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ACT8938

Part Number	ACT8938
Manufacturer	Active-Semi
Description	Advanced PMU
Published	Jan 9, 2014
Detailed Description	ACT8938 Product Brief, 15-Aug-13 Advanced PMU for Marvell Aspen FEATURES • • • • • • • • Optimized for Marvell Aspen Pr...
Datasheet	ACT8938 PDF File

Overview

ACT8938 Product Brief, 15-Aug-13 Advanced PMU for Marvell Aspen FEATURES • • • • • • • • Optimized for Marvell Aspen 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 ACT8938 is a complete, cost effective, highly efficient ActivePMUTM power management solution, optimized for the unique power, voltage sequencing, and control requirements of the Marvell Aspen processor.
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 n...

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