Datasheet > GRM188R71H103KA01D

GRM188R71H103KA01D

更新时间： 2024-11-24 12:03:39

品牌	Logo	应用领域
英飞凌 - INFINEON		/
页数	文件大小	规格书
47页	1568K
描述
Dual output, 4A/Phase, Highly Integrated SupIRBuck

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Dual output, 4A/Phase, Highly Integrated SupIRBuck^TM

IR3891

Single-Input Voltage, Synchronous Buck Regulator

FEATURES

DESCRIPTION

The IR3891 SupIRBuck^TMis an easy-to-use, fully

integrated and highly efficient DC/DC regulator. The

onboard PWM controller and MOSFETs make IR3891

a space-efficient solution, providing accurate power

delivery for low output voltage.

 Single 5V to 21V application

 Wide Input Voltage Range from 1V to 21V with

external Vcc

 Output Voltage Range: 0.5V to 0.86*PVin

 Dual output, 4A/Phase

IR3891 is

versatile regulator which offers

 Enhanced Line/Load Regulation with Feed-

Forward

programmability of switching frequency and a fixed

current limit while operating in wide input and output

voltage range.

 Programmable Switching Frequency up to 1.5MHz

 Internal Digital Soft-Start

 Enable input with Voltage Monitoring Capability

The switching frequency is programmable from

300kHz to 1.5MHz for an optimum solution.

 Thermally compensated current limit and Hiccup

Mode Over Current Protection

It also features important protection functions, such as

Over Voltage Protection (OVP), Pre-Bias startup,

hiccup current limit and thermal shutdown to give

required system level security in the event of fault

conditions.

 External synchronization with Smooth Clocking

 Precision Reference Voltage (0.5V +/-1%)

 Seq pin for Sequencing Applications

 Integrated MOSFETs, drivers and Bootstrap diode

 Thermal Shut Down

APPLICATIONS

 Open Feedback Line Protection

 Sever Applications

 Over Voltage Protection

 Netcom Applications

 Interleaved Phases to reduce Input Capacitors

 Monotonic Start-Up

 Operating Junction Temp: -40^oC<Tj<125^oC

 Set Top Box Applications

 Storage Applications

 Small Size 5mm x 6mm PQFN

 Embedded telecom Systems

 Distributed Point of Load Power Architectures

 Computing Peripheral Voltage regulators

 General DC-DC Converters

 Lead-free, Halogen-free, and RoHS Compliant

ORDERING INFORMATION

Base Part

Standard Pack

Quantity

Orderable Part

Number

Package Type

Form

Number

IR3891

PQFN 5mm x 6mm

Tape and Reel

750

IR3891MTR1PBF

IR3891MTRPBF

4000

www.irf.com

May 08, 2013

12 3 4 5 6 7...47

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与GRM188R71H103KA01D相关器件

型号	品牌	获取价格	描述	数据表
GRM188R71H103MA01#	MURATA	获取价格	民用设备,工业设备,移动设备,植入式以外的医疗器械设备 [GHTF A/B/C],汽车[信
GRM188R71H104JA93	MURATA	获取价格	Chip Monolithic Ceramic Capacitor for General
GRM188R71H104JA93#	MURATA	获取价格	民用设备,工业设备,移动设备,植入式以外的医疗器械设备 [GHTF A/B/C],汽车[信
GRM188R71H104KA93	NXP	获取价格	Heterojunction Bipolar Transistor Technology (InGaP HBT)
GRM188R71H104KA93#	MURATA	获取价格	民用设备,工业设备,移动设备,植入式以外的医疗器械设备 [GHTF A/B/C],汽车[信
GRM188R71H104KA93D	FREESCALE	获取价格	Enhancement Mode pHEMT Technology (E-pHEMT)
GRM188R71H104KA93D	ADI	获取价格	Evaluation Board User Guide
GRM188R71H104KA93D	TI	获取价格	Performance Demonstration Kit for the ADS130E08
GRM188R71H104KA93D	INFINEON	获取价格	12W 5V SMPS evaluation board with ICE3AR4780VJZ
GRM188R71H104MA93	MURATA	获取价格	Chip Monolithic Ceramic Capacitor for General

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