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da9124.009 11 january 2005 1 ( 14 ) mas9124 150 ma ldo voltage regulator ic ? low noise: 20 vrms ? low minimum output capacitance requirement: 0.23 f ? excellent ripple rejection: 65 db ? very low dropout: 70 mv ? regulator enable/disable control ? stable with low-esr output capacitors description mas9124 is a low dropout voltage regulator with very low output noise, high psrr and small output capacitance requirement. due to the low noise level of only 20 vrms, mas9124 is suitable for sensitive circuits, e.g., in rf applications. in addition to the noise levels, mas9124 excels in dropout voltage (70 mv typical at 50 ma) and rise time (16 s typical without bypass capacitor). also its ripple rejection ability of 65 db at 10 khz exceeds t hat of competition. the equivalent series resistance (esr) range of output capacitors that can be used with mas9124 is very wide. this esr range from a few m ? up to a couple of ohms combined with no minimum output current requirement makes the usage of mas9124 easier and low in cost. mas9124 features an enable/disable pin, which allows device to be turned off or on by pulling control to low or high. in order to save power the device goes into sleep mode when the regulator is disabled. mas9124 also includes an auto-discharge function, wherein a shutdown transistor turns on and discharges the output capacitor, when mas9124 is turned off. an internal thermal protection circuit prevents the device from overheating. also the maximum output current is internally limited. features applications ? low noise ? functionally and pin compatible with lp2985/lp3985 ? can be used w/o c bypass , see p. 6 ? auto-discharge function ? internal thermal shutdown ? short circuit protection ? small sot23-5 or thin tsot-5 package ? several output voltage options available, see ordering information p. 12 ? mobile phones ? wlan chipsets ? cordless phones ? accessories ? pagers ? battery powered systems ? portable systems ? radio control systems ? low voltage systems
da9124.009 11 january 2005 2 ( 14 ) pin configuration sot23-5/tsot-5 top view 1 2 3 5 vi n vou t ct r l gn d bypa ss 24 ax 4 for top marking information see ordering information p. 12 pin description pin name pin number in sot23-5 / tsot-5 ty pe function vin 1 p power supply voltage g n d 2 g g r o u n d ctrl 3 i enable/disable pin for regulator bypass 4 i pin for bypass capacitor v o u t 5 o o u t p u t block diagram ct rl vin vo u t gnd o v e r curr e nt / o v er t e m p er a t u r e pro t e c t i o n vo l t a g e re f e re nc e + by pa ss 16 0k ? s hut - do w n
da9124.009 11 january 2005 3 ( 14 ) absolute maximum ratings all voltages with respect to ground parameter symbol conditions min max unit supply voltage v in -0.3 6 v voltage range for all pins -0.3 v in + 0.3 v esd rating hbm 2 kv junction temperature t jmax +175 (limited) c storage temperature t s -55 +150 c stresses beyond those listed may cause permanent damage to the dev ice. the device may not operate under these conditions, but i t will not be destroyed. recommended operating conditions all voltages with respect to ground parameter symbol conditions min max unit operating junction temperature -40 +125 c operating ambient temperature t a -40 +85 c v out(nom) < 2.2 v 2.5 v out(nom) 2.2 v v out(nom) + 0.3 5.3 operating supply voltage v in v out(nom) = 5 v v out(nom) + 0.3 5.8 v electrical characteristics ? thermal protection t a = -40c to +85c, typical values at t a = +27c, v in = v out(nom) + 1.0 v (or min 3.8 v), i out = 1.0 ma, c in = 1.0 f, c l = 1.0 f, c bypass = 10 nf, v ctrl = v in , unless otherwise specified parameter symbol conditions min typ max unit threshold high t h 145 160 175 c threshold low t l 135 150 165 c the hysteresis of 10c prevents the device from turning on too soon after thermal shut-down. ? control terminal specifications t a = -40c to +85c, typical values at t a = +27c, v in = v out(nom) + 1.0 v (or min 3.8 v), i out = 1.0 ma, c in = 1.0 f, c l = 1.0 f, c bypass = 10 nf, v ctrl = v in , unless otherwise specified parameter symbol conditions min typ max unit control voltage off state (note 1) on state v ctrl 0.3 1.6 0.55 v in + 0.3 v control current i ctrl v ctrl = v in v ctrl = 0 v 5 0 0.9 a if ctrl-pin is not connected, mas9124 is in off state (900 k ? pull-down resistor to ground). note 1: if v out(nom) = 5 v, the device should always be in the on state.
