mic 5501/2/3/4 single 300ma ldo revision 2.0 micrel inc. ? 2180 fortune drive ? san jose, ca 95131 ? usa ? tel +1 ( 408 ) 944 - 0800 ? fax + 1 (408) 474 - 1000 ? http://www.micrel.com january 1 4 , 2013 r evision 2.0 general description the mic5501/2/3/4 is an advanced general - purpose ldo ideal for powering general - purpose portable devices. the mic5501/2/3/4 family of products provides a high - performance 300ma ldo in an ultra - small 1mm x 1mm package. the mic5 502 and mi c5504 ldos include an a uto - discharge feature on the output that is activated when the enable pin is low. the mic5 503 and mic5504 have an internal pull - down resistor on the enable pin that disables the output when the enable pin is left floating. this is id eal for applications where the control signal is floating during processor boot up. ideal for battery - powered applications, the mic5 501/2/3/4 offers 2% initial accuracy, low dropout voltage ( 160mv at 30 0ma), and low ground current (typically 38a). the mic 5501/2/3/4 can also be put into a zero - off - mode current state, drawing virtually no current when disabled. the mic5 501/2/3/4 has an operating junction temperature range of ? 40 c to 125 c . data sheets and support documentation can b e found on micrel?s web s ite at: www.micrel.com . features ? input voltage range: 2.5v to 5.5v ? fixed output voltages from 1.0v to 3.3v ? 30 0ma guaranteed output current ? high output accuracy ( 2% ) ? low quiescent current : 38 a ? stable with 1 f ceram ic output capacitors ? low dropout voltage: 160 mv @ 30 0ma ? output discharge circuit : mic5 502, mic5504 ? internal enable pull - down: mic5 503, mic5504 ? thermal - shutdown and current - limit protection ? 4 - lead 1.0mm x 1.0mm thin dfn package applications ? smart phones ? ds c, gps, pmp, and pdas ? m edical devices ? portable electronics ? 5v systems ___________________________________________________________________________________________________________ typical application
micrel, inc. mic5501/2/3/4 january 1 4 , 2013 2 r evision 2.0 absolute maximum ratings supply voltage (v in ) .......................................... ? 0 .3 v to 6 v enable voltage (v en ). ........................................ ? 0.3v to v in power dissipation (p d ) .............................. internally limited lead temperature (soldering, 10sec) ........................ 260c junction temperature (t j ) ........................ ? 40c to +150 c storage temperature (t s ) ......................... ? 65c to +150c esd rating ..................................................................... 3 kv operating ratings supply vol tage (v in ) ......................................... 2.5 v to 5.5 v enable voltage (v en ) .............................................. 0v to v i n junction temperature (t j ) ........................ ? 40c to +125c junction thermal resistance 1 x 1 thin dfn - 4 ( ja ) ....................................... 250 c/w ordering information part number marking code output voltage (1) auto - discharge en pull - down tempe rature range mic5 501 - 3.3 ymt (2) vs 3.3 v no no ? 40c to +125c mic5501 - 3.0 ymt vp 3.0 v no no ? 40c to +125c mic5501 - 2.8 ymt (2) vm 2.8 v no no ? 40c to +125c mic5501 - 1.8 ymt (2) vg 1.8 v no no ? 40c to +125c mic5501 - 1.2 ymt (2) v4 1.2 v no no ? 40c to +125c mic5 502 - 3.3 ymt (2) xs 3.3v yes no ? 40c to +125c mic5502 - 3.0 ymt (2) xp 3.0v yes no ? 40c to +125c mic5502 - 2.8 ymt xm 2.8v yes no ? 40c to +125c mic5502 - 1.8 ymt (2) xg 1.8v yes no ? 40c to +125c mic5502 - 1.2 ymt (2) x4 1.2v yes no ? 40c to +125c mic5 503 - 3.3 ymt (2) sv 3.3 v no yes ? 40c to +125c mic5503 - 3.0 ymt (2) zv 3.0 v no yes ? 40c to +125c mic5503 - 2.8 ymt (2) mv 2.8 v no yes ? 40c to +125c mic5503 - 1.8 ymt yv 1.8 v no yes ? 40c to +125c mic5503 - 1.2 ymt (2) xv 1.2 v no yes ? 40c to +125c mic5 504- 3.3 ymt sx 3.3 v yes yes ? 40c to +125c mic5 504- 3.1 ymt tx 3.1 v yes yes ? 40c to +125c mic5504 - 3.0 ymt px 3.0 v yes yes ? 40c to +125c mic5504 - 2.8 ymt mx 2.8 v yes yes ? 40c to +125c mic5504 - 1.8 ymt gx 1.8 v yes yes ? 40c to +125c mic5504 - 1.2 ymt zx 1.2 v yes yes ? 4 0c to +125c note s : 1. other v oltage s are available. contact micrel for details. 2. contact micrel marketing for availability . micrel, inc. 2180 fortune drive san jose, ca 95131 usa tel +1 (408) 944 - 0800 fax +1 (408) 474 - 1000 web http://www.micrel.com micrel makes no representations or warranties with respect to the accuracy or completeness of the information furnished in this data sheet. this information is not intended as a warranty and micrel does not assume responsibility for its use. micrel reserves the right to change circuitry, specifications and descriptions at any time without notice. no license, whether express, implied, arising by estoppel or otherwise, to any intellectual property rights is granted by this document. except as provided in micrel?s terms and conditions of sale for such products, micrel assumes no lia bility whatsoever, and micrel disclaims any express or implied warranty relating to the sale and/or use of micrel products including liability or warrant ies relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right . ? 2012 micrel, incorporated.
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