mp2000 low input voltage 150ma linear regulator mp2000 rev. 1.11 www.monolithicpower.com 1 10/10/2011 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. the future of analog ic technology description the mp2000 is a low-voltage, low-dropout bipolar linear regulator. it operates from 1.35v to 6.0v input voltage, and regulates the output voltage from as low as 0.5v. the mp2000 can supply up to 150ma of load current. the mp2000 features thermal overload and current limit protection. it is available in a 5-pin tsot23-5 package. part number output voltage mp2000dj-adj adjustable evaluation board reference board number output* dimensions ev2000dj-00a 1.2v 2.0?x x 2.0?y x 0.4?z * default output voltage adjustable from 0.5v to 5.0v using an external resistor divider. features ? operates with v in = 1.35v ? low 300mv dropout at 150ma output ? 3% accurate output voltage ? fixed and adjustable output voltage option ? better than 0.001%/ma load regulation ? stable with low-esr output capacitor ? low 65 a ground current ? internal thermal protection ? current limit protection ? 7 a typical quiescent current at shutdown applications ? low current regulators ? battery powered systems ? cellular phones ?mps? and ?the future of analog ic technology? are trademarks of monolithic power systems, inc. typical application mp2000_tac_s01 mp2000 fb out 4 5 gnd 2 en in 3 1 output 1.2v v in 1.35v to 6v v in
mp2000 ? low input voltage, 150ma linear regulator mp2000 rev. 1.11 www.monolithicpower.com 2 10/10/2011 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. ordering information part number* package top marking free air temperature (t a ) mp2000dj-adj tsot23-5 g1 -40 c to +85 c * for tape & reel, add suffix ?z (eg. mp2000dj?adj?z); for rohs compliant packaging, add suffix ?lf (eg. mp2000dj?adj?lf?z) package reference absolute maxi mum ratings (1) in supply voltage ........................-0.3v to +7.0v fb voltage ......................... -0.3v to v out + 0.3v en voltage ....................................... -0.7v to in continuous power dissipation (t a = +25c) (2) ??????????????????.0.57w junction temperature ...............................150 c lead temperature ....................................260 c storage temperature .............. -65c to +150 c recommended operating conditions (3) input voltage.................................1.35v to 6.0v output voltage ...................................0.5v to 5v load current ...........................150ma maximum operating junct. temp (t j )...... -40 c to +125 c thermal resistance (4) ja jc tsot23-5.............................. 220 .... 110.. c/w notes: 1) exceeding these ratings may damage the device. 2) the maximum allowable power dissipation is a function of the maximum junction temperature t j (max), the junction-to- ambient thermal resistance ja , and the ambient temperature t a . the maximum allowable continuous power dissipation at any ambient temperature is calculated by p d (max)=(t j (max)- t a )/ ja . exceeding the maximum allowable power dissipation will cause excessive die temperature, and the regulator will go into thermal shutdown. internal thermal shutdown circuitry protects the device from permanent damage. 3) the device is not guaranteed to function outside of its operating conditions. 4) measured on jesd51-7 4-layer pcb. top view marking in gnd en 1 2 3 5 4 out fb mp2000_pd01-tsot23-5
mp2000 ? low input voltage, 150ma linear regulator mp2000 rev. 1.11 www.monolithicpower.com 3 10/10/2011 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. electrical characteristics v in = 1.8v, t a = +25 c, unless otherwise noted. parameter symbol condition min typ max units i out = 1ma 65 a ground pin current i out = 150ma 2.7 ma shutdown current en = 1.0v, v in = 5v 7 10 a fb regulation voltage 0.485 0.500 0.515 v i out = 100ma 250 dropout voltage (5) i out = 150ma 300 mv line regulation i out = 1ma, v in = (v out + 0.5v) to 6.0v (7) 0.01 0.08 %/v load regulation i out = 1ma to 150ma, v in = v out + 0.5v (7) 0.001 0.02 %/ma psrr v in > v out + 0.5v, c3 = 2.2 f, v in (ac) = 100mv, f = 1khz 50 db output voltage noise f = 1khz, c fb > 0.1 f, i out = 1ma 300 nv/ hz en input low voltage 0.7 v en input bias current en = 0v 0.01 1 a current limit protection v out = 1.2v 200 ma thermal protection 145 c thermal protection hysteresis 30 c notes: 5) dropout voltage is defined as the input to output different ial when the output voltage drops 1% below its normal value. 6) v in = 1.35v for v out = 0.5v to 0.85v
mp2000 ? low input voltage, 150ma linear regulator mp2000 rev. 1.11 www.monolithicpower.com 4 10/10/2011 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. pin functions pin # name description 1 in power source input. in supplies the internal po wer to the mp2000 and is the source of the pass transistor. bypass in to gnd with a 2.2 f or greater capacitor. 2 gnd ground. 3 en enable input. drive en high to turn off the mp2000; low to tu rn it on. for automatic startup, connect en to gnd. 4 fb feedback input. connect a resistive voltage di vider from out to fb to set the output voltage. out feedback threshold is 0.5v. 5 out regulator output. out is the output of the linear regulator. bypass out to gnd with a 2.2 f or greater capacitor.