da9124.009 11 january 2005 4 ( 14 ) ? voltage parameters t a = -40c to +85c, ty pical values at t a = +27c, v in = v out ( nom ) + 1.0 v (or min 3.8 v), i out = 1.0 ma, c in = 1.0 f, c l = 1.0 f, c by pass = 10 nf, v ct rl = v in , unless otherw i se specified p a r a m e t e r s y m b o l c o n d i t i o n s m i n ty p m a x u n i t v out ( nom ) 3.3 v i out = 0 ma i out = 150 ma v out ( nom ) 0.05 v out ( nom ) 0.10 v out ( nom ) + 0.05 v out ( nom ) + 0.05 output voltage tolerance v out v out ( nom ) > 3.3 v i out = 0 ma i out = 150 ma v out ( nom ) 0.10 v out ( nom ) 0.10 v out ( nom ) + 0.10 v out ( nom ) + 0.10 v dropout voltage v drop i out = 1 ma i out = 50 ma i out = 150 ma mas9124a4 (150 ma) mas9124a5 (150 ma) 1.7 70 200 320 800 1100 mv ? current parameters t a = -40c to +85c, ty pical values at t a = +27c, v in = v out ( nom ) + 1.0 v (or min 3.8 v), i out = 1.0 ma, c in = 1.0 f, c l = 1.0 f, c by pass = 10 nf, v ct rl = v in , unless otherw i se specified p a r a m e t e r s y m b o l c o n d i t i o n s m i n ty p m a x u n i t continuous output current i out 0 1 5 0 m a short circuit current i ma x r l = 0 ? 2 0 0 4 5 0 6 7 5 m a peak output current i pk v out > 95%* v out (nom ) 4 1 0 m a ground pin current i gnd i out = 0 ma i out = 10 ma i out = 50 ma i out = 150 ma 120 130 160 220 200 400 a ground pin current, sleep mode i gnd v ct rl = 0 v 0.01 5 a ? pow e r dissipation t a = -40c to +85c, ty pical values at t a = +27c, v in = v out ( nom ) + 1.0 v (or min 3.8 v), i out = 1.0 ma, c in = 1.0 f, c l = 1.0 f, c by pass = 10 nf, v ct rl = v in , unless otherw i se specified p a r a m e t e r s y m b o l c o n d i t i o n s m i n ty p m a x u n i t junction to ambient thermal resistance r ja thermal test board according to jesd51-7 (4 lay e rs), sot23-5 package tsot-5 package 191 207 c / w maximum power dissipation p d any ambient temperature ja a (max) j max d r t t p w note 1 note 1 : t j(m a x) denotes maximum operating junc tion temperature (+125c), t a ambient temperature, and r ja junction-to-air thermal resistance specified above. see also application information p. 7.
