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SI2335DS

更新时间： 2024-11-18 06:11:31

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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SI2335DS 数据手册

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SI2335DS相关器件

型号	品牌	获取价格	描述	数据表
SI2335DS (KI2335DS)	KEXIN	获取价格	P-Channel MOSFET
SI2335DS-E3	VISHAY	获取价格	TRANSISTOR 3200 mA, 12 V, P-CHANNEL, Si, SMALL SIGNAL, MOSFET, TO-236AB, TO-236, 3 PIN, FE
SI2336DS	VISHAY	获取价格	N-Channel 30 V (D-S) MOSFET
SI2336DS-T1-GE3	VISHAY	获取价格	N-CHANNEL 30-V (D-S) MOSFET - Tape and Reel
SI2337DS	VISHAY	获取价格	P-Channel 80-V (D-S) MOSFET
SI2337DS (KI2337DS)	KEXIN	获取价格	P-Channel MOSFET
SI2337DS_08	VISHAY	获取价格	P-Channel 80-V (D-S) MOSFET
SI2337DS-T1-E3	VISHAY	获取价格	P-Channel 80-V (D-S) MOSFET
SI2337DS-T1-GE3	VISHAY	获取价格	P-Channel 80-V (D-S) MOSFET
SI2338DS	VISHAY	获取价格	N-Channel 30 V (D-S) MOSFET

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