Datasheet > SLVA339A

SLVA339A

更新时间： 2024-11-18 09:23:03

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
9页	245K
描述
High-Vin, High-Efficiency Power Solution Using DC/DC Converter With DVFS

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Application Report

SLVA339A–June 2009–Revised May 2010

High-Vin, High-Efficiency Power Solution Using DC/DC

Converter With DVFS

Ambreesh Tripathi .......................................................................... PMP - DC/DC Low-Power Converters

ABSTRACT

This reference design is intended for users designing with the TMS320C6742, TMS320C6746,

TMS320C6748, or OMAP-L138 processor. Using sequenced power supplies, this reference design

describes a system having a 12-V input voltage and a high-efficiency dc/dc converter with integrated FETs

and dynamic voltage and frequency scaling (DVFS) for a small, simple design.

Sequenced power supply architectures are becoming commonplace in high-performance microprocessor

and digital signal processor (DSP) systems. To save power and increase processing speeds, processor

cores have smaller geometry cells and require lower supply voltages than the system bus voltages. Power

management in these systems requires special attention. This application report addresses these topics

and suggests solutions for output voltage sequencing.

Contents

Introduction .................................................................................................................. 2

Power Requirements ....................................................................................................... 2

Features ...................................................................................................................... 3

Bill of Materials .............................................................................................................. 6

List of Figures

PMP4976 Reference Design Schematic.................................................................................

Optional Circuit for DVDD_A, DVDD_B, and DVDD_C................................................................

Sequencing in Start-up Waveform........................................................................................

Efficiency vs Output Current...............................................................................................

List of Tables

General Requirements .....................................................................................................

PMP4976 Bill of Materials .................................................................................................

SLVA339A–June 2009–Revised May 2010

High-Vin, High-Efficiency Power Solution Using DC/DC Converters With DVFS

12 3 4 5 6 7...9

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与SLVA339A相关器件

型号	品牌	获取价格	描述	数据表
SLVA340A	TI	获取价格	High-Integration, High-Efficiency Power Solution Using DC/DC Converters With DVFS
SLVA341A	TI	获取价格	High-Efficiency Power Solution Using DC/DC Converter With DVFS
SLVA342A	TI	获取价格	Simple Power Solution Using LDOs
SLVA343A	TI	获取价格	Medium Integrated Power Solution Using a Dual DC/DC Converter and an LDO
SLVA371A	TI	获取价格	Powering Freon with TPS65070
SLVA400B	TI	获取价格	Power for TMS320C5514/15
SLVA401A	TI	获取价格	Power for C5504/05
SLVDA2.8	SEMTECH	获取价格	Low Voltage TVS Diode Array For ESD & Latch-Up Protection
SLVDA2.8.TB	SEMTECH	获取价格	Trans Voltage Suppressor Diode, 300W, 2.8V V(RWM), Bidirectional, 4 Element, Silicon, MS-0
SLVDA2.8.TC	SEMTECH	获取价格	Trans Voltage Suppressor Diode, 300W, 2.8V V(RWM), Bidirectional, 8 Element, Silicon, SO-8

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