mic94064/5 high side po w e r s w i t c h es mlf and mi c r o l eadfram e are re gistered tradema r ks of amkor tec hnologies, inc. micrel inc. ? 2180 fortu ne drive ? san jose, ca 95131 ? usa ? tel +1 ( 40 8 ) 944 -08 00 ? fax + 1 (408) 474-1000 ? htt p :/ /www.micrel.com jan u a r y 2008 m999 9-01 160 8 ge neral d e s c ription the mic940 64 and mic94 065 a r e high-sid e l oad swit che s de si gned for op e r ation bet we en 1.7v to 5. 5v. the devices contain a lo w on -re si stance p-chan nel mosfet that supp orts ove r 2a of contin uou s cu rrent. the mic940 64/5 p r ovide s a sle w rat e co ntroll ed soft- start turn-on of 115s (typical ) to preve n t in-ru sh cu rrent from glitchi n g supply rail s. the mic940 65 features a n acti ve lo ad discha rge ci rcuit whi c h in su re s capa citive load s retain no cha r ge when the main switch is in an off state. an ac tive p u ll- do wn on th e e n a b le in pu t k e e p s mic940 64/5 i n a default off st ate u n til the en pin is pulled to a hi gh level. built-in level shift circuitry allo ws low voltage logic sig n a ls to swit ch highe r su pply voltages, o r vice ve rsa; high l e vel l ogic sig nal s ca n control low le vel voltages. the mi c94 0 64/5?s ope rati ng voltage ra nge m a kes them suitabl e for 1-cell lith ium ion an d 2- to 3 - cell nimh/ n icad/ alkaline p o wered system s, as well a s al l 5v appli c ation s . their l o w op erating curre n t of 2a an d low shutd o wn cu rrent of <1a maximize b a ttery life. data sh eets and su ppo rt d o cum entation ca n b e fou n d on mic r el?s w eb s i te at: w w w . mic r el.c om. fe ature s ? 1.7v to 5.5v input voltage range ? 2a contin uou s ope ratin g current ? 77m ? (ty p ) r dson ? built-in level shift for co ntrol logic; can b e ope rated by 1.5v logic. ? low 2a q u ie scent cu rrent ? soft-start: 115s ? micro-po wer shutd o wn <1 a ? load di scha rge ci rcuit: mic94 065 ? space savin g 1.2x1.6 mm thin mlf ? p a c kage applicati o ns ? load swit ch i n porta ble ap plicatio ns: - cellul a r p hon es - pdas - mp3 players - digit a l c a me r a s - portable in strumentatio n ? battery switc h -ove r ci rc uits ? level tran slat or ___ __ ___ __ __ ___ __ ___ __ __ ___ __ ___ __ __ ___ __ ___ __ __ ___ __ ___ __ __ ___ __ ___ __ __ ___ __ ___ __ __ ___ __ ___ __ __ ___ __ ___ ty pical a pplic ation mic940 64 loa d s w i t c h a p plic a t ion mic940 65 l o a d s w itch w i th cap aciti v e l o a d disch arg e
mic r el, inc . mic94 064/5 ordering inform ation part nu mb er part mar k in g (1) stan d ard p b -f r e e stan d ard pb -f r e e s o f t - s t a r t l o a d di s c h a r g e p a c k a g e ? mic940 64yc 6 (1) ? 64p ? mic940 65yc 6 (1) ? 6 p 5 sc-70-6 ? mic940 64ymt ? p 6 4 ? mic940 65ymt ? p 6 5 1.2mm x 1.6m m th i n m l f ? notes 1. unde rbar s y mbol on sc-70 p b -free p a ckages ma y not b e to scale. pin c onfi gur ation sc-70- 6 (c6) 1.2x1.6 m m t h i n ml f ? (mt) pin d e s c r i ption pin number s c - 7 0 m l f pin na me pin f unc tio n 1 1 v out drain of p-ch a nnel mo sf et . 2,5 2 gnd ground a nd th e backsi de pa d (mlf onl y ) sh ould both b e conn ected to el ectrical gro u n d . 4 3 v in source of p-ch ann el mo sf et . 3 4 e n enab le (input): active-hig h c m o s compatib le contro l inp ut for s w itch a. d o not leav e floatin g. 6 - - n i c no interna l co nnecti on. a sig nal or vo ltage appl ie d to this pin w i ll hav e n o effect on devi c e oper ation. jan u a r y 2008 2 m999 9-01 160 8
mic r el, inc . mic94 064/5 absol u te maximum ratings (1) input voltage (v in ) ................................................ + 6 v enable volta ge (v en ) ........................................... + 6 v contin uou s drain curre n t (i d ) (3) t a = 25c ....................................................... 2a t a = 85c .................................................... 1.4a pulse d drain cu rre nt (i dp ) (4) ................................ 6a contin uou s diode current (i s ) (4) ..................... ?50ma storage t e m perature (t s ) ............... ?55c to +150c eds rating ? hbm (6) .......................................... 4kv operating ratings (2) input voltage (v in ) ................................. + 1 .7 to + 5 .5v jun c tion t e m perature (t a ) .............. ?40c to +125c packag e the r mal resi stan ce sc-7 0-6 ( ja ) ......................................... 240 c/w 1.2x1.6 mlf ? ( ja ) ................................ 172 c/w 1.2x1.6 mlf ? ( jc ) (3) ........................... 