EV2009EE-00A ultra low noise, low dropout 120ma linear regulator EV2009EE-00A rev. 1.0 www.monolithicpower.com 1 11/27/2009 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2009 mps. all rights reserved. the future of analog ic technology description the EV2009EE-00A evaluation board demonstrates the performance of mp2009, an ultra low noise, low dropout linear regulator. it operates from a 2v to 6v input voltage and regulates the output voltage range from 1.5v to 4.5v in 100mv increments. the EV2009EE-00A can supply up to 120ma of load current with a typical dropout voltage of 172 mv. it provides thermal overload and current limit protection, stability with ultra low esr ceramic capacitors as low as 1uf, and very fast transient response. electrical specifications parameter symbol value units input voltage v in 2.3 ? 6.0 v output voltage v out1 1.8 v operating temperature ?20 ? +85 c features ? wide 2v to 5v input voltage range ? fixed output voltage range from 1.5v to 4.5v in 100mv increments ? 16v rms output noise at 100hz to 100khz bandwidth with no bypass capacitor required ? 78db psrr at 1khz ? 172mv dropout at 120ma load ? stable with 1f ceramic capacitor for any load ? low 50a ground current ? very fast line and load transient response with small input and output capacitor ? current limit and thermal protection applications ? cellular and cordless phones ? vcos ? pda and palmtop computers ? digital cameras ? base stations ? wireless lans ? personal stereos ? bluetooth portable radios and accessories ? portable and battery-powered equipment mps? and ?the future of analog ic technology? are registered trademarks of monolithic power systems, inc. EV2009EE-00A evaluation board (l x w x h) 2.5? x 2.5? x 0.4? (6.3cm x 6.3cm x 1.1cm) board number mps ic number EV2009EE-00A mp2009ee-1.8
EV2009EE-00A ? ultra low noise, low dropout, 120ma line regulator EV2009EE-00A rev. 1.0 www.monolithicpower.com 2 11/27/2009 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2009 mps. all rights reserved. evaluation board schematic mp2009 vin en out nc vin en gnd gnd out gnd u1 r1 100k cin ns cout ns EV2009EE-00A bill of materials qty ref value description package manufacturer part number 2 c1, c2 1uf ceramic capacitor,x7r,16v 0603 tdk c1608x7r1c105k 2 cin,cout ns 1 r1 100k film res, 5% 0603 any 1 u1 ldo regulator 5-sc70 mps mp2009ee-1.8
EV2009EE-00A ? ultra low noise, low dropout, 120ma line regulator EV2009EE-00A rev. 1.0 www.monolithicpower.com 3 11/27/2009 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2009 mps. all rights reserved. printed circuit board layout figure 1?top silk layer figure 2?top layer
EV2009EE-00A ? ultra low noise, low dropout, 120ma line regulator notice: the information in this document is subject to change wi thout notice. please contact m ps 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. EV2009EE-00A rev. 1.0 www.monolithicpower.com 4 11/27/2009 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2009 mps. all rights reserved. quick start guide the output voltage of this board is preset to 1.8v. the en pin is connected to v in with a 100k ? resistor for automatic startup. you can connect en to gnd to disable the mp2009. 1. attach the positive and negative ends of the load to the vout and gnd pins, respectively. 2. attach the input voltage (2.3v v in 6v) and input ground to the v in and gnd pins, respectively.
|
