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vishay siliconix sip2214 document number: 73191 s09-1454-rev. e, 03-aug-09 www.vishay.com 1 dual output low dropout regulator features ? 2.25 v to 5.5 v input voltage range ? two outputs - 150 ma and 300 ma ? low ground current ? open drain driver output ? por ? current limit ? thermal shutdown ? mlp33-10 and mlp44-16 powerpak ? packages applications ? cellular phones ? wireless modems ?pdas description the sip2214 is a dual output low dropout regulator capable of supplying 150 ma from outp ut 1 and 300 ma from output 2. in addition to the ldos, an open drain output has been included, which is capable of sinking 150 ma. the sip2214 offers a low dropout, low ground current and extremely low noise with the addition of a bypass capacitor. protection features include por with adjustable delay, undervoltage lockout, output current limit, and thermal shutdown. the fixed output version of sip2214 is available in the mlp33-10 powerpak package and the adjustable version is available in the mlp44-16 powerpak package. both packages are specified to operate over the range of - 40 c to 85 c. typical application circuit v out1 v out2 por drv v in en bp sw set gnd sip2214 v out1 v out2 por v in en sw gnd
www.vishay.com 2 document number: 73191 s09-1454-rev. e, 03-aug-09 vishay siliconix sip2214 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 mlp33-10 powerpak a 50 c/w mlp44-16 powerpak a 43 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 f , 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 f 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 g 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 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, sw input voltage v il logic low full 0.6 v v ih logic high full 1.8 en, sw 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 set pin threshold voltage v th (set) por = high room 1.25 v set pin current source v set = 0 v room 0.75 1.25 1.75 a
document number: 73191 s09-1454-rev. e, 03-aug-09 www.vishay.com 3 vishay siliconix sip2214 notes: a. room = 25 c, full = - 40 c to 85 c. b. the algebraic convention whereby the most negative va lue is a minimum and the most positive a maximum. c. typical values are for design aid only, not guaranteed nor subject to production testing. d. timing is measured from 90 % of ldo #1?s fi nal value to 90 % of ldo #2?s final value. e. guaranteed by design. f. for higher output of the regulator pair. g. dropout voltage is defined as the input to output differential 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 out put will be in regulation when 2.25 v - v out(nom) is greater than the dropout voltage specified. specifications parameter symbol test conditions unless specified v in = v out + 1 v f , c out = 1 f, i out = 100 a, t a = 25 c temp. a limits unit min. b typ. c max. b power on reset (por) output threshold v thl % of nominal v out2 room 90 % v thh room 96 output voltage v ol i l = 250 a room 0.02 0.1 v leakage current i por por = high room - 1 0.01 1 a driver (drv) output output voltage v ol i l = 150 ma full 0.2 0.6 v leakage current i drv = 0 ma, v drv = 5.5 v, sw = 0 v room - 1 0.01 1 a protection current limit i il v out1 = 0 v room 150 280 460 ma v out2 = 0 v room 300 450 700 thermal shutdown temperature room 165 c thermal hysteresis room 25
www.vishay.com 4 document number: 73191 s09-1454-rev. e, 03-aug-09 vishay siliconix sip2214 functional block diagram v in en bp sw v out1 v out2 por drv gnd reference ldo #2 por dly ldo #1 sw logic set gnd sw fixed voltage version v in en 1 bp sw v out1 v out2 por drv gnd reference ldo #2 por dly ldo #1 sw logic set gnd sw adjustable v oltage v ersion adj 1 en 2 adj 2
