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mic5365/6 high performance single 150ma ldo mlf and micro leadframe are registered trademarks of amkor technology, inc. micrel inc. ? 2180 fortune drive ? san jose, ca 95131 ? usa ? tel +1 ( 408 ) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com september 2009 m9999-090109-c general description the mic5365/6 is an advanced general purpose linear regulator offering high power supply rejection (psrr) in an ultra-small 1mm x 1mm package. the mic5366 includes an auto-discharge feature that is activated when the enable pin is low. the mic5365/6 is capable of sourcing 150ma output current and offers high psrr making it an ideal solution for any portable electronic application. ideal for battery powered applications, the mic5365/6 offers 2% initial accuracy, low dropout voltage (155mv @ 150ma), and low ground current (typically 29a). the mic5365/6 can also be put into a zero-off-mode current state, drawing virtually no current when disabled. the mic5365/6 is available in several advanced packages including a lead-free (rohs compliant) 1mm x 1mm thin mlf ? occupying only 1mm 2 of pcb area, a 75% reduction in board area compared to sc-70 and 2mm x 2mm mlf ? packages. it is also availabe in an sc-70-5 package. the mic5365/6 has an operating junction temperature range of ?40c to 125c. data sheets and support documentation can be found on micrel?s web site at www.micrel.com. features ? tiny 1mm x 1mm thin mlf ? and sc-70-5 packages ? input voltage range: 2.5v to 5.5v ? 150ma guaranteed output current ? stable with 1f ceramic output capacitors ? low dropout voltage ? 155mv @ 150ma ? excellent load/line transient response ? low quiescent current ? 29a ? high psrr ? 70db ? output discharge circuit ? mic5366 ? high output accuracy ? 2% initial accuracy ? thermal shutdown and current limit protection applications ? mobile phones ? digital cameras ? gps, pdas, pmp, handhelds ? portable electronics ___________________________________________________________________________________________________________ typical application vout mic5365/6-xxymt vin en gnd 1f 1f vbat - proc i/o - vibrator motor - rx/synth
micrel, inc. mic5365/6 september 2009 2 m9999-090109-c block diagram ldo v in v out en gnd reference mic5365 block diagram ldo v in v out en gnd reference auto- discharge mic5366 block diagram
micrel, inc. mic5365/6 september 2009 3 m9999-090109-c ordering information part number marking code output voltage temperature range package lead finish mic5365-1.0ymt 5c 1.0v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5365-1.2ymt 54 1.2v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5365-1.3ymt 55 1.3v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5365-1.5ymt 5f 1.5v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5365-1.8ymt 5g 1.8v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5365-2.0ymt 5h 2.0v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5365-2.5ymt 5j 2.5v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5365-2.6ymt 5k 2.6v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5365-2.7ymt 5l 2.7v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5365-2.8ymt 5m 2.8v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5365-2.85ymt 5n 2.85v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5365-2.9ymt 5o 2.9v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5365-3.0ymt 5p 3.0v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5365-3.1ymt 5q 3.1v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5365-3.3ymt 5s 3.3v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5365-1.0yc5 