da9124.009 11 january 2005 5 ( 14 ) ? line and load regulation t a = -40c to +85c, ty pical values at t a = +27c, v in = v out ( nom ) + 1.0 v (or min 3.8 v), i out = 1.0 ma, c in = 1.0 f, c l = 1.0 f, c by pass = 10 nf, v ct rl = v in , unless otherw i se specified p a r a m e t e r s y m b o l c o n d i t i o n s m i n ty p m a x u n i t line regulation v out ( nom ) + 1 v < v in < 5.3 v, i out = 60 ma 0 . 7 m v load regulation i out = 1 ma to 50 ma i out = 1 ma to 150 ma 5 10 mv ? noise and ripple rejection t a = -40c to +85c, ty pical values at t a = +27c, v in = v out ( nom ) + 1.0 v (or min 3.8 v), i out = 1.0 ma, c in = 1.0 f, c l = 1.0 f, c by pass = 10 nf, v ct rl = v in , unless otherw i se specified p a r a m e t e r s y m b o l c o n d i t i o n s m i n ty p m a x u n i t output noise voltage v rm s 300hz < f < 50 khz c by pass = 10 nf w/o c by pass 20 110 v r m s noise density v n i out = 50 ma, f = 1 khz 1 0 0 hz nv p s rr f = 1 khz f = 10 khz f = 100 khz 6 7 65 48 d b ? d y namic paramet e rs t a = -40c to +85c, ty pical values at t a = +27c, v in = v out ( nom ) + 1.0 v (or min 3.8 v), i out = 1.0 ma, c in = 1.0 f, c l = 1.0 f, c by pass = 10 nf, v ct rl = v in , unless otherw i se specified p a r a m e t e r s y m b o l c o n d i t i o n s m i n ty p m a x u n i t rise time (10%?90%) v ct rl = 0 to 2.4 v, i out = 30ma c by pass = 10 nf w/o c by pass 4 16 ms s o v e r s h o o t v ct rl = 0 to 2.4 v, w/o c by pass 3 1 0 % start-up delay v ct rl to v out , w/o c by pass (see figure 1 below) 1 7 s ctrl vo u t 50 % de lay ris e t i m e 90 % 10 % ov e r s h o o t figure1. definitions of rise time, overshoot and start-up delay
da9124.009 11 january 2005 6 ( 14 ) application information ct rl vi n vo u t o v e r cu rr e n t / o v er t e m p er a t u r e p r ot e c t i on vo l t a g e r e f e re nc e + c by pa ss 16 0 k ? c in c l gn d bypa ss 1 2 3 4 5 p a r a m e t e r sy m b o l m i n m a x u n i t n o t e output capacitance effective series resistance c l esr 0.23 0.01 3 f ohm 1. the selected capacitor has to meet the minimum capacitance requirement in all operating conditions. 2. ceramic and film capacitors can be used. 3. the value of c l should be smaller than or equal to the value of c in . 1. when within this range, stable with all i out = 0 ma?150 ma values. bypass capacitance (optional: if c by pass is not used, noise performance declines, but rise time is improved.) c by pass typically 0.01 f 1. cera mic and film capacitors are best suited. for maximum output voltage accuracy dc leakage current through capacitor should be kept as low as possible. in any case dc leakage current must be below 100 na. input capacitance c in 0.5 f 1. a big enough input capacitance is needed to prevent possible impedance interactions between the supply and mas9124. 2. ceramic, tantalum, and film capacitors can be used. if a tantalum capacitor is used, it should be checked that the surge current rating is sufficient for the application. 3. in the case that the inductance between a battery and mas9124 is very small (< 0.1 h), a 0.47 f input capacitor is sufficient. 4. the value of c in should not be smaller than the value of c l . control voltage for v out ( nom ) = 5 v versions v ct rl 1 . 6 v in + 0.3 v 1. the device should always be in the on state if v out ( nom ) = 5 v . values given on the table are minimum requi rements unless otherw i se specified. when se lecting capacitors, tolerance and tempera ture coefficient must be considered to make sure that the requirement is met in all operating conditions.
da9124.009 11 january 2005 7 ( 14 ) application information ? auto-discharge function mas9124 has a shutdown transistor that turns on, when the device is disabled, and discharges the output capacitor. ? calculating maximum pow e r dissipation maximum power dissipation of the package may limit output current or input voltage, which can be used, especially with the combination of low output voltage and high input voltage. the power dissipation can be calculated by using the formula: () gnd in out out in d i * v i * v v p + ? = it shall not exceed the maximum power dissipation, allowed by the package: ja a jmax dmax r t t p ? = where t jm ax is maximum junction temperature (t jm ax = 125c), t a is ambient temperature and r ja is junction-to-ambient thermal resistance of the package. when assumed that: t a = +55c, v out = 1.5 v, v in = 5.0 v and used package is sot23-5 the equation yields: w 0.366 c/w 191 c 55 c 125 p dmax = ? = from which can be calculated: ma 105 v v p i out in dmax outmax = ? = v in * i gnd is negligible and can be omitted. consequently, it can be seen that under these conditions the average out put current should not exceed 105 ma.
