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ame 1 AME5284 rev . a.02 4a, 300khz ~ 1.4mhz synchronous re ctif ied ste p-down converter the AME5284 is a synchronous re ctif ied ste p-down converter with intern al power mosfet s. it a chieve s 4a continous output current over a wide switching frequencyra nge with excellent loa d a nd line regulation. current mode operation provide s fa st tra n sient re spon se a nd e a se s of loop sta bilization. intern al soft-start mini- mizes the inrush supply current at startup. the circuitprotection includes cycle-by cycle current limiting, out- put short circuit frequency prote ction a nd thermal shut- down. this device is availa ble in sop-8/pp pa ck age with ex- posed pa d f or low thermal re sista nce. n general de scri ption n fe ature s n application s n t ypical application l 4a output current l 70m w /70m w internal power mosfet switch l sta ble with low esr output cera mic ca pa cit -ors l up to 95% efficiency l le ss tha n 10 m a shutdown current l w ide switching frequency ra nge from 300khz~1.4mhz l thermal shutdown l cycle by cycle over current prote ction a nd hiccup l output adjusta ble from 0.8v to v in l short circuit frequency protection l green products meet rohs sta ndards l tv l distributed power syste ms l pre-regulator for linear regulators a m e 5 2 8 4 s w r f r e q 3 0 k o n o f f i n 5 v c i n 1 0 m f c 2 o p t i o n a l c 1 6 8 0 p f r 3 5 . 1 k i n e n c o m p g n d f r e q r 1 1 2 k r 2 2 4 k c o u t 2 2 m f f b o u t 1 . 2 v 4 a l 1 1 . 5 m h
ame 2 AME5284 rev . a.02 4a, 300khz ~ 1.4mhz synchronous re ctif ied ste p-down converter n function al block di agra m o t p s o f t s t a r t ++ - 0 . 9 v 0 . 8 v v r e f s l o p e o s c e n a b l e u v l o p w m i n s w s w p g n d e n f r e q c o m p g n d f b - + e a c u r r e n t s e n s e i r c m p - + l o g i c d r i v e r - + o v p c u r r e n t l i m i t
ame 3 AME5284 rev . a.02 4a, 300khz ~ 1.4mhz synchronous re ctif ied ste p-down converter n pin configuration sop-8/pp t op v iew AME5284-azaadj1. comp 2. gnd 3. en 4. in5. sw 6. sw 7. freq 8. fb note: connect exposed pad (heat sink on the back) to gnd. n pin de scri pti ion * die attach: conductive epoxy p i n n u m b e r p i n n a m e p i n d e s c r i p t i o n 1 c o m p c o m p e n s a t i o n n o d e . c o m p i s u s e d t o c o m p e n s a t e t h e r e g u l a t i o n c o n t r o l l o o p . c o n n e c t a s e r i e s r c n e t w o r k f r o m c o m p t o g n d t o c o m p e n s a t e t h e r e g u l a t i o n c o n t r o l l o o p . i n s o m e c a s e s , a n a d d i t i o n a l c a p a c i t o r f r o m c o m p t o g n d i s r e q u i r e d . 2 g n d g r o u n d . c o n n e c t t h e e x p o s e d p a d t o g n d . 3 e n e n a b l e . i n t e r n a l p u l l h i g h w i t h a r e s i s t o r . p u l l e n b e l o w 0 . 6 v t o s h u t d o w n t h e r e g u l a t o r . 4 i n p o w e r i n p u t . i n s u p p l i e s t h e p o w e r t o t h e i c , a s w e l l a s t h e s t e p - d o w n c o n v e r t e r s w i t c h e s . b y p a s s i n t o g n d w i t h a s u i t a b l e l a r g e c a p a c i t o r t o e l i m i n a t e n o i s e o n t h e i n p u t t o t h e i c . 