Datasheet > MCR03EZPFX1471

MCR03EZPFX1471

更新时间： 2024-09-13 12:10:27

品牌	Logo	应用领域
英飞凌 - INFINEON		稳压器双倍数据速率
页数	文件大小	规格书
32页	728K
描述
HIGHLY EFFICIENT INTEGRATED SYNCHRONOUS BUCK REGULATOR FOR DDR APPLICATIONS

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中文翻译

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数据手册

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MCR03EZPFX1471 数据手册

PD-97660

IR3831WMPbF

SupIRBuck

HIGHLY EFFICIENT INTEGRATED

SYNCHRONOUS BUCK REGULATOR FOR DDR APPLICATIONS

Features

Description

The IR3831W SupIRBuck^TMis an easy-to-use,

fully integrated and highly efficient DC/DC

regulator. The MOSFETS co-packaged with the

on-chip PWM controller make IR3831W a space-

efficient solution, providing accurate power

delivery for DDR memory applications.

•

Wide Input Voltage Range 1.0V to 16V

Wide Output Voltage Range 0.6V to 0.9*Vin

Continuous 8A Load Capability

Integrated Bootstrap-diode

High Bandwidth E/A for excellent transient

performance

•

Programmable Switching Frequency up to 1.5 MHz

Programmable Over Current Protection

PGood output

IR3831W is configured to generate termination

voltage (VTT) for DDR memory applications.

Hiccup Current Limit

IR3831W offers programmability of start up time,

switching frequency and current limit while

operating in wide input and output voltage range.

Programmable Soft-Start

Enable Input with Voltage Monitoring Capability

Enhanced Pre-Bias Start-up

The switching frequency is programmable from

250kHz to 1.5MHz for an optimum solution.

Vp input for DDR Tracking applications

-40^oC to 125^oC operating junction temperature

Thermal Protection

It also features important protection functions,

such as Pre-Bias startup, hiccup current limit and

thermal shutdown to give required system level

security in the event of fault conditions.

5mm x 6mm Power QFN Package, 0.9 mm height

Lead-free, halogen-free and RoHS compliant

Applications

•

Server Applications

•

Distributed Point of Load Power Architectures

Netcom Applications

Storage Applications

Embedded Telecom Systems

1.0V <Vin<16V

4.5V <Vcc<5.5V

Enable

Vin

Boot

Vcc

VDDQ

PGood

OCSet

Comp

PGnd

SS/ SD

Gnd

Fig. 1. Typical application diagram

Rev 16.0

12 3 4 5 6 7...32

中文翻译

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