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ACT8893 Schematic ( PDF Datasheet ) - Active-Semi

Teilenummer ACT8893
Beschreibung Advanced PMU
Hersteller Active-Semi
Logo Active-Semi Logo 




Gesamt 2 Seiten
ACT8893 Datasheet, Funktion
® ACT8893
Product Brief, 29-Nov-10
Advanced PMU for CoreLogic LUCY
FEATURES
Optimized for CoreLogic LUCY Processors
Three Step-Down DC/DC Converters
Four Low-Dropout Linear Regulators
I2CTM Serial Interface
Advanced Enable/Disable Sequencing Controller
Minimal External Components
Tiny 5×5mm 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 ACT8893 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.
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 ACT8893 is available in a compact, Pb-Free
and RoHS-compliant TQFN55-32 package.
TYPICAL APPLICATION DIAGRAM
Innovative PowerTM
ActivePMUTM is trademark of Active-Semi.
I2CTM is a trademark of NXP.
-1-
www.active-semi.com
Copyright © 2010 Active-Semi, Inc.
Free Datasheet http://www.datasheet4u.com/





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