mp2000 ? low input voltage, 150ma linear regulator mp2000 rev. 1.11 www.monolithicpower.com 5 10/10/2011 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. typical performanc e characteristics v in = 1.8v, v out = 1.2v, c1 = 2.2 f, c2 = 0.1 f, c3 = 4.7 f, t a = +25 c unless otherwise noted. mp2000-tpc05 load-transient response circuit of figure 2 i load (50ma/div.) v out (50mv/div.) 100ma 50ma 1.2v 1.220 1.215 1.210 1.205 1.200 1.195 1.190 v out (v) 02468 v in (v) v out vs. v in 3.0 2.5 2.0 1.5 1.0 0.5 0 i gnd (ma) 0 20 40 60 80 100 120 140 160 i load (ma) i gnd vs i load 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 i gnd (ma) 02468 v in (v) mp2000-tpc01 mp2000-tpc02 i gnd vs v in mp2000-tpc04 mp2000-tpc03 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0 v dropout (v) 0 50 100 150 i load (ma) v dropout vs i load i load = 1ma v out =1.2v i load = 1ma v in =1.8v v in =3.3v v in =5.0v i load = 150ma i load = 150ma 80 60 40 20 0 -20 psrr (db) 100 1k 10k 100k frequency (hz) mp2000-tpc06 psrr vs frequency v in = 2.5v, v out = 1.0v, i load = 10ma
mp2000 ? low input voltage, 150ma linear regulator mp2000 rev. 1.11 www.monolithicpower.com 6 10/10/2011 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. typical performanc e characteristics (continued) v in = 1.8v, v out = 1.2v, c1 = 2.2 f, c2 = 0.1 f, c3 = 4.7 f, t a = +25 c unless otherwise noted. v en 5v/div. i o 100ma/div. 1ms/div. mp2000-tpc07 startup v in = 5v, i out = 130ma mp2000-tpc08 shutdown v in = 5v, i out = 130ma v in 5v/div. i o 200ma/div. 1ms/div. mp2000-tpc09 current limit protection v in = 5v, en = 0v, i out = 90ma 1ms/div. mp2000-tpc10 power ramp up v in = 5v, en = 0v, i out = 130ma v out 1v/div. v out 5v/div. v in 5v/div. i o 200ma/div. v out 5v/div. v en 5v/div. i o 100ma/div. v out 1v/div.
mp2000 ? low input voltage, 150ma linear regulator mp2000 rev. 1.11 www.monolithicpower.com 7 10/10/2011 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. operation the mp2000 is a low-current, low-voltage, low-dropout linear regulator. it is intended for use in devices that require very low voltage and low quiescent current power such as wireless modems, pagers and cellular phones. the mp2000 uses a pnp pass element and features internal thermal shutdown and an internal current limit circuit. mp2000_f01_bd01 v in v en c out c byp r1 r2 v out -- + bandgap reference & control ocp ea v fb external resistor divider 1 3 2 4 5 -- + figure 1?adjustable regulator
mp2000 ? low input voltage, 150ma linear regulator mp2000 rev. 1.11 www.monolithicpower.com 8 10/10/2011 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. application information setting the output voltage the output voltage can be adjusted by changing the values of the external resistor divider. use the following equation to determine these values: ? ? ? ? ? ? + = 2 r 1 r 1 v 5 . 0 v out typically r1 + r2 are recommended to be less than 100k ? . in figure 2, c2 is added for improved transient response. pcb layout guide pcb layout is very important to achieve good regulation, ripple rejection, transient response and thermal performance. it is highly recommended to duplicate evb layout for optimum performance. if change is necessary, please follow these guidelines and take figure 2 for reference. 1) input and output bypass ceramic capacitors are suggested to be put close to the in pin and out pin respectively. 2) ensure all feedback connections are short and direct. place the feedback resistors and compensation components as close to the chip as possible. 3) connect in, out and especially gnd respectively to a large copper area to cool the chip to improve thermal performance and long-term reliability. mp2000 fb out 4 5 gnd 2 en in 3 1 output 1.2v v in 1.35v to 6v v in c3 c1 r1 c2 r2 c1 1 2 34 5 vin gnd fb out c3 vin vout gnd r1 r2 c2 c3 c2 c3 en top layer figure 2?pcb layout
mp2000 ? low input voltage, 150ma linear regulator mp2000 rev. 1.11 www.monolithicpower.com 9 10/10/2011 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. typical application circuit - adjustable mp2000_f02_tac01 mp2000-adj fb out 4 5 gnd 2 en in 3 1 output 1.2v v in 1.35v to 6.0v v in c2 100nf figure 3?typical application circuit with v out = 1.2v
mp2000 ? low input voltage, 150ma linear regulator notice : the information in this document is subject to change with out notice. please contact mps for current specifications. users should warrant and guarantee that third party intellectual property rights ar e not infringed upon when integrating mps products into any application. mps will not assume any legal responsibility for any said applications. mp2000 rev. 1.11 www.monolithicpower.com 10 10/10/2011 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. package information tsot23-5 0.30 0.50 seating plane 0.95 bsc 0.84 0.90 1.00 max 0.00 0.10 top view front view side view recommended land pattern 2.80 3.00 1.50 1.70 2.60 3.00 1 3 4 5 0.09 0.20 note: 1) all dimensions are in millimeters. 2) package length does not include mold flash, protrusion or gate burr. 3) package width does not include interlead flash or protrusion. 4) lead coplanarity (bottom of leads after forming) shall be 0.10 millimeters max. 5) drawing conforms to jedec mo-193, variation aa. 6) drawing is not to scale. 0.30 0.50 0 o -8 o 0.25 bsc gauge plane 2.60 typ 1.20 typ 0.95 bsc 0.60 typ see detail "a" detail a
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