da9124.009 11 january 2005 8 ( 14 ) package (sot23-5) outline dat u m ' a ' a c l c l c l 0 - 10 de gr ees 0. 20 2 l e1 be c l e e1 d a2 a1 not e : 1. a ll dime ns i o ns a r e in m i lli m e t e rs 2 . f o o t l e n g h t meas u r ed a t in t e r c e pt p o i n t bet w een d a t u m a & le ad su r f ac e. 3 . pa c k ag e o u t l i n e e x c l u s iv e o f m o l d f l ash & me t a l b u r r 4 . pa c k ag e o u t l i n e i n c l u s i v e o f so l d er p l at i n g . 5. c o m p ly t o e i a j s c 74 sy m b o l m i n m a x u n i t a 0 . 9 0 1 . 4 5 m m a 1 0 . 0 0 0 . 1 5 m m a 2 0 . 9 0 1 . 3 0 m m b 0 . 2 5 0 . 5 0 m m c 0 . 0 9 0 . 2 0 m m d 2 . 8 0 3 . 1 0 m m e 2 . 6 0 3 . 0 0 m m e 1 1 . 5 0 1 . 7 5 m m l 0 . 3 5 0 . 5 5 m m e 0 . 9 5 r e f m m e 1 1 . 9 0 r e f m m
da9124.009 11 january 2005 9 ( 14 ) package (tsot-5) outline l2 ga ug e p l a n e a c l c l c l l e1 be c l e e1 d a2 a1 c 1) packa g e o u t l i n e d i m e nsi o ns i n clus i v e o f met a l b u rr & so l d e r pl at ing 2 ) packa g e o u t l i n e excl u si ve o f mo ld fl a s h 3 ) a l l s p e c i f ic a t ion s c o mp l y t o j e d e c m o 193 4 ) q ref e r s t o a l l pa ckag e d r af t ang l es sy m b o l m i n n o m m a x u n i t a - - - - 1 . 0 0 m m a 1 0 . 0 1 0 . 0 5 0 . 1 0 m m a 2 0 . 8 4 0 . 8 7 0 . 9 0 m m b 0 . 3 0 - - 0 . 4 5 m m c 0 . 1 2 0 . 1 2 7 0 . 2 0 m m d 2 . 9 0 b s c m m e 2 . 8 0 b s c m m e 1 1 . 6 0 b s c m m e 0 . 9 5 b s c m m e 1 1 . 9 0 b s c m m l 0 . 3 0 0 . 4 0 0 . 5 0 m m l 2 0 . 2 5 b s c m m q 4 1 0 1 2
da9124.009 11 january 2005 10 ( 14 ) soldering information x for eutectic sn/pb sot23-5 resistance to soldering heat according to rsh test iec 68-2-58/20 2*220 c maximum temperature 240 c maximum number of reflow cycles 3 reflow profile thermal profile param eters stated in jesd22-a113 should not be exceeded. http://www.jedec.org seating plane co-planarity max 0.08 mm lead finish solder plate 7.62 - 25.4 m, material sn 85% pb 15% x for lead-free tsot-5 and lead-free, rohs compliant tsot-5 resistance to soldering heat acco rding to rsh test iec 68-2-58/20 maximum temperature 260 c maximum number of reflow cycles 3 reflow profile thermal profile param eters stated in ip c/jedec j-std-020 should not be exceeded. http://www.jedec.org seating plane co-planarity max 0.08 mm lead finish solder plate 7.62 - 25.4 m, material matte tin
da9124.009 11 january 2005 11 ( 14 ) tape & reel specifications (sot23-5/tsot-5) a b d w3 w2 c w1 n fe e d i n g d i r e c t i o n 8 m m 4 m m other dimensions according to eia-481 standard. 3000 components on each reel. d i m e n s i o n m i n m a x u n i t a 1 7 8 m m b 1 . 5 m m c 1 2 . 8 0 1 3 . 5 0 m m d 2 0 . 2 m m n 5 0 m m w 1 (measured at hub) 8.4 9.9 mm w 2 (measured at hub) 14.4 mm w 3 (includes flange distortion at outer edge) 7.9 10.9 mm t r a i l e r 1 6 0 m m l e a d e r 3 9 0 , of which minimum 160 mm of empty carrier tape sealed with cover tape m m
