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ACT8937A

Active-Semi
Part Number ACT8937A
Manufacturer Active-Semi
Description Advanced PMU
Published Jan 9, 2014
Detailed Description ACT8937A Rev 1, 22-Oct-12 Advanced PMU for Samsung S5PC100, S5PC110 and S5PV210 Processors FEATURES • Optimized for Sa...
Datasheet PDF File ACT8937A PDF File

ACT8937A
ACT8937A

Overview
ACT8937A Rev 1, 22-Oct-12 Advanced PMU for Samsung S5PC100, S5PC110 and S5PV210 Processors FEATURES • Optimized for Samsung S5PC100, S5PC110 and S5PV210 Processors GENERAL DESCRIPTION The ACT8937A is a complete, cost effective, highlyefficient ActivePMUTM power management solution, optimized for the unique power, voltagesequencing, 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 highefficiency, 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 highperformance, 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.
• • • • • • • 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 TYPICAL APPLICATION DIAGRAM Innovative PowerTM ActivePMUTM and ActivePathTM are trademarks of Active-Semi.
I2CTM is a trademark of NXP.
-1- www.
active-semi.
com Copyright © 2012 Active-Semi, Inc.
Free Datasheet http://www.
datasheet4u.
com/ ACT8937A Rev 1, 22-Oct-12 General Information .
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01 Functional Block Diagram .
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