mp62040-1/mp62041-1 1.7v- 5.5v, ultra-small, single-channel 2a current-limited power distribution switch with output discharge mp62040-1/mp62041-1 rev.1.01 www.monolithicpower.com 1 7/18/2011 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. the future of analog ic technology description the mp62040-1/mp62041-1 power distribution switch is designed for high-side load switch applications. the switch operates from 1.7v to 5.5v nominal input voltage and includes an 85m ? power mosfet to handle up to 2a continuous load. the mp62040-1/mp62041-1 has slew rate control with 115s rise time to limit inrush current when enabling the switch. in addition, the part features a discharge function that provides a resistive discharge path for the external output capacitor when the part is disabled. the built-in level shift function allows a logic signal on enable input that may be different from the supply voltage to switch the high side p-channel mosfet on or off. the mp62040-1/mp62041-1 is available in an ultra-small utqfn4 package, with ultra-low height (0.55mm typ.). features ? 2a continuous current ? 1.7v to 5.5v supply range ? output discharge function ? soft start: 115s ? 1a shutdown current ? 85m ? mosfet ? active high & active low options ? space saving 1.6x1.2mm utqfn4 package (0.55mm height) applications ? load switch in portable applications ? battery switch-over circuits for mps green status, please visit mps website under quality assurance. ?mps? and ?the future of analog ic technology? are registered trademarks o f monolithic power systems, inc. typical application 1.7-5.5v gnd 3 4 mp62040-1/mp62041-1 1 2 in out input c 1 c 2 output en* (*: en is active high for mp62041-1) single channel
mp62040-1/mp62041-1 1.7v- 5.5v, 2a power distribution switch mp62040-1/mp62041-1 rev.1.01 www.monolithicpower.com 2 7/18/2011 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. ordering information part number enable switch maximum continuous load current package top marking free air temperature (t a ) MP62040DQFU-1* active low single 2a utqfn4 afy -40 ? c to +85 ? c mp62041dqfu-1 active high utqfn4 5uy * for tape & reel, add suffix ?z (e.g. MP62040DQFU-1?z). for rohs compliant packaging, add suffix ?lf (e.g. MP62040DQFU-1-lf?z) package reference top view out gnd en* in 1 2 4 3 exposed pad on backside *: en is active high for mp62041-1 absolute maxi mum ratings (1) in ................................................. -0.3v to +6.0v en, out to gnd ......................... -0.3v to +6.0v continuous power dissipation (t a = +25c) (2) utqfn4?????????????......0.7w junction temperature ............................... 150c lead temperature .................................... 260c storage temperature ............... -65c to +150c maximum junction temp. (t j ) ............... +125 ? c thermal resistance (3) ja jc utqfn4 ................................ 173 .... 127 .. ? 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) measured on jesd51-7, 4-layer pcb.
mp62040-1/mp62041-1 1.7v- 5.5v, 2a power distribution switch mp62040-1/mp62041-1 rev.1.01 www.monolithicpower.com 3 7/18/2011 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. electrical characteristics v in =3.6v, t a =+25c, unless otherwise noted. parameter symbol condition min typ max units in voltage range v in 1.7 5.5 v supply current device active, v in =3.6v, i out =0 2 a shutdown current device disable, v in =5.5v, v out =float 1 a fet on_resistance v in =1.7v, i out =100ma 165 225 m ? v in =1.8v, i out =100ma 155 215 m ? v in =2.5v, i out =100ma 130 200 m ? v in =3.6v, i out =100ma 100 140 m ? v in =4.5v, i out =100ma 85 115 m ? en input logic high voltage v in = 1.7v to 4.5v, i d = -250a 1.2 v en input logic low voltage v in = 1.7v to 4.5v, i d = -250a 0.4 v en input current device active, v in = 5.5v 2 4 a discharge resistance device disable, v in =3.6v, i test = 1ma 200 300 ? v out rising time ( 4 ) tr v in =3.6v, i out =100ma, c l =1 f 75 115 200 s v out falling time ( 5 ) tf v in =3.6v, i out =100ma, c l =1 f 65 75 100 s turn on_time ( 6 ) ton v in =3.6v, i out =100ma, c l =1 f 235 350 s turn off_time ( 7 ) toff v in =3.6v, i out =100ma, c l =1 f 100 200 s notes: 4) measured from 10% to 90%. 5) measured from 90% to 10%. 6) measured from (50%) en signal to (90%) output signal. 7) measured from (50%) en signal to (10%) output signal.
