MP8869W high-efficiency, 12a, 18v, synchronous step-down converter with i 2 c interface preliminary specifications subject to change MP8869W rev.0.8 www.monolithicpower.com 1 4/25/2016 mps proprietary information. patent protec ted. unauthorized photocopy and duplication prohibited. preliminary specifications subject to change ? 2016 mps. all rights reserved. the future of analog ic technology description the MP8869W is a high-frequency, synchronous, rectified, step-down, switch-mode converter with i 2 c control interface. it o ffers a fully integrated solution to achieve a 12a continuous and 15a peak output current with excellent load and line regulation over a wide input supply range. in the i 2 c control loop, the output voltage level can be controlled on-thefly through an i 2 c serial interface. the voltage r ange can be adjusted from 0.6v to 1.55v in 7.5m v steps. the voltage slew rate, frequency, current limit, hiccup/latch-off protection, enable, and power savings mode are also selectable through the i 2 c interface. cot control operation prov ides fast transient response. an open drain power good pin indicates that the output voltage is in the nominal range. full protection features include over-voltage protection, over-current protection, and thermal shutdown. the MP8869W is available in a qfn- 14(3mmx4mm) package. features ? wide 3v-to-18v operating input range ? 12a continuous/15a p eak output current ? 1% internal reference accuracy ? i 2 c programmable output range from 0.6v to 1.55v in 7.5mv steps with slew rate control ? 5% accuracy output voltage and output current read back via i 2 c ? selectable pfm/pwm mode and adjustable frequency & current limit through i 2 c ? 4 different i 2 c addresses selectable ? external soft start ? open drain power good indication ? output over-voltage protection ? hiccup/latch off ocp protection ? qfn-14(3mmx4mm) package applications ? solid state driver (ssd) ? flat-panel television and monitors ? digital set-top boxes ? distributed power systems all mps parts are lead-free, halogen-free, and adhere to the rohs directive. for mps green status, plea se visit the mps website under qualit y a ssurance. ?mps? and ?the future of analog ic technology? are registered trademarks of monolithic power systems, inc. please email ? productinfo@monolithicpower.com for more information. typical application 0.01 0.1 1 10 100 output current (a) v in =4.5v v in =12v 60 64 68 72 76 80 84 88 92 96 100 v in =18v
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