Datasheet > IR3811MPBF_08

IR3811MPBF_08

更新时间： 2024-11-11 03:44:27

品牌	Logo	应用领域
英飞凌 - INFINEON		稳压器输入元件
页数	文件大小	规格书
21页	669K
描述
HIGHLY INTEGRATED 7A WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR

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数据手册

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IR3811MPBF_08 数据手册

PD-60334

IR3811MPbF

SupIRBuck

HIGHLY INTEGRATED 7A

WIDE-INPUT VOLTAGE, SYNCHRONOUS BUCK REGULATOR

Features

Description

•

Wide Input Voltage Range 2.5V to 21V

Wide Output Voltage Range 0.6V to 12V

Continuous 7A Load Capability

600kHz High Frequency Operation

Programmable Over-Current-Protection

Hiccup Current Limit

The IR3811 SupIRBuck^TMis an easy-to-use, fully

integrated and highly efficient DC/DC regulator.

The onboard switching controller and MOSFETs

make the IR3811 a space-efficient solution,

providing accurate power delivery for low output

voltage applications.

Tracking capability for Memory Application

Precision Reference Voltage (0.6V)

Programmable Soft-Start

The IR3811 operates from a single 4.5V to 14V

input supply and generates an output voltage

adjustable from 0.6V to 0.75*Vin at loads up to 7A.

Pre-Bias Start-up

Thermal Protection

IR3811 can be configured for tracking

applications to generate termination voltage (VTT)

for memory applications.

Thermally Enhanced Package

Small Size 5mmx6mm QFN

Pb-Free (RoHS Compliant)

A versatile regulator offering programmability of

start up time and current limit, the IR3811’s fixed

600kHz switching frequency allows the use of

small external components.

Applications

•

Distributed Point-of-Loads

Server and Workstations

Embedded Systems

IR3811 also features important protection

functions, such as Pre-Bias startup, hiccup

current limit and thermal shutdown to provide the

required system level security in the event of fault

conditions.

Storage Systems

DDR Applications

Graphics Cards

Game Consoles

Computing Peripheral Voltage Regulators

Fig. 1. Typical application diagram

01/08/08

12 3 4 5 6 7...21

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