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ACT8933 Datasheet(PDF) 1 Page - Active-Semi, Inc |
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ACT8933 Datasheet(HTML) 1 Page - Active-Semi, Inc |
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1 / 44 page  - 1 - www.active-semi.com ActivePMU TM and ActivePathTM are trademarks of Active-Semi. I2CTM is a trademark of NXP. Copyright © 2012 Active-Semi, Inc. Innovative PowerTM Active-Semi Proprietary―For Authorized Recipients and Customers Rev 3, 15-Nov-12 ACT8933 Advanced PMU for CoreLogic LUCY FEATURES • Optimized for CoreLogic LUCY Processors • Three Step-Down DC/DC Converters • Four Low-Dropout Linear Regulators • Integrated ActivePathTM Charger • I2CTM Serial Interface • Advanced Enable/Disable Sequencing Controller • Minimal External Components • Tiny 5×5mm TQFN55-40 Package − 0.75mm Package Height − Pb-Free and RoHS Compliant GENERAL DESCRIPTION The ACT8933 is a complete, cost effective, highly- efficient ActivePMUTM power management solution, optimized for the unique power, voltage- sequencing, and control requirements of the CoreLogic LUCY processors. This device features three step-down DC/DC converters and four low-noise, low-dropout linear regulators, along with a complete battery charging solution featuring the advanced ActivePathTM system-power selection function. 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 900mA of output current, while the third supports up to 700mA. All four low- dropout linear regulators are high-performance, low-noise regulators that supply up to 250mA each. The ACT8933 is available in a compact, Pb-Free and RoHS-compliant TQFN55-40 package. TYPICAL APPLICATION DIAGRAM |
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