Datasheet > MCR03EZPFX1541

MCR03EZPFX1541

更新时间： 2024-09-13 12:03:39

品牌	Logo	应用领域
英飞凌 - INFINEON		稳压器
页数	文件大小	规格书
34页	750K
描述
HIGHLY EFFICIENT INTEGRATED 2A SYNCHRONOUS BUCK REGULATOR

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中文翻译

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数据手册

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MCR03EZPFX1541 数据手册

PD-97507

IR3843WMPbF

HIGHLY EFFICIENT

SupIRBuck

INTEGRATED 2A SYNCHRONOUS BUCK REGULATOR

Features

Description

•

Wide Input Voltage Range 1.5V to 16V

Wide Output Voltage Range 0.7V to 0.9*Vin

Continuous 2A Load Capability

The IR3843W SupIRBuck^TMis an easy-to-use,

fully integrated and highly efficient DC/DC

synchronous Buck regulator. The MOSFETs co-

packaged with the on-chip PWM controller make

IR3843W a space-efficient solution, providing

accurate power delivery for low output voltage

applications.

Integrated Bootstrap-diode

High Bandwidth E/A for excellent transient

performance

•

Programmable Switching Frequency up to 1.5MHz

Programmable Over Current Protection

PGood output

IR3843W is a versatile regulator which offers

programmability of start up time, switching

frequency and current limit while operating in

wide input and output voltage range.

Hiccup Current Limit

Precision Reference Voltage (0.7V, +/-1%)

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.

Seq input for 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.

Multiple current ratings in pin compatible footprint

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

Lead-free, halogen-free and RoHS compliant

Applications

•

Netcom Applications

•

Server Applications

Computing Peripheral Voltage Regulators

General DC-DC Converters

Storage Applications

Embedded Telecom Systems

Distributed Point of Load Power Architectures

1.5V <Vin<16V

4.5V <Vcc<5.5V

Enable

Seq

Vin

Boot

Vcc

PGood

OCSet

Comp

PGnd

SS/ SD

Gnd

Fig. 1. Typical application diagram

Rev 13.0

12 3 4 5 6 7...34

中文翻译

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