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| www.siliconstandard.com 1 of 9 ss6532 500ma dual linear regulator with v aux driver features continuous 3.3v output from three inputs complete power management solution v cc , v sby regulator supplies 500ma output built-in hysteresis when selecting input supplies drive control signal for external v aux switch output can be forced higher than input (off-state) applications desktop computers pci adapter cards with wake-on-lan network interface cards (nics) multi-power systems systems with standby capabilities description the ss6532 is a dual-input regulator with v aux drive control capable of delivering 3.3v/500ma continuously. the output power is provided from three independent input voltage sources on a prioritized basis. power is always taken in priority using the following order: v cc , v sby , and v aux . the ss6532 meets intel's "instantly available" power requirements which follow the acpi "advanced configuration and power interface" standards. when either v cc or v sby is present, the device automatically enables the regulator and produces a stable 3.3v output. when only v aux (3.3v) is present, the drive control output will turn on an external p-mosfet switch from an auxiliary 3.3v supply v aux to maintain v out . the ic also prevents excessive current from flowing back from v out to either input or ground when the output voltage is greater than the input voltage. all the control circuitry needed to provide a a smooth and automatic transition between all three supplies has been incorporated. this allows both vcc and vsby to be dynamically switched without loss of output voltage. re v . 2.02 3/21/2004
www.siliconstandard.com 2 of 9 typical application circuit ss6532 v sby 5v v cc 5v 3.3v/500ma v aux 3.3v dual-input regulator with auxiliary driver ordering information pin configuration ss6532cxxx packing type tr: tape and reel tb: tubes package type n: pdip-8 s: small outline example: ss6532cstr $ in so-8 package on tape and reel. (cn/pdip-8 is only available in tubes) absolute maximum ratings ; < "< => "? =3 ss6532 re v . 2.02 3/21/2004 www.siliconstandard.com 3 of 9 electrical characteristics (v in =5v, t a =25c, unless otherwise specified) parameters conditions min. typ. max. units - @ @ 3 = a a< = a 4 & ' & b @ c < < 4 < ? & '& @ c < < 4 < ? #$ & a a 3 (10 (10 a a a a d- a a a a 3 3 & a a 3 # &- ; < '(-$ '(#'$ '(1'$ s '( a3 a ? 4 ss6532 re v . 2.02 3/21/2004 www.siliconstandard.com 4 of 9 typical performance characteristics ! " # " ss6532 re v . 2.02 3/21/2004 www.siliconstandard.com 5 of 9 typical performance characteristics (contd.) $ % ss6532 re v . 2.02 3/21/2004 www.siliconstandard.com 6 of 9 typical performance characteristics (contd.) & '( ( ) * block diagram pin description 23e !f"-+$ $(. / + 2 8%0" "1 29- -+$&+ && -&$ && -+- 24e "$ $(. / 2 e g" - ( %$ . / (& -&& 2 2 ">ed2'" 2(& ( ss6532 re v . 2.02 3/21/2004 www.siliconstandard.com 7 of 9 applications information & & &+- : e 1' & - + & ' 0(+& & & (-- & && ( -& & & $ & 1' 3 ,& & & -- & &:-+& + & &&-& &&-+$ $ -&& 3 , & &-&& --&& & &&+ &-& - -&:&$ 3 , & -- the ss6532 is housed in a thermally &- &0d2' . >/ -- d$ 0(+&" --(& - $$ -"&&+- (- % ss6532 $ * - > % / . / . = ? = ? = * &+$-(& & + -+ 5% c< > > 3? = ? ? %-(&--+"-- -&&+- - - 0 &--& 0 $ &+ d2' d2' -+ ++$--( - d2' -+3:& & the layout of the ss6532 is shown in fig.19. in , 43 & ; ? 5% ss6532- -+"--!---&-" &+ fig.19 the layout for the ss6532. ss6532 re v . 2.02 3/21/2004 www.siliconstandard.com 8 of 9 !" #$ # % " , 4 - - ( + ; ? 5% &-" &+ ss6631 ! " ss6532 # ssm2301n , 43 g &( &- $ ss6532 ss6845 ! , 44 g 5'&( & - $ ss6532 re v . 2.02 3/21/2004 www.siliconstandard.com 9 of 9 ss6532 in formation furnished by silicon standard corporation is believed to be accurate and reliable. however, silicon standard corporation makes no guarantee or warranty, expre ss or implied, as to the reliability, accuracy, timeliness or completeness of such information and assumes no responsibility for its use, or for infringement of any patent or other intellectual property rights of third parties that may result from its use. silicon standard reserves the right to make changes as it deems necessary to any products described herein for any reason, including without limitation enhancement in reliability, functionality or design. no license is granted, whether expressly or by im plication, in relation to the use of any products described herein or to the use of any information provided herein, under any patent or other intellectual property rights of silicon standard corporation or any third parties. physical dimensions 8-lead plastic so (units: mm) f! 1 2 h 3 3 ; 3 3 4 ! 3 3c 4 '< > ) > < 3 4;.f/ # > ? 4 1 < 3 4; 8-lead plastic dip (units: mm) f! 1 2 h 3 >3i 44 c4< c? + ? 4 ? 'c 33 3? ); ?4> 4? )3? c; 34 4 <.f/ ! i3 c4 14 c4 >3 ss6532 re v . 2.02 3/21/2004 |
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