65 c 1.0v ?40c to +125c sc-70-5 pb-free mic5365-1.2yc5 65 4 1.2v ?40c to +125c sc-70-5 pb-free mic5365-1.3yc5 65 5 1.3v ?40c to +125c sc-70-5 pb-free mic5365-1.5yc5 65 f 1.5v ?40c to +125c sc-70-5 pb-free mic5365-1.8yc5 65 g 1.8v ?40c to +125c sc-70-5 pb-free mic5365-2.0yc5 65 h 2.0v ?40c to +125c sc-70-5 pb-free mic5365-2.5yc5 65 j 2.5v ?40c to +125c sc-70-5 pb-free mic5365-2.6yc5 65 k 2.6v ?40c to +125c sc-70-5 pb-free mic5365-2.7yc5 65 l 2.7v ?40c to +125c sc-70-5 pb-free mic5365-2.8yc5 65 m 2.8v ?40c to +125c sc-70-5 pb-free mic5365-2.85yc5 65 n 2.85v ?40c to +125c sc-70-5 pb-free mic5365-2.9yc5 65 o 2.9v ?40c to +125c sc-70-5 pb-free mic5365-3.0yc5 65 p 3.0v ?40c to +125c sc-70-5 pb-free mic5365-3.3yc5 65 s 3.3v ?40c to +125c sc-70-5 pb-free mic5366-1.0ymt* 6c 1.0v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5366-1.2ymt* 64 1.2v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5366-1.3ymt* 65 1.3v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5366-1.5ymt* 6f 1.5v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5366-1.8ymt* 6g 1.8v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5366-2.0ymt* 6h 2.0v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5366-2.5ymt* 6j 2.5v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5366-2.6ymt* 6k 2.6v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5366-2.7ymt* 6l 2.7v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5366-2.8ymt* 6m 2.8v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5366-2.85ymt* 6n 2.85v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5366-2.9ymt* 6o 2.9v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5366-3.0ymt* 6p 3.0v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free mic5366-3.3ymt* 6s 3.3v ?40c to +125c 4-pin 1mm x 1mm thin mlf ? pb-free
micrel, inc. mic5365/6 september 2009 4 m9999-090109-c part number marking code output voltage temperature range package lead finish mic5366-1.0yc5* 66 c 1.0v ?40c to +125c sc-70-5 pb-free mic5366-1.2yc5* 66 4 1.2v ?40c to +125c sc-70-5 pb-free mic5366-1.3yc5* 66 5 1.3v ?40c to +125c sc-70-5 pb-free mic5366-1.5yc5* 66 f 1.5v ?40c to +125c sc-70-5 pb-free mic5366-1.8yc5* 66 g 1.8v ?40c to +125c sc-70-5 pb-free mic5366-2.0yc5* 66 h 2.0v ?40c to +125c sc-70-5 pb-free mic5366-2.5yc5* 66 j 2.5v ?40c to +125c sc-70-5 pb-free mic5366-2.6yc5* 66 k 2.6v ?40c to +125c sc-70-5 pb-free mic5366-2.7yc5* 66 l 2.7v ?40c to +125c sc-70-5 pb-free mic5366-2.8yc5* 66 m 2.8v ?40c to +125c sc-70-5 pb-free mic5366-2.85yc5* 66 n 2.85v ?40c to +125c sc-70-5 pb-free mic5366-2.9yc5* 66 o 2.9v ?40c to +125c sc-70-5 pb-free mic5366-3.0yc5* 66 p 3.0v ?40c to +125c sc-70-5 pb-free mic5366-3.3yc5* 66 s 3.3v ?40c to +125c sc-70-5 pb-free notes: 1. other voltages available. contact micrel for details. 2. under bar symbol ( _ ) may not be to scale. 3. thin mlf ? = pin 1 identifier. 4. thin mlf ? is a green rohs compliant package. lead fini sh is nipdau. mold compound is halogen free. * mic5366 offers auto-discharge function.
micrel, inc. mic5365/6 september 2009 5 m9999-090109-c pin configuration 1 2 4 3 top view vout gnd en vin en gnd nc vout vin 3 1 5 2 4 4-pin 1mm x 1mm thin mlf ? (mt) fixed version 5-pin sc-70 (c5) fixed version pin description pin number pin name thin mlf-4 pin name sc-70-5 pin function 1 vout ? output voltage. 1 ? vin supply input. 2 gnd gnd ground 3 en en enable input: active high. high = on; low = off. do not leave floating. 4 vin ? supply input. 4 ? nc no connect. not internally connected. 5 ? vout output voltage. ep hs pad na exposed heatsink pad.
