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Features

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Features

The design uses the following high-efficiency DC/DC Converter with integrated FETs .

INPUT VOLTAGE

~5V

HIGH EFFICIENCY AND INTEGRATION

(w DVFS)

COMBINE RTC AND STATIC 1.2

Core 1.2 V at 600 mA

TPS65023

Static 1.2 V + VRTC at 251 mA

Static 1.8 V at 230 mA

Static 3.3 V at 115 mA

Here, VRTC is included in the STATIC12 (fixed 1.2 V) group.

TPS65023

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1.5-A, 90% Efficient Step-Down Converter for Processor Core (VDCDC1)

•

2 × 200-mA General-Purpose LDO

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1.2-A, Up to 95% Efficient Step-Down Converter for System Voltage (VDCDC2)

•

1-A, 92% Efficient Step-Down Converter for Memory Voltage (VDCDC3)

•

Dynamic Voltage Management for Processor Core

•

I

More information on the device can be found from the data sheets

•

TPS65023, http://focus.ti.com/lit/ds/symlink/tps65023.pdf

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SLVA340A – June 2009 – Revised May 2010

High-Integration, High-Efficiency Power Solution Using DC/DC Converters With

DVFS

Copyright © 2009–2010, Texas Instruments Incorporated