document number: 73191 s09-1454-rev. e, 03-aug-09 www.vishay.com 5 vishay siliconix sip2214 pin configurations 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. 10 9 8 7 v in en bp sw v out1 v out2 por drv top view v in en 1 en 2 bp v out1 v out2 err drv bottom view set 2 3 4 1 56 sw gnd gnd 10 9 8 7 1 2 3 4 65 exposed pad powerpak mlp33-10 with large pad drv en 2 gnd sw adj 2 adj 1 bp por en 1 12 11 10 1 2 3 94 8765 13 14 15 16 bottom view d n g d n g t e s w s v 2 t u o v 1 t u o v n i v n i powerpak mlp44-16 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 sip2214dmp-xz-t1 - 40 c to 85 c powerpak mlp33-10 14xz sip2214dlp-aa-t1 powerpak mlp44-16 14aa pin description pin number name function mlp33-10 mlp44-16 1 15, 16 v in input voltage for the power mosfets and their gate drive 2 en enables both ldo outputs 1en 1 enable ldo #1 2en 2 enable ldo #2 3 3 bp bypass for noise reduction 4 5 sw control for open drain output 4adj 1 feedback connection for ldo #1 5 6 set connection for external capacitor to delay por 6 7, 8 gnd ground 9gnd sw ground for the internal n-channel mosfet switch 10 adj 2 feedback connection for ldo #2 7 11 drv open drain output 8 12 por power on reset output 913v out2 output of ldo #2 - 300 ma 10 14 v out1 output of ldo #1 - 150 ma
www.vishay.com 6 document number: 73191 s09-1454-rev. e, 03-aug-09 vishay siliconix sip2214 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 characteris tics - 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
document number: 73191 s09-1454-rev. e, 03-aug-09 www.vishay.com 7 vishay siliconix sip2214 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 o u tp u t 2 load c u rrent (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. load 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
www.vishay.com 8 document number: 73191 s09-1454-rev. e, 03-aug-09 vishay siliconix sip2214 typical characteristics switch threshold vs. supply voltage por delay 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 2.25 2.75 3.25 3.75 4.25 4.75 5.25 supply voltage (v) ) v ( d l o h s e r h t g n i h c t i w s drive current = 1 ma por setting cap (nf) ) s m ( e m i t c i n = 1 f c out = 1 f i load = 100 a 100 0.01 0.001 100 1000 0.1 1 10 10 1 0.1 0.01 1000 enable voltage threshold vs. supply voltage 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
document number: 73191 s09-1454-rev. e, 03-aug-09 www.vishay.com 9 vishay siliconix sip2214 typical waveforms noise spectrum output 1 enable sequence load transient response ldo1 10 0.01 10 hz 1 mhz v hz 100 s/div en 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 150 ma i out1 100 ma/div v out2 50 mv/div v out1 50 mv/div 5 s/div c in = 1 f c out = 1 f c bp = 0.01 f v in = 5 v noise spectrum output 2 power-on reset sequence load transient response ldo2 10 0.01 10 hz 1 mhz v hz 5 ms/di v e n 2 v /di v por 2 v /di v v out2 1 v /di v v out1 1 v /di v c i n = 1 f c out = 1 f c bp = 0.01 f c set = 0.01 f v i n = 5 v 300 ma i out1 200 ma/div v out1 50 mv/div v out2 50 mv/div 5 s/div c in = 1 f c out = 1 f c bp = 0.01 f v in = 5 v
www.vishay.com 10 document number: 73191 s09-1454-rev. e, 03-aug-09 vishay siliconix sip2214 detailed operation the sip2214 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 sip2214, 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. the 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 enable pin controls the turning on and off of both regulators of the sip2214. 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 . for the adjustable voltage version of the sip2214, ldo 1 and ldo 2 , have separate and independent enable control pins. power-on reset (por) the por is an open drain output that goes low when v out2 is less than 5 % of its nominal value. as with any open drain output, an external pull up resistor is needed. the por pin is disconnected if not used. set when a capacitor is connected from set to ground, the por signal transition from low to high is delayed. this delayed por signal can be used as the power-on reset signal for the application system. to set the por delay time refer to the por delay curve to determine the capacitor value. the set pin should be an open circuit if not used. open-drain driver (drv) the sw pin a logic level input put that controls the drv pin. the switch pin is an active high input and should not be left floating. the drive pin is an open drain output able to sink 150 ma of current. 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 www.vishay.com/ppg?73191 .
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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