EV20056-J-00A fast transient response, ultra-small 250ma linear regulator ev board EV20056-J-00A rev. 1.0 www.monolithicpower.com 1 7/31/2015 mps proprietary information. patent protec ted. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. the future of analog ic technology description the EV20056-J-00A evaluation board demonstrates the performance of mp20056-33, a low noise, low dropout and high psrr linear regulator. it operates from a 3.7v to 5.5v input voltage and the output voltage is preset internallyat 3.3v. the EV20056-J-00A can supply up to 250ma of load current, and features current limiting, over temperature protection. an internal pmos pass element is used to allow a low 150ua ground current, making the mp20056-j suitable for battery-power devices. electrical specifications parameter symbol value units input voltage v in 3.7 ? 5.5 v output voltage v out 3.3 v load current i out 250 ma features ? up to 250ma output current ? low 100mv dropout at 250ma ? fast transient response ? 70db psrr at 1khz ? 13 vrms low noise output ? fixed output voltage 3.3v ? current limit and thermal protection applications ? telecom ? cellular phones ? dsp, fpga supplies ? hand ?held instruments ? notebook computers all mps parts are lead-free, halogen free, and adhere to the rohs directive. for mps green status, please visit mps website under quality assurance. ?mps? and ?the future of anal og ic technology? are registered trademarks of monolithic power systems, inc. EV20056-J-00A evaluation board (l x w x h) 2.5? x 2.5? x 0.4? (6.35cm x 6.35cm x 1.1cm) board number mps ic number EV20056-J-00A mp20056-j-33 note: mpq20056 and mp20056 share the same evb.
EV20056-J-00A ? fast transient response, ultra-small 250ma linear regulator EV20056-J-00A rev. 1.0 www.monolithicpower.com 2 7/31/2015 mps proprietary information. patent protec ted. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. evaluation board schematic mp20056-j-33 EV20056-J-00A bill of materials qty ref value description package manufacturer part number 1 c1 2.2 f ceramic cap., 6.3v, 10%, x5r 0603 murata grm188r60j225ke19d 1 c2 4.7 f ceramic cap., 6.3v, 10%, x5r 0603 murata grm188r60j475ke19d c3 ns r1,r2,r3 ns 0603 1 u1 linear regulator qfn8(2x2mm) mps mp20056-j-33 4 vin, vout, gnd test point test point 2x2.54mm hz china market 1 en test point test point test point hz china market
EV20056-J-00A ? fast transient response, ultra-small 250ma linear regulator EV20056-J-00A rev. 1.0 www.monolithicpower.com 3 7/31/2015 mps proprietary information. patent protec ted. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. evb test results performance waveforms are tested on the evaluation board. v in =3.6v, v out =3.3v, t a =25oc, unless otherwise noted.
EV20056-J-00A ? fast transient response, ultra-small 250ma linear regulator EV20056-J-00A rev. 1.0 www.monolithicpower.com 4 7/31/2015 mps proprietary information. patent protec ted. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. evb test results (continued) performance waveforms are tested on the evaluation board. v in =3.6v, v out =3.3v, t a =25oc, unless otherwise noted. v in 2v/div. v out 2v/div. i out 0.5a/div. v in 5v/div. v out 2v/div. i out 0.5a/div. v in 2v/div. v out 20mv/div. i in 0.1a/div. steady state i out = 0.5a steady state i out = 0.5a load transient i out = 50ma-0.2a v en 2v/div. enable on i out = 0.4a enable off i out = 0.4a i in 0.5a/div. short output power ramp up i out = 0.5a power ramp down i out = 0.5a i out 0.5a/div. short output recovery v in 2v/div. v out 2v/div. i out 0.5a/div. v en 2v/div. v in 2v/div. v out 2v/div. i out 0.5a/div. v in 2v/div. v out 2v/div. v in 2v/div. v out 2v/div. i out 0.5a/div. v in 2v/div. v out 2v/div. i out 0.5a/div. v in 2v/div. v out 2v/div.
EV20056-J-00A ? fast transient response, ultra-small 250ma linear regulator EV20056-J-00A rev. 1.0 www.monolithicpower.com 5 7/31/2015 mps proprietary information. patent protec ted. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. printed circuit board layout figure 1?top and top silk layer figure 2?top silk layer figure 3?top layer
EV20056-J-00A ? fast transient response, ultra-small 250ma linear regulator notice: the information in this document is subject to change wi thout notice. users should warra nt 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. EV20056-J-00A rev. 1.0 www.monolithicpower.com 6 7/31/2015 mps proprietary information. patent protect ed. unauthorized photocopy and duplication prohibited. ? 2015 mps. all rights reserved. quick start guide 1. connect the positive terminal of the load to vout pins, and the negative terminal of the load to gnd pins. 2. preset the power supply output to 3.7v EV20056-J-00A will automatically start up. 6. the output voltage is fixed 3.3v.
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