innovative power tm - 1 - www.active-semi.com copyright ? 2010 active-semi, inc. activepmu tm is trademark of active-semi. i 2 c tm is a trademark of nxp. product brief, 29-nov-10 ACT8897 advanced pmu for samsung s5pc100, s5pc110 and s5pv210 processors features ? optimized for samsung s5pc100, s5pc110 and s5pv210 processors ? three step-down dc/dc converters ? four low-dropout linear regulators ? i 2 c tm serial interface ? advanced enable/disable sequencing controller ? minimal external components ? tiny 55mm tqfn55-32 package ? 0.75mm package height ? pb-free and rohs compliant applications ? personal navigation devices ? portable media players ? tablet devices ? smart phones ? mids general description the ACT8897 is a complete, cost effective, highly- efficient activepmu tm power management solution, optimized for the unique power, voltage- sequencing, and control requirements of the samsung s5pc100, s5pc110 and s5pv210 processors. this device features three step-down dc/dc converters and four low-noise, low-dropout linear regulators. the three dc/dc converters utilize a high- efficiency, fixed-frequency (2mhz), current-mode pwm control architecture that requires a minimum number of external components. two dc/dcs are capable of supplying up to 1100ma of output current, while the third supports up to 1200ma. all four low-dropout linear regulators are high- performance, low-noise, regulators that supply up to 150ma, 150ma, 250ma, and 250ma, respectively. the ACT8897 is available in a compact, pb-free and rohs-compliant tqfn55-32 package. typical application diagram ?
ACT8897 product brief, 29-nov-10 ? innovative power tm - 2 - www.active-semi.com copyright ? 2010 active-semi, inc. reg2 reg1 reg3 product options block function output voltage capability reg1 step-down dc/dc adjustable, or 0.6v to 3.9v 1100ma reg2 step-down dc/dc 1100ma reg3 step-down dc/dc 1200ma reg4 ldo 0.6v to 3.9v 150ma reg5 ldo 150ma reg6 ldo 250ma reg7 ldo 250ma functional block diagram
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