5 , 6 s w p o w e r s w i t c h i n g o u t p u t . s w i s t h e s w i t c h i n g n o d e t h a t s u p p l i e s p o w e r t o t h e o u t p u t . c o n n e c t t h e o u t p u t l c f i l t e r f r o m s w t o t h e o u t p u t l o a d . n o t e t h a t a c a p a c i t o r i s r e q u i r e d f r o m s w t o b s t o p o w e r t h e h i g h - s i d e s w i t c h . 7 f r e q f r e q u e n c y a d j u s t p i n . a d d a r e s i s t o r f r o m t h i s p i n t o g r o u n d d e t e r m i n e s t h e s w i t c h i n g f r e q u e n c y . 8 f b f e e d b a c k i n p u t . f b s e n s e s t h e o u t p u t v o l t a g e t o r e g u l a t e t h a t v o l t a g e . d r i v e f b w i t h a r e s i s t i v e v o l t a g e d i v i d e r f r o m t h e o u t p u t v o l t a g e . t h e f e e d b a c k r e f e r e n c e v o l t a g e i s 0 . 8 v . 1 3 2 4 a m e 5 2 8 4 5 6 7 8
ame 4 AME5284 rev . a.02 4a, 300khz ~ 1.4mhz synchronous re ctif ied ste p-down converter n ordering information number of pins pa ck age t ype pin configuration AME5284 - x x x xxx output v oltage a 1 . c o m p z : s o p / p p a : 8 a d j : a d j u s t a b l e ( s o p - 8 / p p ) 2 . g n d 3 . e n 4 . i n 5 . s w 6 . s w 7 . f r e q 8 . f b p i n c o n f i g u r a t i o n p a c k a g e t y p e n u m b e r o f p i n s o u t p u t v o l t a g e
ame 5 AME5284 rev . a.02 4a, 300khz ~ 1.4mhz synchronous re ctif ied ste p-down converter n re commended operating condition s n thermal information * me a sure q jc on ba ck side center of exposed pa d. ** mil-st d-202g 210f n absolute m axi mum ratings m a x i m u m u n i t - 0 . 3 v t o + 6 v v - 0 . 7 v t o v i n + 0 . 7 v v - 0 . 3 v t o v i n + 0 . 3 v v h b m 2 k v m m 2 0 0 v p a r a m e t e r e s d c l a s s i f i c a t i o n s u p p l y v o l t a g e s w i t c h v o l t a g e e n , f b , c o m p , f r e q t o g n d p a r a m e t e r s y m b o l r a t i n g u n i t a m b i e n t t e m p e r a t u r e r a n g e t a - 4 0 t o + 8 5 j u n c t i o n t e m p e r a t u r e r a n g e t j - 4 0 t o + 1 2 5 s t o r a g e t e m p e r a t u r e r a n g e t s t g - 6 5 t o + 1 5 0 o c p a r a m e t e r p a c k a g e d i e a t t a c h s y m b o l m a x i m u m u n i t t h e r m a l r e s i s t a n c e * ( j u n c t i o n t o c a s e ) q j c 1 5 t h e r m a l r e s i s t a n c e ( j u n c t i o n t o a m b i e n t ) q j a 7 5 i n t e r n a l p o w e r d i s s i p a t i o n p d 1 . 3 3 3 m w m a x i m u m j u n c t i o n t e m p e r a t u r e 1 5 0 o c 2 6 0 o c l e a d t e m p e r a t u r e ( s o l d e r i n g 1 0 s e c ) * * c o n d u c t i v e e p o x y o c / w s o p - 8 / p p
ame 6 AME5284 rev . a.02 4a, 300khz ~ 1.4mhz synchronous re ctif ied ste p-down converter n ele ctrical spe cif ication s v in =5v , t a =25 o c, unle ss otherwise noted. p a r a m e t e r s y m b o l t e s t c o n d i t i o n m i n t y p m a x u n i t s i n p u t v o l t a g e r a n g e 3 5 . 5 v i n p u t u v l o 2 2 . 3 2 . 6 v v e n = 5 v ( n o s w i t c h i n g ) s h u t d o w n c u r r e n t i s h d n v e n = 0 v 1 0 m a f e e d b a c k v o l t a g e v f b 0 . 7 8 4 0 . 8 0 . 8 1 6 v f e e d b a c k c u r r e n t i f b - 5 0 5 0 n a l o a d r e g u l a t i o n 0 a < i o u t < 4 a 0 . 2 5 % l i n e r e g u l a t i o n 3 . 3 v < v i n < 5 . 5 v 0 . 