da9124.009 11 january 2005 12 ( 14 ) ordering information product code output voltage top marking package comments mas9124ast5-t 1.50 v 24a5 sot23-5 tape and reel mas9124a5gb06 1.50 v 24a5 (b in the bottom marking to indicate lead-free) tsot-5 lead-free tape and reel mas9124a5gc06 1.50 v 24a5 (g in the bottom marking to indicate lead-free, rohs compliant) tsot-5 lead-free, rohs compliant tape and reel mas9124ast4-t 1.80 v 24a4 sot23-5 tape and reel mas9124a4gb06 1.80 v 24a4 (b in the bottom marking to indicate lead-free) tsot-5 lead-free tape and reel mas9124a4gc06 1.80 v 24a4 (g in the bottom marking to indicate lead-free, rohs compliant) tsot-5 lead-free, rohs compliant tape and reel mas9124astu-t 2.00 v 24au sot23-5 tape and reel mas9124augb06 2.00 v 24au (b in the bottom marking to indicate lead-free) tsot-5 lead-free tape and reel mas9124augc06 2.00 v 24au (g in the bottom marking to indicate lead-free, rohs compliant) tsot-5 lead-free, rohs compliant tape and reel mas9124asta-t 2.30 v 24aa sot23-5 tape and reel mas9124aagb06 2.30 v 24aa (b in the bottom marking to indicate lead-free) tsot-5 lead-free tape and reel mas9124aagc06 2.30 v 24aa (g in the bottom marking to indicate lead-free, rohs compliant) tsot-5 lead-free, rohs compliant tape and reel mas9124astb-t 2.40 v 24ab sot23-5 tape and reel mas9124abgb06 2.40 v 24ab (b in the bottom marking to indicate lead-free) tsot-5 lead-free tape and reel mas9124abgc06 2.40 v 24ab (g in the bottom marking to indicate lead-free, rohs compliant) tsot-5 lead-free, rohs compliant tape and reel mas9124ast3-t 2.50 v 24a3 sot23-5 tape and reel mas9124a3gb06 2.50 v 24a3 (b in the bottom marking to indicate lead-free) tsot-5 lead-free tape and reel mas9124a3gc06 2.50 v 24a3 (g in the bottom marking to indicate lead-free, rohs compliant) tsot-5 lead-free, rohs compliant tape and reel mas9124astc-t 2.60 v 24ac sot23-5 tape and reel mas9124acgb06 2.60 v 24ac (b in the bottom marking to indicate lead-free) tsot-5 lead-free tape and reel
da9124.009 11 january 2005 13 ( 14 ) mas9124acgc06 2.60 v 24ac (g in the bottom marking to indicate lead-free, rohs compliant) tsot-5 lead-free, rohs compliant tape and reel mas9124ast9-t 2.70 v 24a9 sot23-5 tape and reel mas9124a9gb06 2.70 v 24a9 (b in the bottom marking to indicate lead-free) tsot-5 lead-free tape and reel mas9124a9gc06 2.70 v 24a9 (g in the bottom marking to indicate lead-free, rohs compliant) tsot-5 lead-free, rohs compliant tape and reel mas9124ast2-t 2.80 v 24a2 sot23-5 tape and reel mas9124a2gb06 2.80 v 24a2 (b in the bottom marking to indicate lead-free) tsot-5 lead-free tape and reel mas9124a2gc06 2.80 v 24a2 (g in the bottom marking to indicate lead-free, rohs compliant) tsot-5 lead-free, rohs compliant tape and reel mas9124ast8-t 2.86 v 24a8 sot23-5 tape and reel mas9124a8gb06 2.86 v 24a8 (b in the bottom marking to indicate lead-free) tsot-5 lead-free tape and reel mas9124a8gc06 2.86 v 24a8 (g in the bottom marking to indicate lead-free, rohs compliant) tsot-5 lead-free, rohs compliant tape and reel mas9124ast7-t 2.90 v 24a7 sot23-5 tape and reel mas9124a7gb06 2.90 v 24a7 (b in the bottom marking to indicate lead-free) tsot-5 lead-free tape and reel mas9124a7gc06 2.90 v 24a7 (g in the bottom marking