vishay siliconix sip2211 document number: 73479 s-71832-rev. c, 03-sep-07 www.vishay.com 1 dual output 150/300-ma low dropout regulator features ? 2.25 v to 5.5 v input voltage range ? two outputs - 150 ma and 300 ma ? low ground current of 48 a ? low dropout voltage of 65 mv at 100 ma ? current limit ? thermal shutdown ? mlp33-10 powerpak ? package (fixed output) ? mic2211 pin for pin replacement applications ? cellular phones ? wireless modems ?pdas description sip2211 is a dual output low dropout regulator capable of supplying 150 ma from output 1 and 300 ma from output 2. the sip2211 has the outputs independently enabled. also the sip2211 offers a low dr opout, low ground current and extremely low noise with the addition of a bypass capacitor. protection features include undervoltage lockout, output current limit, and thermal shutdown. the fixed output version of sip2211 is available in a lead (pb)-free mlp33-10 powerpak package and th e adjustable version is available in a lead (pb)-free mlp44-16 powerpak package. both packages ares s pecified to operate over the range of - 40 c to 85 c. typical application circuit v out1 v out2 v in en 1 bp en 2 gnd sip2211 rohs compliant
www.vishay.com 2 document number: 73479 s-71832-rev. c, 03-sep-07 vishay siliconix sip2211 notes: a. device mounted with all leads soldered or welded to pc board. b. derate 20 mw/c above 70 c. c. derate 23.5 mw/c above 70 c. stresses beyond those listed under ?absolute maximum ratings? ma y cause permanent damage to the device. these are stress rating s only, and functional operation of the device at these or any other condit ions beyond those indicated in the operational sections of the specifications is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. absolute maximum ratings parameter limit unit v in , v en , to gnd - 0.3 to 7 v power dissipation mlp33-10 powerpak b 1600 mw mlp44-16 powerpak c 1880 storage temperature - 55 to 150 c thermal resistance (mlp10 powerpak) 50 c/w recommended operating range parameter limit unit input voltage range 2.25 to 5.5 v enable voltage range 0 to 5.5 operating temperature range t a - 40 to 85 c operating temperature range t j - 40 to 125 specifications parameter symbol test conditions unless specified v in = v out + 1 v e , c out 1 f, i out = 100 a, t a = 25 c temp a limits unit min b typ c max b regulators output voltage accuracy from nominal v out room - 1 1 % full - 2 2 output voltage temperature coefficient room 40 ppm/c line regulation e v in = v out + 1 v to 5.5 v room - 0.3 0.2 0.3 % full - 0.6 0.6 load regulation i out = 100 a to 150 ma (ldo 1 and 2) room 0.2 1.0 i out = 100 a to 300 ma (ldo 2) room 1.5 dropout voltage f v drop i out = 150 ma (ldo 1 and 2) room 120 190 mv full 250 i out = 300 ma (ldo 2) room 240 340 full 420 ground pin current i g i out1 = i out2 = 0 a room 48 65 a i out1 = i out2 = 0 a full 80 i out1 = 150 ma, i out2 = 300 ma room 60 v en < 0.4 v full 2.0 sequence time delay d t seq room 70 s output voltage noise c bp = 0.01 f 30 vrms ripple rejection f = 1 khz, c out = 1 f, c bp = 10 nf room 60 db f = 20 khz, c out = 1 f, c bp = 10 nf room 40 inputs en input voltage v il logic low full 0.6 v v ih logic high full 1.8 en input current i il v il < 0.6 v room - 1 0.01 1 a i ih v ih > 1.8 v room - 1 0.01 1
document number: 73479 s-71832-rev. c, 03-sep-07 www.vishay.com 3 vishay siliconix sip2211 notes: a. room = 25 c, full = - 40 to 85 c. b. the algebraic convention whereby the most negative value is a minimum and the most positive a maximum. c. typical values are for design aid only, no t guaranteed nor subject to production testing. d. timing is measured from 90 % of ldo #1?s final value to 90 % of ldo #2?s final value. e. for higher output of the regulator pair. f. dropout voltage is defined as the input to output differentia l voltage at which the output voltage drops 2 % below the output voltage measured with a 1 v differential, provided that v in does not drop below 2.25 v. when v out(nom) is less than 2.25 v, the output will be in regulation when 2.25 v - v out(nom) is greater than the dropout voltage specified. functional block diagram specifications parameter symbol test conditions unless specified v in = v out + 1 v e , c out 1 f, i out = 100 a, t a = 25 c temp a limits unit min b typ c max b protection current limit i il v out1 = 0 v room 150 280 460 ma v out1 = 0 v room 300 450 700 thermal shutdown temperature room 165 c thermal hysteresis room 25 v in en 1 bp v out1 v out2 gnd reference ldo #2 ldo #1 fixed voltage version en 2 v i n e n 1 bp v out1 v out2 g n d reference ldo #2 ldo #1 adj u sta b le v oltage v ersion adj 1 e n 2 adj 2