2 5 % / v e n v o l t a g e h i g h 1 . 5 v e n v o l t a g e l o w 0 . 4 v e n l e a k a g e c u r r e n t i e n l k v e n = 3 v 4 m a r f r e q = n c 3 0 0 k h z r f r e q = 1 2 0 k w 6 0 0 k h z r f r e q = 4 7 k w 1 m h z r f r e q = 3 0 k w 1 . 4 m h z s h o r t - c i r c u i t f r e q u e n c y f s w s c 0 . 2 5 f s w h i g h - s i d e s w i t c h c u r r e n t l i m i t 6 8 . 5 a l o w - s i d e s w i t c h c u r r e n t l i m i t - 2 a m a x i m u m d u t y c y c l e 1 0 0 % m i n i m u m o n t i m e 1 0 0 n s e r r o r a m p v o l t a g e g a i n a e a 6 0 0 v / v e r r o r a m p t r a n c o n d u c t a n c e g e a 3 9 0 m a / v s w i t c h l e a k a g e c u r r e n t i s w l k v s w = 0 v , v e n = 0 v 0 . 1 m a h i g h - s i d e s w i t c h o n r e s i s t a n c e r d s o n , h i 7 0 m w l o w - s i d e s w i t c h o n r e s i s t a n c e r d s o n , l o 7 0 m w o t p r i s i n g 1 7 0 o c o t h h y s t e r e s i s 2 0 o c t h e r m a l s h u t d o w n p r o t e c t i o n m a v e n s w i t c h i n g f r e q u e n c y f s w q u i e s c e n t c u r r e n t 4 5 0
ame 7 AME5284 rev . a.02 4a, 300khz ~ 1.4mhz synchronous re ctif ied ste p-down converter n detailed de scri ption normal operationthe AME5284 use s a user a djusta ble frequency , cur- rent mode step-down architecture with internal mosfetswitch. during normal operation, the intern al high-side (pmos) switch is turned on e a ch cycle when the oscilla- tor sets the sr latch, a nd turned of f when the compara- tor re sets the sr latch. the pe a k inductor current at which comparator resets the sr latch is controlled bythe output of error a mplif ier ea. while the high-side switch is off, the low-side switch turns on until either the low-side current li mit re a ched or the beginning of the next switching cycle. dropout operationthe output voltage is dropped from the input supply for the voltage which a cross the high-side switch. as the in put supply voltage de cre a se s to a value a pproa ching the output voltage, the duty cycle incre a se s toward the maximum on-time. further reduction of the supply volt-age forces the high-side switch to remain on for more tha n one cycle until it re a che s 100% duty cycle. soft-startthe AME5284 e mploys intern al soft-start circuitry to reduce supply inrush current during startup conditions. over t e mperature prote ction the in most a pplication s the AME5284 doe s not dissi- pate much he at due to high ef f iciency . but, in a pplica- tion s where the AME5284 is running at high a mbient te m- perature with low supply voltage a nd high duty cycle s, such a s in dropout, the he at dissi pated may exceed the maximum junction temperature of the part. if the junc-tion te mperature re a che s a pproxi mately 170 o c, the inter- n al high-side power switch will be turned of f a nd the sw switch will be come high i mpeda nce. short circuit protectionwhen the output is shorted to ground, the frequency of the oscillator is reduced to about 1/4 of the normal fre-quency to en sure that the inductor current ha s more ti me to de cay , thereby preventing run away . me a nwhile, AME5284 enters hiccup mode, the average short circuitcurrent is greatly reduced to alleviate the thermal issue a nd to prote ct the regulator .
