160 60 150 140 130 90 80 70 120 110 100 p (w) d ? ja ( c /w) p vs. copper area 1oz cu on fr4 d ? ja vs. copper area 1oz cu on fr4 temperature package v out lead free packing blank : commercial i : industrial d : to252 e : sot223 k : to263 t : to220-3 y : sot89-3 blank : adj 15 : 1.5v 18 : 1.8v 25 : 2.5v 33 : 3.3v 50 : 50v l : lead free g : green u : tube 13 : tape & reel ap1117 x x xx x x - pb lead-free pb lead-free pb lead-free pb lead-free pb lead-free
ap1117/ap1117i document number: ds31009 rev. 23 - 2 8 of 13 www.diodes.com june 2013 ? diodes incorporated ap1117/ap1117i marking information (1) sot223 y w x 17x -vv logo x : internal code ( top view ) y : year : 0~9 w : week : a~z : 1~26 week; a~z : 27~52 week; z repersents 52 and 53 week temperature range part number blank : commercial i : industrial 1117 for adj 17-vv : 15 for 1.5v 18 for 1.8v 25 for 2.5v 33 for 3.3v 50 for 5.0v 1117i for adj 17i-vv : 15 for 1.5v 18 for 1.8v 25 for 2.5v 33 for 3.3v 50 for 5.0v (2) to252 (3) sot89-3 identification code output version da ap1117-adj db ap1117-1.5v dc ap1117-1.8v dd ap1117-2.5v de ap1117-3.3v df ap1117-5.0v
ap1117/ap1117i document number: ds31009 rev. 23 - 2 9 of 13 www.diodes.com june 2013 ? diodes incorporated ap1117/ap1117i marking information (cont.) (4) to263 1117-vv x : internal code yy : year : 01~09 ( top view ) yy ww x x ww : week : 01~52 , 52 represents logo g : green part number vv: 15 for 1.5v 18 for 1.8v 25 for 2.5v 33 for 3.3v 50 for 5.0v blank for adj 52 and 53 week l : lead free (5) to220-3 ( top view ) 17 - vv logo yy ww x x part number 1117 for adj 17-vv : 15 for 1.5v 18 for 1.8v 25 for 2.5v 33 for 3.3v 50 for 5.0v x : internal code ww : week : 01~52 , 52 represents yy : year : 01~09 52 and 53 week g : green l : lead free package outline dimensions (all dimensions in mm.) (1) package type: sot223 sot223 dim min max typ a 1.55 1.65 1.60 a1 0.010 0.15 0.05 b1 2.90 3.10 3.00 b2 0.60 0.80 0.70 c 0.20 0.30 0.25 d 6.45 6.55 6.50 e 3.45 3.55 3.50 e1 6.90 7.10 7.00 e ? ? 4.60 e1 ? ? 2.30 l 0.85 1.05 0.95 q 0.84 0.94 0.89 all dimensions in mm a1 a
ap1117/ap1117i document number: ds31009 rev. 23 - 2 10 of 13 www.diodes.com june 2013 ? diodes incorporated ap1117/ap1117i package outline dimensions (cont.) (all dimensions in mm.) (2) package type: to252 (3) package type: sot89 (4) package type: to263 to252 dim min max typ a 2.19 2.39 2.29 a1 0.00 0.13 0.08 a2 0.97 1.17 1.07 b 0.64 0.88 0.783 b2 0.76 1.14 0.95 b3 5.21 5.46 5.33 c2 0.45 0.58 0.531 d 6.00 6.20 6.10 d1 5.21 ? ? e ? ? 2.286 e 6.45 6.70 6.58 e1 4.32 ? ? h 9.40 10.41 9.91 l 1.40 1.78 1.59 l3 0.88 1.27 1.08 l4 0.64 1.02 0.83 a 0 10 ? all dimensions in mm sot89 dim min max a 1.40 1.60 b 0.44 0.62 b1 0.35 0.54 c 0.35 0.44 d 4.40 4.60 d1 1.62 1.83 e 2.29 2.60 e 1.50 typ h 3.94 4.25 h1 2.63 2.93 l 0.89 1.20 all dimensions in mm to263 dim min max a 4.07 4.82 a1 0.00 0.25 b 0.51 0.99 b2 1.15 1.77 c 0.356 0.73 c2 1.143 1.65 d 8.39 9.65 d1 6.55 ? e 9.66 10.66 e1 6.23 ? e 2.54 typ h 14.61 15.87 l 1.78 2.79 l1 ? 1.67 l2 ?? 1.77 a 0 8 all dimensions in mm b3 e 2x b2 d l4 a c2 e a1 l l3 3x b a h a2 e1 e h d1 b1 b e c l a d 8 (4x) h r 0 . 2 0 0 e d b2 b e c2 a h see detail b 71 c e1 d1 a1 gauge plane / l3 a detail b seating plane l2 l1 12 k
