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ACT8937AQJ11C-T Datasheet(PDF) 1 Page - Active-Semi, Inc |
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ACT8937AQJ11C-T Datasheet(HTML) 1 Page - Active-Semi, Inc |
1 / 45 page Copyright © 2012 Active-Semi, Inc. Innovative Power TM ActivePMU TM and ActivePathTM are trademarks of Active-Semi. I 2CTM is a trademark of NXP. - 1 - www.active-semi.com Rev 1, 22-Oct-12 ACT8937A 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 • 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 ACT8937A is a complete, cost effective, highly- efficient ActivePMUTM 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, 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 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 ACT8937A is available in a compact, Pb-Free and RoHS-compliant TQFN55-40 package. TYPICAL APPLICATION DIAGRAM |
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