ame 8 AME5284 rev . a.02 4a, 300khz ~ 1.4mhz synchronous re ctif ied ste p-down converter n application inf ormation for a fixed output voltage, the output ripple is highestat maxi mum in put voltage since d i l incre a se s with in put voltage. when choosing the in put a nd output cera mic ca pa ci- tors, choose the x5r or x7r dielectric formulations. thesediele ctrics have the be st te mperature a nd voltage char- a cteristics of all the cera mics f or given value a nd size. output v oltage progra mming the output voltage of the AME5284 is set by a re sistive divider a ccording to the f ollowing f ormula: some sta ndard value of r1, r2 f or most commonly used output voltage value s are listed in t a ble 1. v o u t ( v ) r 1 ( k w w w w ) r 2 ( k w w w w ) 1 . 1 7 . 5 2 0 1 . 2 1 0 2 0 1 . 5 1 7 . 4 2 0 1 . 8 3 0 2 4 2 . 5 5 1 2 4 3 . 3 7 5 2 4 . 2 1 1 8 . 0 v o l t r r v o u t + = inductor selection for most a pplication s, the value of the inductor will fall in the ra nge of 2.2 m h to 4.7 m h. its value is chosen ba sed on the desired ripple current. large value inductors lowerri pple current a nd small value inductors re sult in higher ri pple currents. higher v in or v out also incre a se the ri pple current d i l : a re a son a ble inductor current ri pple is usually set a s 1/3 to 1/5 of maxi mum out current. the dc current rating of the inductor should be at le a st equal to the maxi mum load current plus half the ripple current to prevent coresaturation. for better ef f iciency , choose a low dcr in- ductor . ca pa citor sele ction in continuous mode, the source current of the topmosfet is a s quare wave of duty cycle v out /v in . t o prevent large voltage tra n sients, a low esr in put ca pa ci- tor sized for maximum rms current must be used. themaxi mum rms ca pa citor current is given by: c in requires i rms this f ormula ha s a maxi mum at v in =2v out , where i rms =i out /2. for si mplif ication, use a n in put ca pa citor with a rms current rating gre ater tha n hal f of the maxi mum load current. the selection of c out is driven by the required effective serie s re sista nce (esr). t ypically , once the esr re- quire ment f or c out ha s been met, the rms current rating generally far exceeds the i ripple(p-p) requirement. the output ri pple d v out is determined by:

- = d i n o u t o u t l v v v l f i 1 1

+ d @ d o u t l o u t f c e s r i v 8 1 ( ) i n o u t i n o u t o m a x v v v v i - @
ame 9 AME5284 rev . a.02 4a, 300khz ~ 1.4mhz synchronous re ctif ied ste p-down converter loop compensation the AME5284 e mploys pe a k current mode control f or e a sy use a nd fa st tra n sient re spon se. pe a k current mode control eliminates the double pole effect of the output l-c f ilter . it gre atly si mplif ie s the compen sation loop de- sign. w ith pe a k current mode control, the buck power stage ca n be si mplif ied to be a one-pole a nd one-zero syste m in frequency domain. the pole ca n be calculated by: the zero is a esr zero due to output ca pa citor a nd its esr. it ca n be calculated by: where c out is the output ca pa citor , r l is loa d re sis- ta nce; esr cout is the equivalent serie s re sista nce of output ca pa citor . the compen sation de sign is to sha pe the converter close loop tra n s fer function to get de sired gain a nd pha se. for most ca se s, a serie s ca pa citor a nd re sistor network con- ne cted to the comp pin sets the pole-zero a nd is a d- equate f or a sta ble high-ba ndwidth control loop. in the AME5284, fb pin a nd comp pin are the inverting in put a nd the output of intern al tra n sconducta nce error a mplif ier (ea). a serie s rc a nd cc compen sation net- work conne cted to comp pin provide s one pole a nd one zero:for r c <