ap1117/ap1117i document number: ds31009 rev. 23 - 2 11 of 13 www.diodes.com june 2013 ? diodes incorporated ap1117/ap1117i package outline dimensions (cont.) (all dimensions in mm.) (5) package type: to220-3 suggested pad layout (1) package type: sot223 (2) package type: to252 to220-3 dim min max a 3.55 4.85 b 0.51 1.14 b1 1.14 1.78 c 0.31 1.14 d 14.20 16.50 d1 5.84 6.86 e 9.70 10.70 e 2.79 2.99 e1 4.83 5.33 f 0.51 1.40 j1 2.03 2.92 l 12.72 14.72 l1 3.66 6.35 p 3.53 4.09 q 2.54 3.43 all dimensions in mm dimensions value (in mm) x1 3.3 x2 1.2 y1 1.6 y2 1.6 c1 6.4 c2 2.3 dimensions value (in mm) z 11.6 x1 1.5 x2 7.0 y1 2.5 y2 7.0 c 6.9 e1 2.3 a f c d e l b e1 b1 d1 q l1 j1 e seating plane ?p x2 c1 c2 x1 y2 y1 x2 c z x1 y1 e1 y2
ap1117/ap1117i document number: ds31009 rev. 23 - 2 12 of 13 www.diodes.com june 2013 ? diodes incorporated ap1117/ap1117i suggested pad layout (cont.) (3) package type: sot89 (4) package type: to263 dimensions value (in mm) x 0.900 x1 1.733 x2 0.416 y 1.300 y1 4.600 y2 1.475 y3 0.950 y4 1.125 c 1.500 dimensions value (in mm) c 5.08 x 1.10 x1 10.41 y 3.50 y1 7.01 y2 15.99 y1 x1 y2 y c x (3x) y3 y4 x2 (2x) x1 y y2 c x y1
ap1117/ap1117i document number: ds31009 rev. 23 - 2 13 of 13 www.diodes.com june 2013 ? diodes incorporated ap1117/ap1117i 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 rese rve the right to make modifications, enhancements, improvements, corrections or ot her changes without further notice to this document and any product descri bed 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 under its patent or trademark rights, nor the rights of others. any customer or user of this document or products described herein in such applica tions 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 through unauthoriz ed sales channel. should customers purchase or use diodes inco rporated products for any unintended or una uthorized application, customers shall i ndemnify and hold diodes incorporated and its representativ es harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death a ssociated 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. only the english version of t his document is the final and determinative format released by diodes incorporated. life support diodes incorporated products are specifically not authorized for use as critical com ponents in life support devices or systems without the express written approval of the chief executive offi cer of diodes incorporated. as used herein: a. life support devices or syst ems 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 proper ly used in accordance with instructions for use provided in 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 devic e or system whose failure to perform can be reasonably expect ed to cause the failure of the life support device or to affect its safety or effectiveness. customers represent that they have all necessary expertise in the safety and regulatory ramifi cations of their life support dev ices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-rel ated requirements concerning the ir products and any use of diodes incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or s ystems-related information or support that may be provided by diodes incorporated. further, customers must fully indemnify diodes incorporate d and its representatives against any damages arisi ng out of the use of diodes incorporated pr oducts in such safety-critical, life suppor t devices or systems. copyright ? 2013, diodes incorporated www.diodes.com

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