micrel, inc. mic5365/6 september 2009 6 m9999-090109-c absolute maximum ratings (1) supply voltage (v in ) ............................................... 0v to 6v enable voltage (v en ).............................................. 0v to v in power dissipation (p d ) ........................... internally limited (3) lead temperature (solde ring, 3se c)........................ 260c junction temperature (t j ) ........................?40c to +150c storage temperature (t s ) .........................?65c to +150c esd rating (4) .................................................................. 2kv operating ratings (2) supply voltage (v in )......................................... 2.5v to 5.5v enable voltage (v en ).............................................. 0v to v in junction temperature (t j ) ........................ ?40c to +125c junction thermal resistance 1x1 thin mlf-4 ( ja ) .......................................250c/w sc-70-5 ( ja ) ................................................256.5c/w electrical characteristics (5) v in = v en = v out + 1v; c in = c out = 1f; i out = 100a; t j = 25c, bold values indicate ?40c to +125c, unless noted. parameter condition min typ max units variation from nominal v out ?2.0 +2.0 % output voltage accuracy variation from nominal v out ; ?40c to +125c ?3.0 +3.0 % line regulation v in = v out +1v to 5.5v; i out = 100a 0.02 0.3 % load regulation (6) i out = 100a to 150ma 0.3 1 % dropout voltage (7) i out = 50ma; v out 2.8v i out = 150ma; v out 2.8v i out = 50ma; v out < 2.8v i out = 150ma; v out < 2.8v 55 155 60 180 110 310 135 380 mv mv mv mv ground pin current (8) i out = 0ma 29 39 a ground pin current in shutdown v en 0.2v 0.05 1 a ripple rejection f = up to 1khz; c out = 1f f = 1khz ? 10khz; c out = 1f 80 65 db db current limit v out = 0v 200 325 550 ma output voltage noise c out = 1f, 10hz to 100khz 200 v rms auto-discharge nfet resistance mic5366 only; v en = 0v; v in = 3.6v; i out = ?3ma 30 ? enable input logic low 0.2 v enable input voltage logic high 1.2 v v il 0.2v 0.01 1 a enable input current v ih 1.2v 0.01 1 a turn-on time c out = 1f; i out = 150ma 50 125 s notes: 1. exceeding the absolute maxi mum rating may damage the device. 2. the device is not guaranteed to function outside its operating rating. 3. the maximum allowable power dissipation of any t a (ambient temperature) is p d(max) = t j(max) ? t a ) / ja . exceeding the maximum allowable power dissipation will result in excessive die temper ature, and the regulator will go into thermal shutdown. 4. devices are esd sensitive. handling precautions recommended. human body model, 1.5k ? in series with 100pf. 5. specification for packaged product only. 6. regulation is measured at constant junction temperature using low duty cycle pu lse testing, changes in output voltage due t o heating effects are covered by the thermal regulation specification. 7. dropout voltage is defined as the input-to-output differential at which the output voltage drops 2% below its nominal value measured at 1v differential. for outputs below 2.5v, dropout voltage is the input-to-output differential with the minimum input voltage 2.5v. 8. ground pin current is the regulator quiescent current. the to tal current drawn from the supply is the sum of the load curre nt plus the ground pin current.