134 c/w electrical charact eristics v in = 5v; t a = 25 c, bold values in dicate ?40 c< t a < +8 5 c, unle ss n o ted. sy m b o l p a r a m e t e r c o n d i t i o n m i n t y p m a x units v in = 1.8v to 4.5v, i d = ?250 a 0 . 5 1 . 2 v v en_t h enable th re shold voltag e v in = 1.7v to 4.5v, i d = ?250 a 0 . 4 1 . 2 v i en enable inp u t cu rre nt v in = v en = 5.5v 2 4 a i vin off state le aka ge curren t v in = +5. 5 v , v en = 0v 1 a v in = +4. 5 v , id = ?1 00ma , v en = 1.5v 77 110 m ? v in = +3. 6 v , id = ?1 00ma , v en = 1.5v 85 115 m ? v in = +2. 5 v , id = ?1 00ma , v en = 1.5v 100 140 m ? v in = +1. 8 v , id = ?1 00ma , v en = 1.5v 145 200 m ? r ds(on) p-ch ann el drain to source on r e si st an ce sc-7 0 packa ge v in = +1. 7 v , id = ?1 00ma , v en = 1.5v 155 215 m ? v in = +4. 5 v , id = ?1 00ma , v en = 1.5v 85 115 m ? v in = +3. 6 v , id = ?1 00ma , v en = 1.5v 100 140 m ? v in = +2. 5 v , id = ?1 00ma , v en = 1.5v 145 200 m ? v in = +1. 8 v , id = ?1 00ma , v en = 1.5v 155 215 m ? r ds(on) p-ch ann el drain to source on r e si st an ce m l f pa ck age v in = +1. 7 v , id = ?1 00ma , v en = 1.5v 165 225 m ? r shut do w n t u r n -of f re si st an c e v in = +3. 6 v , i te s t = 1 m a , v en = 0v mic940 65 2 0 0 3 0 0 ? dy namic sy m b o l p a r a m e t e r c o n d i t i o n m i n t y p m a x units t on_dl y turn -o n del a y time v in = +3. 6 v , id = ?1 00ma , v en = 1.5v 80 125 170 s t on_ri se turn -o n ri se time v in = +3. 6 v , id = ?1 00ma , v en = 1.5v 75 115 150 s t off_d l y turn -off del a y time v in = +3. 6 v , id = ?1 00ma , v en = 1.5v 100 200 ns t off_f a ll turn -off fall time v in = +3. 6 v , id = ?1 00ma , v en = 1.5v 25 100 ns no tes : 1. exceeding the a b solute maximu m rating ma y da mage the device. 2. the device is not guarantee d to fu nction outside its operating ra ting. 3. with backside th er mal contact to pcb. 4. pulse w i dth <300 s w i th < 2% d u t y c y cle. 5. continuous bod y diode current co nduction (revers e conduction, i.e. v out to v in ) is not recommended. 6. devices are esd sensitive. handling precautions recommended. h b m (human bo d y model), 1. 5k in series w i th 100p f. jan u a r y 2008 3 m999 9-01 160 8
mic r el, inc . mic94 064/5 ty pical characteri stics jan u a r y 2008 4 m999 9-01 160 8
mic r el, inc . mic94 064/5 functi onal characteristics mic94064 jan u a r y 2008 5 m999 9-01 160 8
mic r el, inc . mic94 064/5 MIC94065 jan u a r y 2008 6 m999 9-01 160 8
mic r el, inc . mic94 064/5 package inform ation 6-pin sc-70 (c6) 4 - pin th in m l f ? (m t) jan u a r y 2008 7 m999 9-01 160 8
mic r el, inc . mic94 064/5 re comm ende d la nd patter n for m l f ? 1.2x1.6 4 lead optional for ma xi mum thermal pe rformance, heatsi nk should be c onnected to gnd pl ane of pcb for m a ximum therm a l performa n ce. disclaimer: this is only a recomm endation bas ed o n information ava ilable to micrel fr om its suppliers. actual land pattern ma y have to b e significantly different due to variou s materials and processes us ed in pcb assembly . micrel makes no representation o r w a rra nt y of performa n ce based on the recommended land pat tern. " jan u a r y 2008 8 m999 9-01 160 8 micrel, inc. 2180 fortune drive san jose, ca 9513 1 usa t e l + 1 (408) 9 44-0 800 f a x + 1 (408) 47 4-1 000 w eb http:// w w w . micr el.c o m the information f u rnished b y micrel in this data sh eet is belie ved to be accurate and reliable. ho w e ver, no responsibility is a ssumed by micr el for its use. micrel reserves the right to change circuitry a nd specifications at an y time w i tho u t notification to the customer. micrel products are not designed or autho ri zed for use as components in life support app liances, devices or sy stems where malfu nction of a product r e a s o n a b l y b e expected to res u lt in personal injury . life suppo rt devices or sy ste m s are devices or s y stems that (a ) are in tende d f o r s u r g i c a l i m p l a into the bod y or (b) support o r sustain life, and w h o s e failure to perf o rm can be re asonabl y e x pected to result in a significan t injury to th e user. a purchaser?s use or sale of micrel produc ts for use in life support app liances, devices or s y stems is a purchaser?s ow n risk and purchaser agre e s to full y indemnif y micrel for an y damages resulting from such use or sale. c a n n t ? 2008 micrel, in corporated.
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