www.vishay.com 4 document number: 73479 s-71832-rev. c, 03-sep-07 vishay siliconix sip2211 pin configuration and ordering information x: output 1 voltage code z: output 2 voltage code the exposed pad on both packages must be connected externally to the gnd pin. n ce n 2 g n d s w adj 2 adj 1 bp n ce n 1 12 11 10 1 2 3 94 8 765 13 14 15 16 bottom v i e w d n g d n g c n c n v 2 t u o v 1 t u o v n i v n i 10 9 8 7 v i n e n 1 e n 2 bp v out1 v out2 n c n c top v ie w v i n e n 1 e n 2 bp v out1 v out2 n c n c bottom v ie w g n d n c 2 3 4 1 56 n c g n d 10 9 8 7 1 2 3 4 65 exposed pad powerpak mlp33-10 w i th lar g e pad voltage options voltage code (x, z) adj a 1.5 f 1.6 w 1.8 g 1.85 d 1.9 y 2.0 h 2.1 e 2.5 j 2.6 k 2.7 l 2.8 m 2.85 n 2.9 o 3.0 p 3.1 q 3.2 r 3.3 s 3.4 t 3.5 u 3.6 v ordering information part number temp range package marking sip2211dmp-xz-e3 - 40 to 85 c powerpak mlp33-10 11xz sip2211dlp-aa-e3 powerpak mlp44-16 11aa pin description pin number name function mlp33-10 mlp44-16 115, 16 v in input voltage for the power mosfets and their gate drive 21 en 1 enables ldo #1 output 6 nc no connection 32 en 2 enables ldo #2 output 4 3 bp bypass for noise reduction 4 adj 1 feedback connection for ldo #1 5 5 nc no connection 6 7, 8 gnd ground 9 gnd sw ground for the internal n-channel mosfet switch 10 adj 2 feedback connection for ldo #2 7 11 nc no connection 8 12 nc no connection 913 v out2 output of ldo #2 - 300 ma 10 14 v out1 output of ldo #1 - 150 ma
document number: 73479 s-71832-rev. c, 03-sep-07 www.vishay.com 5 vishay siliconix sip2211 typical characteristics dropout characteristics-output 1 dropout voltage-output 1 ground current vs. supply voltage 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 supply voltage (v) ) v ( t u p t u o 100 a 150 ma - 10 10 30 50 70 90 110 130 150 - 40 - 20 0 20 40 60 80 100 120 140 ) v m ( e g a t l o v t u o p o r d 150 ma load temperature (c) 0 10 20 30 40 50 60 0123456 supply voltage (v) (a) t n e r r u c d n u o r g output 1 and 2 with 100 a load dropout characteristics-output 2 dropout voltage-output 2 ground current vs. output 1 current 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 ) v ( t u p t u o supply voltage (v) 100 a 300 ma v t u o p o r d) v m ( e g a t l o 0 50 100 150 200 250 300 350 - 40 - 20 0 20 40 60 80 100 120 140 temperature (c) 300 ma load 0 10 20 30 40 50 60 0 20 40 60 80 100 120 140 output 1 load current (ma) (a) t n e r r u c d n u o r g
www.vishay.com 6 document number: 73479 s-71832-rev. c, 03-sep-07 vishay siliconix sip2211 typical characteristics ground current vs. output 2 current output voltage vs. load current-output 1 output voltage 1 vs. temperature 0 10 20 30 40 50 60 0 50 100 150 200 250 300 output 2 load current (ma) (a) t n e r r u c d n u o r g 2.780 2.785 2.790 2.795 2.800 2.805 2.810 2.815 2.820 0 255075100125150 output 1 load current (ma) ) v ( e g a t l o v t u p t u o 2.760 2.770 2.780 2.790 2.800 2.810 2.820 2.830 2.840 - 40 - 20 0 20 40 60 80 100 120 140 temperature (c) 100 a load ) v ( e g a t l o v t u p t u o ground pin current output voltage vs. lo ad current-output 2 output voltage 2 vs. temperature 0 10 20 30 40 50 60 - 40 - 20 0 20 40 60 80 100 120 140 160 load on both outputs temperature (c) (a) t n e r r u c n i p d n u o r g 100 a 0 a 1 ma 3.585 3.590 3.595 3.600 3.605 3.610 3.615 0 50 100 150 200 250 300 ) v ( e g a t l o v t u p t u o output 2 load current (ma) 3.55 3.56 3.57 3.58 3.59 3.60 3.61 3.62 3.63 3.64 3.65 - 40 - 20 0 20 40 60 80 100 120 140 temperature (c) ) v ( e g a t l o v t u p t u o 100 a load