to indicate lead-free, rohs compliant) tsot-5 lead-free, rohs compliant tape and reel mas9124ast6-t 3.00 v 24a6 sot23-5 tape and reel mas9124a6gb06 3.00 v 24a6 (b in the bottom marking to indicate lead-free) tsot-5 lead-free tape and reel MAS9124A6GC06 3.00 v 24a6 (g in the bottom marking to indicate lead-free, rohs compliant) tsot-5 lead-free, rohs compliant tape and reel mas9124astd-t 3.10 v 24ad sot23-5 tape and reel mas9124adgb06 3.10 v 24ad (b in the bottom marking to indicate lead-free) tsot-5 lead-free tape and reel mas9124adgc06 3.10 v 24ad (g in the bottom marking to indicate lead-free, rohs compliant) tsot-5 lead-free, rohs compliant tape and reel mas9124ast1-t 3.30 v 24a1 sot23-5 tape and reel mas9124a1gb06 3.30 v 24a1 (b in the bottom marking to indicate lead-free) tsot-5 lead-free tape and reel mas9124a1gc06 3.30 v 24a1 (g in the bottom marking to indicate lead-free, rohs compliant) tsot-5 lead-free, rohs compliant tape and reel
da9124.009 11 january 2005 14 ( 14 ) mas9124astv-t 3.60 v 24av sot23-5 tape and reel mas9124avgb06 3.60 v 24av (b in the bottom marking to indicate lead-free) tsot-5 lead-free tape and reel mas9124avgc06 3.60 v 24av (g in the bottom marking to indicate lead-free, rohs compliant) tsot-5 lead-free, rohs compliant tape and reel mas9124astf-t 4.00 v 24af sot23-5 tape and reel mas9124afgb06 4.00 v 24af (b in the bottom marking to indicate lead-free) tsot-5 lead-free tape and reel mas9124afgc06 4.00 v 24af (g in the bottom marking to indicate lead-free, rohs compliant) tsot-5 lead-free, rohs compliant tape and reel mas9124astg-t 5.00 v 24ag sot23-5 tape and reel mas9124aggb06 5.00 v 24ag (b in the bottom marking to indicate lead-free) tsot-5 lead-free tape and reel mas9124aggc06 5.00 v 24ag (g in the bottom marking to indicate lead-free, rohs compliant) tsot-5 lead-free, rohs compliant tape and reel for more voltage options cont act micro analog systems oy. offered in north america by evox rifa, inc . 300 tri-state international, suite 375 lincolnshire, il 60069 usa tel: 1 847 948 9511 fax: 1 847 948 9320 email: service@evoxrifa.com web: http://www.evoxrifa.com/n_america micro analog systems oy contacts micro analog systems oy kamreerintie 2, p.o.box 51 fin-02771 espoo, finland tel. +358 9 80 521 fax +358 9 805 3213 http://www.mas-oy .com notice micro analog sy stems oy reserves the right to make changes to the products contained in this data sheet in order to improve the design or performance and to supply the best possible pr oducts. micro analog sy stems o y assumes no responsibility for the use of any circ uits show n in this data sheet, convey s no license under any patent or other rights unless otherw i se specified in this data sheet, and make s no claim that the circuits are free from patent infringem ent. applications for any devices show n in this data sheet are for illustration only and micro analog sy stems o y makes no claim or w a rranty that such applications w ill be suitable for the use specified w i thout further testing or modification.

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