+ = p p 2 2 1 2 c c z r c f = p 2 1 2 where g ea is the error a mplif ier tra n sconducta nce a ea is the error a mplif ier voltage gain r c is the compensation resistor c c is the compen sation ca pa citor the desired crossover frequency f c of the system is de- f ined to be the frequency where the control loop ha s unity gain. it is also called the ba ndwidth of the converter . in general, a higher ba ndwidth me a n s fa ster re spon se to loa d tra n sient. however , the ba ndwidth should not be too high because of system stability concern. when de-signing the compensation loop, converter stability under all line a nd loa d condition must be con sidered. usually , it is re commended to set the ba ndwidth to be le ss tha n 1/10 of switching frequency . using sele cted crossover frequency , f c , to calculate r c : where g cs is the current sen se circuit tra n sconducta nce. the compen sation ca pa citor c c a nd re sistor r c together ma ke zero. this zero is put somewhere close to the pole f p1 of sele cted frequency . c c is sele cted by: che cking t ra n sient re spon se the regulator loop re spon se ca n be che cked by looking at the loa d tra n sient re spon se. switching regulators ta ke several cycles to respond to a step in load current. whena loa d ste p occurs, v out i mmedi ately shifts by a n a mount equal to ( d i load ??esr), where esr is the effective se- rie s re sista nce of c out . d i load also begin s to charge or discharge c out , which generate s a feedba ck error sign al. the regulator loop then a cts to return v out to its ste a dy- state value. during this re covery ti me v out ca n be moni- tored for overshoot or ringing that would indicate a stabil-ity problem. c s e a o u t f b o u t c c g g c v v f r = p 2 c l o u t c r r c c =
ame 10 AME5284 rev . a.02 4a, 300khz ~ 1.4mhz synchronous re ctif ied ste p-down converter efficiency considerations although all dissi pative ele ments in the circuit produce losse s, one ma jor source usually a ccount f or most of the losse s in AME5284 circuits: i 2 r losse s. the i 2 r loss dominates the efficiency loss at medium to high loadcurrents. the i 2 r losse s are calculated from the re sista nce s of the intern al switche s, r sw , a nd extern al inductor r l . in continuous mode, the average output current flowingthrough inductor l is "chopped" between the main switch a nd the synchronous switch. thus the serie s re sista nce looking into the sw pin is a function of both top a nd bottom mosfet r ds(on) a nd the duty cycle (d) a s f ol- lows:r sw = (r ds(on)top )(d) + (r ds(on)bottom )(1-d) the r ds(on) f or both the top a nd bottom mosfet s ca n be obtained from ele ctrical chara cteristics ta ble. thus, to obtained i 2 r losse s, si mply a dd r sw to r l a nd multi- ply the result by the square of the average output cur-rent. other losse s including c in a nd c out esr dissi pative losse s a nd inductor core losse s generally a ccount f or le ss tha n 2% total a ddition al loss. thermal considerations in most a pplication the AME5284 doe s not dissi pate much he at due to its high ef f iciency . but, in a pplication s where the AME5284 is running at high a mbient te mpera- ture with low supply voltage a nd high duty cycle s, such a s in dropout, the he at dissi pated may exceed the maxi- mum junction temperature of the part. if the junctionte mperature re a che s a pproxi mately 170 o c, both power switche s will be turned of f a nd the sw switch will be- come high i mpeda nce.