micrel, inc. mic5365/6 september 2009 7 m9999-090109-c typical characteristics 0 power supply rejection ratio 100 frequency (hz) 10 1k 10k 1m v in = v out +1v v out = 2.5v c out = 1f 75ma 100a 150ma 100k 0 20 40 60 80 100 120 140 160 02 55 07 5 100 125 150 load current (ma) dropout voltage vs. load current v out = 3.3v c in = c out = 1f 0 150 200 dropout voltage vs. temperature -40 -20 0 20 40 60 80 100 120 temperature (c) v out = 3.3v c in = c out = 1f 10ma 150ma 100ma 50ma 50 100 20 22 24 26 28 30 32 34 36 38 2.5 3.0 3.5 4.0 4.5 5.0 5.5 supply voltage (v) ground current vs. supply voltage v en = v in v out = 3.3v c in = c out = 1f 150ma 100a 28 30 32 34 36 38 40 02 55 07 5 100 125 150 load current (ma) ground current vs. load current v in = v en = v out + 1v v out = 3.3v c in = c out = 1f 20 22 24 26 28 30 32 34 36 38 40 ground current vs. temperature -40 -20 0 20 40 60 80 100 120 temperature (c) v in = v en = v out + 1v v out = 3.3v c in = c out = 1f 50ma 100a 100ma 150ma 3.10 3.15 3.20 3.25 3.30 3.35 3.40 3.45 3.50 output voltage vs. load current v in = v en = v out + 1v v out = 3.3v c in = c out = 1f c out = 1f/10v 0 20 40 60 80 100 120 140 160 load current (ma) 2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.0 3.5 4.0 4.5 5.0 5.5 supply voltage (v) output voltage vs. supply voltage v en = v in v out = 3.3v c in = c out = 1f 1ma 50ma 150ma 2.5 2.5 3.0 3.1 3.2 3.4 3.5 output voltage vs. temperature -40 -20 0 20 40 60 80 100 120 temperature (c) v in = v out + 1v v out = 3.3v c in = c out = 1f i out = 150m a 3.3 200 250 300 350 400 3.0 3.5 4.0 4.5 5.0 5.5 supply voltage (v) current limit vs. supply voltage v out = 3.3v c in = c out = 1f 0.001 0.01 0.1 1 10 0.001 output noise spectral density 100 frequency (hz) 10 1k 10k 1m 100k 10m v in = v en = 4.5v v out = 2.8v c in = c out = 1f noise (10hz to 100khz) = 198.19v rms
micrel, inc. mic5365/6 september 2009 8 m9999-090109-c functional characteristics
micrel, inc. mic5365/6 september 2009 9 m9999-090109-c application information mic5365 and mic5366 are low noise 150ma ldos. the mic5366 includes an auto- discharge circuit that is switched on when the regulator is disabled through the enable pin. the mic5365/6 regulator is fully protected from damage due to fault conditions, offering linear current limiting and thermal shutdown. input capacitor the mic5365/6 is a high-performance, high bandwidth device. an input capacitor of 1f is required from the input to ground to provide stability. low-esr ceramic capacitors provide optimal performance at a minimum of space. additional high-frequency capacitors, such as small-valued npo dielectric-type capacitors, help filter out high-frequency noise and are good practice in any rf-based circuit. x5r or x7r dielectrics are recommended for the input capacitor. y5v dielectrics lose most of their capacitance over temperature and are therefore, not recommended. output capacitor the mic5365/6 requires an out put capacitor of 1f or greater to maintain stability. the design is optimized for use with low-esr ceramic chip capacitors. high esr capacitors are not reco mmended because they may cause high frequency oscilla tion. the output capacitor can be increased, but performance has been optimized for a 1f ceramic output capa citor and does not improve significantly with larger capacitance. x7r/x5r dielectric-type ceramic capacitors are recommended because of their temperature performance. x7r-type capacitors change capacitance by 15% over their operat ing temperature range and are the most stable type of ceramic capacitors. z5u and y5v dielectric capacitors change value by as much as 50% and 60%, respectively, over their operating temperature ranges. to use a ceramic chip capacitor with y5v dielectric, the value must be much higher than an x7r ceramic capacitor to ensure the same minimum capacitance over the equiva lent operating temperature range. no-load stability unlike many other voltage regul ators, the mic5365/6 will remain stable and in regulation with no load. this is especially important in cmos ram keep-alive applications. enable/shutdown the mic5365/6 comes with an active-high enable pin that allows the regulator to be disabled. forcing the enable pin low disables the regulator and sends it into a ?zero? off-mode-current state. in this state, current consumed by the regulator goes nearly to zero. forcing the enable pin high enables the output voltage. the active-high enable pin uses cmos technology and the enable pin cannot be left floating; a floating enable pin may cause an indeterminate state on the output. thermal considerations the mic5365/6 is designed to provide 150ma of continuous current in a very small package. maximum ambient operating temperature can be calculated based on the output current and the voltage drop across the part. for example if the input voltage is 3.6v, the output voltage is 2.8v, and the output current = 150ma. the actual power dissipation of the regulator circuit can be determined using the equation: p d = (v in ? v out1 ) i out + v in i gnd because this device is cmos and the ground current is typically <100a over the load range, the power dissipation contributed by t he ground current is < 1% and can be ignored for this calculation. p d = (3.6v ? 2.8v) 150ma p d = 0.120w to determine the maximum ambient operating temperature of the package, use the junction-to-ambient thermal resistance of the device and the following basic equation: ? ? ? ? ? ? ? ? ? = ja a j(max) d(max) t t p t j(max) = 125c, the maximum junction temperature of the die, ja thermal resistance = 250c/w for the ymt package and 256.5c/w for the sc-70-5 package. substituting p d for p d(max) and solving for the ambient operating temperature will give the maximum operating conditions for the regulator circuit. the junction-to- ambient thermal resistance for the minimum footprint is 250c/w. the maximum power dissipation must not be exceeded for proper operation.
micrel, inc. mic5365/6 september 2009 10 m9999-090109-c for example, when operating the mic5365-2.8ymt at an input voltage of 3.6v and 150ma load with a minimum footprint layout, the maximum ambient operating temperature t a can be determined as follows: 0.120w = (125c ? t a )/(250c/w) t a = 95c therefore the maximum ambient operating temperature of 95c is allowed in a 1mm x 1mm mlf ? package. for a full discussion of heat sinking and thermal effects on voltage regulators, refer to the ?regulator thermals? section of micrel?s designing with low-dropout voltage regulators handbook. this information can be found on micrel's website at: http://www.micrel.com/_pdf/other/ldobk_ds.pdf
micrel, inc. mic5365/6 september 2009 11 m9999-090109-c vout u1 mic5365/6-xxymt vin en gnd c2 1f 10v j3 v out j5 en j4 g nd c1 1f 10v j1 v in j2 g nd 1 3 2 4 bill of materials item part number manufacturer description qty. c1, c2 grm155r61a105ke15d murata (1) capacitor, 1f ceramic, 10v, x7r, size 0402 2 u1 mic5365/6-xxymt micrel, inc. (3) high performance single 150ma ldo 1 notes: 1. murata: www.murata.com 2. micrel, inc.: www.micrel.com
micrel, inc. mic5365/6 september 2009 12 m9999-090109-c pcb layout recommendations (1mm x 1mm thin mlf ? ) top layer bottom layer
micrel, inc. mic5365/6 september 2009 13 m9999-090109-c pcb layout recommendations (sc-70-5) top layer bottom layer
micrel, inc. mic5365/6 september 2009 14 m9999-090109-c package information 4-pin 1mm x 1mm thin mlf ? (mt) 5-pin sc-70 (c5)
micrel, inc. mic5365/6 september 2009 15 m9999-090109-c 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 the information furnished by micrel in this data sheet is belie ved to be accurate and reliable. however, no responsibility is a ssumed by micrel for its use. micrel reserves the right to change circuitry and specifications at any time without notification to the customer. micrel products are not designed or authori zed for use as components in life support app liances, devices or systems where malfu nction of a product can reasonably be expected to result in pers onal injury. life support devices or system s are devices or systems that (a) are in tended for surgical implant into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significan t injury to the user. a purchaser?s use or sale of micrel produc ts for use in life support app liances, devices or systems is a purchaser?s own risk and purchaser agrees to fully indemnify micrel for any damages resulting from such use or sale. ? 2008 micrel, incorporated.

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