TPS71728DCK

更新时间： 2024-10-28 07:04:51

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TPS71728DCK相关器件

型号	品牌	获取价格	描述	数据表
TPS71728DCKR	TI	获取价格	Low Noise, High-Bandwidth PSRR Low-Dropout 150mA Linear Regulator
TPS71728DCKRG4	TI	获取价格	Low Noise, High-Bandwidth PSRR Low-Dropout 150mA Linear Regulator
TPS71728DCKT	TI	获取价格	Low Noise, High-Bandwidth PSRR Low-Dropout 150mA Linear Regulator
TPS71728DCKTG4	TI	获取价格	Low Noise, High-Bandwidth PSRR Low-Dropout 150mA Linear Regulator
TPS71728DSER	TI	获取价格	Low Noise, High-Bandwidth PSRR Low-Dropout 150mA Linear Regulator
TPS71728DSERG4	TI	获取价格	Low Noise, High-Bandwidth PSRR Low-Dropout 150mA Linear Regulator
TPS71728DSET	TI	获取价格	Low Noise, High-Bandwidth PSRR Low-Dropout 150mA Linear Regulator
TPS71728DSETG4	TI	获取价格	Low Noise, High-Bandwidth PSRR Low-Dropout 150mA Linear Regulator
TPS71728QDRVRQ1	TI	获取价格	具有使能功能的汽车类、150mA、高 PSRR、低 IQ、低压降稳压器 \| DRV \| 6
TPS71729DCKR	TI	获取价格	Low Noise, High-Bandwidth PSRR Low-Dropout 150mA Linear Regulator

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