document number: 73479 s-71832-rev. c, 03-sep-07 www.vishay.com 7 vishay siliconix sip2211 typical characteristics enable voltage threshold vs. supply voltage noise spectrum output 2 load transient response ldo #1 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 2.25 2.75 3.25 3.75 4.25 4.75 5.25 5.75 supply voltage (v) ) v ( d l o h s e r h t e l b a n e i out1 100 ma/div c in = 1 f c out = 1 f c bp = 0.01 f v in = 5 v 150 ma v out2 50 mv/div v out1 50 mv/div 5 s/div noise spectrum output 1 enable sequence load transient response ldo #2 en 1,2 2 v/div v out2 1 v/div v out1 1 v/div c in = 1 f c out = 1 f c bp = 0.01 f v in = 5 v 100 s/div c in = 1 f c out = 1 f c bp = 0.01 f v in = 5 v i out1 200 ma/div v out1 50 mv/div v out2 50 mv/div 300 ma 5 s/div
www.vishay.com 8 document number: 73479 s-71832-rev. c, 03-sep-07 vishay siliconix sip2211 detailed operation the sip2211 is a low drop out, low quiescent current monolithic dual linear regulator, with power-on reset and open drain driver output featur es. with output voltage range from 1.25 v to 5 v the first regulator can source 150 ma and the second regulator can source 300 ma. the open drain driver has the capability to drive led?s for backlighting applications. v in v in is the input supply pin for both ldo?s. the bypass capacitor for this pin is not critical as long as the input supply has low enough source impedance. for practical circuits, a 1.0 f or larger ceramic capacitor is recommended. when the source impedance is not low enough and/or the source is several inches from the sip2211, then a larger input bypass capacitor is needed. when the source impedance, wire and trace impedance are unknown, it is recommended that an input bypass capacitor be used of a value that is equal to or greater than the output capacitor. v out1,2 (ldo outputs) the v out is the output voltage of the regulator. connect a bypass capacitor from v outx to ground. t he output capacitor can be any value from 1.0 f to 10.0 f. a ceramic capacitor with x5r or x7r dielectric type is recommended for best output noise, line transient, and load transient performance. enable the en1 and en2 pins control the turning on and off of their respective regulators in the sip2211. v out of both outputs are guaranteed to be on when the enable pin voltage is equal or greater than 1.8 v. v out is guaranteed to be off when the enable pin voltage equals or is less than 0.6 v. to automatically turn on v out whenever the input is applied, tie the enable pin to v in . bypass capacitor for low noise application and/or increase in power supply rejection ration (psrr) connect a high frequency ceramic capacitor from bp to ground. a 0.01 f x5r or x7r ceramic capacitor is recommended. vishay siliconix maintains worldwide manufacturing capability. products may be manufactured at one of several qualified locatio ns. reliability data for silicon technology and package reliability represent a composite of all qualified locations. for related documents such as package/tape drawings, part marking, and reliability data, see http://www.vishay.com/ppg?73479 .
document number: 91000 www.vishay.com revision: 18-jul-08 1 disclaimer legal disclaimer notice vishay all product specifications and data are subject to change without notice. vishay intertechnology, inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, ?vishay?), disclaim any and all liability fo r any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. vishay disclaims any and all li ability arising out of the use or application of any product describ ed herein or of any information provided herein to the maximum extent permit ted by law. the product specifications do not expand or otherwise modify vishay?s terms and conditions of purcha se, including but not limited to the warranty expressed therein, which apply to these products. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of vishay. the products shown herein are not designed for use in medi cal, life-saving, or life-sustaining applications unless otherwise expressly indicated. customers using or selling vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify vishay for any damages arising or resulting from such use or sale. please contact authorized vishay personnel to obtain written terms and conditions regarding products designed for such applications. product names and markings noted herein may be trademarks of their respective owners.
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