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SLVA341A

更新时间： 2024-11-18 06:11:59

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	159K
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High-Efficiency Power Solution Using DC/DC Converter With DVFS

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Application Report

SLVA341A–June 2009–Revised May 2010

High-Efficiency Power Solution Using DC/DC Converter

With DVFS

Andy Dykstra................................................................................. PMP - DC/DC Low-Power Converters

ABSTRACT

This reference design helps those desiring to design-in the TMS320C6742, TMS320C6746,

TMS320C6748 and OMAP-L138. This design, employing sequenced power supplies, describes a system

with an input voltage of 5 V, and uses a high-efficiency DC/DC Converters with integrated FETs and

DVFS for a small, simple system.

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 note addresses these topics

and suggests solutions for output voltage sequencing.

Contents

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

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

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

List of Material ............................................................................................................... 6

List of Figures

PMP4979 Reference Design Schematic.................................................................................

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

Sequencing in Start-Up Waveform .......................................................................................

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

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

SLVA341A–June 2009–Revised May 2010

High-Efficiency Power Solution Using DC/DC Converter With DVFS

12 3 4 5 6 7...9

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与SLVA341A相关器件

型号	品牌	获取价格	描述	数据表
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
SLVDA2.8LC	PROTEC	获取价格	ULTRA LOW CAPACITANCE TVS ARRAY
SLVDA2.8LC_11	PROTEC	获取价格	600 WATT MULTI-LINE ULTRA LOW CAPACITANCE TVS ARRAY

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