mp62040-1/mp62041-1 1.7v- 5.5v, 2a power distribution switch mp62040-1/mp62041-1 rev.1.01 www.monolithicpower.com 4 7/18/2011 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. pin functions utqfn name description 1 out in-to-out power-distribution output 2 gnd ground and the thermal pad should both be connected to electrical ground. 3 in input voltage. accepts 1.7v to 5.5v input. 4 en ??? active low: (mp62040-1), active high: (mp62041-1) parameter measurem ent information figure 1 D definition of tr, tf, ton and toff
mp62040-1/mp62041-1 1.7v- 5.5v, 2a power distribution switch mp62040-1/mp62041-1 rev.1.01 www.monolithicpower.com 5 7/18/2011 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. typical performanc e characteristics v in = v en = 3.6v, c l = 1 f, t a = +25 ? c, unless otherwise noted.
mp62040-1/mp62041-1 1.7v- 5.5v, 2a power distribution switch mp62040-1/mp62041-1 rev.1.01 www.monolithicpower.com 6 7/18/2011 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. typical performanc e characteristics (continued) v in = v en = 3.6v, c l = 1 f, t a = +25 ? c, unless otherwise noted.
mp62040-1/mp62041-1 1.7v- 5.5v, 2a power distribution switch mp62040-1/mp62041-1 rev.1.01 www.monolithicpower.com 7 7/18/2011 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. function block diagram out v in gnd in load en* level shift slew rate control and output discharge (*: en is active high for mp62041-1) figure 2 D function block diagram detailed description the mp62040-1/mp62041-1 power distribution switch is designed for high-side load switch. the switch operates from 1.7v to 5.5v nominal input voltage and can handle up to 2a continuous load. enable the logic pin disables the switch to reduce overall supply current .once the en pin reaches logic enable threshold, the mp62040-1/mp62041-1 is enabled and the supply current is very small, only 2a. output discharge the part includes a discharge function that provides a resistive discharge path for the external output capacitor. this function allows the device to quickly discharge the output voltage when it?s disabled. application information power-supply considerations over 10 f capacitor between in and gnd is recommended. this precaution reduces power- supply transients that may cause ringing on the input. in order to achieve smaller output load transient ripple, placing a high-value electrolytic capacitor on the output pin(s) is recommended when the load is heavy.
mp62040-1/mp62041-1 1.7v- 5.5v, 2a power distribution switch notice: the information in this document is subject to change wi thout notice. users should warrant and guarantee that third party intellectual property rights are not infringed upon w hen integrating mps products into any application. mps will not assume any legal responsibility for any said applications. mp62040-1/mp62041-1 rev.1.01 www.monolithicpower.com 8 7/18/2011 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. package information utqfn (1.6x1.2mm) side view top view 1 4 3 2 bottom view 1.50 1.70 0.45 0.55 1.10 1.30 0.81 0.91 0.50 bsc 0.50 0.60 0.00 0.05 0.15 ref pin 1 id marking 0.50 0.86 0.25 recommended land pattern 1.60 note: 1) all dimensions are in millimeters . 2) exposed paddle size does not include mold flash . 3) lead coplanarity shall be 0.10 millimeter max . 4) jedec reference is mo-229. 5) drawing is not to scale . pin 1 id see detail a 0.70 pin 1 id option a r 0.10 typ. pin 1 id option b 0.20x45o typ. detail a 0.30 0.40 pin 1 id index area 0.20 0.30 0.50
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