ame 11 AME5284 rev . a.02 4a, 300khz ~ 1.4mhz synchronous re ctif ied ste p-down converter n t ypical operating circuit t a ble 1. re commended components sele ctin f or f sw = 1.4mhz figure 3. AME5284 regulators layout di agra m v o u t ( v ) c i n ( m f ) r 1 ( k w r 2 ( k w r 3 ( k w c 1 p f l ( m h ) c o u t m f 3 . 3 1 0 7 5 2 4 2 5 6 8 0 2 . 2 2 2 2 . 5 1 0 5 1 2 4 2 0 6 8 0 2 . 2 2 2 1 . 8 1 0 3 0 2 4 1 5 6 8 0 1 . 5 2 2 1 . 5 1 0 2 1 2 4 1 3 6 8 0 1 . 5 2 2 1 . 2 1 0 1 2 2 4 1 1 6 8 0 1 . 5 2 2 1 . 1 1 0 6 2 4 8 . 2 6 8 0 1 . 5 2 2 v i n c o m p f b f r e q s w v o u t g n d r 3 c 1 c i n r 2 r 1 r f r e q l 1 c o u t c i n m u s t b e p l a c e d b e t w e e n v i n a n d g n d a s c l o s e a s p o s s i b l e s w p a d s h o u l d b e c o n n e c t e d t o g e t h e r t o i n d u c t o r b y w i d e a n d s h o r t t r a c e , k e e p s e n s i t i v e c o m p o n e n t s a w a y f r o m t h i s t r a c e . g n d 12 3 4 5 6 7 8 v i n g n d s w s w v o u t c o n n e c t t h e f b p i n d i r e c t l y t o f e e d b a c k r e s i s t o r s . t h e g r o u n d a r e a m u s t p r o v i d e a d e q u a t e h e a t d i s s i p a t i n g a r e a t o t h e t h e r m a l p a d a n d u s i n g m u l t i p l e v i a s t o h e l p t h e r m a l d i s s i p a t i o n . p l a c e t h e i n p u t a n d o u t p u t c a p a c i t o r s a s c l o s e t o t h e i c a s p o s s i b l e e n v i n 3 v t o 5 v a m e 5 2 8 4 s w r f r e q c h i p e n a b l e c i n 1 0 m f c 2 o p t i o n a l c 1 r 3 i n e n c o m p g n d f r e q r 1 r 2 c o u t f b v o u t l 13 4 2 5 , 6 87 g n d 9 ( e x p o s e d p a d )
ame 12 AME5284 rev . a.02 4a, 300khz ~ 1.4mhz synchronous re ctif ied ste p-down converter n chara cterization curve efficiency vs. output current efficiency vs. output current efficiency vs. output current efficiency vs. output current 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 0 0 . 5 1 . 0 1 . 5 2 . 0 2 . 5 3 . 0 3 . 5 4 . 0 v o u t = 3 . 3 v v i n = 5 v r f r e q = 3 0 k output current (a) efficiency (%) 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 0 0 . 5 1 . 0 1 . 5 2 . 0 2 . 5 3 . 0 3 . 5 4 . 0 v o u t = 1 v v i n = 5 v r f r e q = 3 0 k output current (a) efficiency (%) 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 0 0 . 5 1 . 0 1 . 5 2 . 0 2 . 5 3 . 0 3 . 5 4 . 0 v o u t = 3 . 3 v v i n = 5 v r f r e q = n c 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 0 0 . 5 1 . 0 1 . 5 2 . 0 2 . 5 3 . 0 3 . 5 4 . 0 v o u t = 1 v v i n = 5 v r f r e q = n c output current (a) output current (a) efficiency (%) efficiency (%)
ame 13 AME5284 rev . a.02 4a, 300khz ~ 1.4mhz synchronous re ctif ied ste p-down converter n chara cterization curve (contd.) load step load step v in = 5v v out = 3.3v i out = 1ma to 4a r freq = 30k 1) v out = 100mv/div 2) i l = 2a/div v in = 5v v out = 1v i out = 1ma to 4a r freq = 30k 1) v out = 50mv/div 2) i l = 2a/div power on from en power on form vin v in = 5v v out = 3.3v r freq = nc 1) v en = 2v/div 2) v out = 2v/div 3) i l = 4a/div v in = 5v v out = 3.3v r freq = nc 1) v in = 2v/div 2) v out = 2v/div 3) i l = 4a/div time (100 m m m m m sec/div) time (100 m m m m m sec/div) time (2.0ms/div) time (5.0ms/div)
ame 14 AME5284 rev . a.02 4a, 300khz ~ 1.4mhz synchronous re ctif ied ste p-down converter n chara cterization curve (contd.) power off from en v in = 5v v out = 3.3v r freq = nc 1) v en = 2v/div 2) v out = 2v/div 3) i l = 4a/div power off from vin v in = 5v v out = 3.3v r freq = nc 1) v in = 2v/div 2) v out = 2v/div 3) i l = 4a/div short circuit t e st v in = 5v v out = 3.3v r freq = nc 1) v in = 5v/div 2) v out = 2v/div 3) i l = 4a/div quie scent current vs. in put v oltage time (5.0ms/div) time (5.0ms/div) time (100ms/div) 3 8 0 3 9 0 4 0 0 4 1 0 4 2 0 4 3 0 4 4 0 4 5 0 4 6 0 4 7 0 4 8 0 4 9 0 3 . 5 4 . 0 4 . 5 5 . 0 v o u t = 3 . 3 v r f r e q = n c in put v oltage (v) quiescent current ( m m m m m a)
ame 15 AME5284 rev . a.02 4a, 300khz ~ 1.4mhz synchronous re ctif ied ste p-down converter n t a pe a nd reel di men sion carrier t a pe, number of components per reel a nd reel size sop-8/pp p i n 1 w p a m e a m e p a c k a g e c a r r i e r w i d t h ( w ) p i t c h ( p ) p a r t p e r f u l l r e e l r e e l s i z e s o p - 8 / p p 1 2 . 0 0 . 1 m m 4 . 0 0 . 1 m m 2 5 0 0 p c s 3 3 0 1 m m n pa ck age di men sion sop-8/pp b e e e 2 c f r o n t v i e w s i d e v i e w t o p v i e w d 1 e 1 l 1 d a 1 a a 2 q p i n 1 m i n m a x m i n m a x a 1 . 3 5 0 1 . 7 5 0 0 . 0 5 3 0 . 0 6 9 a 1 0 . 0 0 0 0 . 2 5 0 0 . 0 0 0 0 . 0 1 0 a 2 1 . 2 5 0 1 . 6 5 0 0 . 0 4 9 0 . 0 6 5 c 0 . 1 0 0 0 . 2 5 0 0 . 0 0 4 0 . 0 1 0 e 3 . 7 5 0 4 . 1 5 0 0 . 1 4 8 0 . 1 6 3 e 1 5 . 7 0 0 6 . 3 0 0 0 . 2 2 4 0 . 2 4 8 l 1 0 . 3 0 0 1 . 2 7 0 0 . 0 1 2 0 . 0 5 0 b 0 . 3 1 0 0 . 5 1 0 0 . 0 1 2 0 . 0 2 0 d 4 . 7 2 0 5 . 1 2 0 0 . 1 8 6 0 . 2 0 2 e q q q q 0 o 8 o 0 o 8 o e 2 1 . 9 4 0 2 . 6 0 0 0 . 0 7 6 0 . 1 0 2 d 1 1 . 9 4 0 3 . 5 0 0 0 . 0 7 6 0 . 1 3 8 1 . 2 7 0 b s c 0 . 0 5 0 b s c s y m b o l s m i l l i m e t e r s i n c h e s
life support policy: the se products of ame, inc. are not authorized f or use a s critical components in life-support device s or syste ms, without the expre ss written a pproval of the pre sident of ame, inc. ame, inc. re serve s the right to ma ke cha nge s in the circuitry a nd spe cif ication s of its device s a nd a dvise s its customers to obtain the late st version of releva nt inf ormation. ? ame, inc. , july 2013 document: a005-ds5284-a.02 corporate he a dquarter ame, inc.8f , 12, w enhu st., ne i-hu t ai pe i 1 14, t aiwa n . t el: 886 2 2627-8687 fax: 886 2 2659-2989 www .a me.com.tw e-m ail: sale s@a me.com.tw

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