Datasheet > ERJ-3EKF3741V

ERJ-3EKF3741V

更新时间： 2024-11-01 12:30:23

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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ERJ-3EKF3741V 数据手册

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ERJ-3EKF3741V相关器件

型号	品牌	获取价格	描述	数据表
ERJ3EKF3742B	PANASONIC	获取价格	Fixed Resistor, Metal Glaze/thick Film, 0.063W, 37400ohm, 50V, 1% +/-Tol, 100ppm/Cel, Surf
ERJ3EKF3742V	PANASONIC	获取价格	Fixed Resistor, Metal Glaze/thick Film, 0.1W, 37400ohm, 75V, 1% +/-Tol, 100ppm/Cel, Surfac
ERJ-3EKF3742V	PANASONIC	获取价格	RES SMD 37.4K OHM 1% 1/10W 0603
ERJ3EKF3743B	PANASONIC	获取价格	Fixed Resistor, Metal Glaze/thick Film, 0.063W, 374000ohm, 50V, 1% +/-Tol, 100ppm/Cel, Sur
ERJ3EKF3743V	PANASONIC	获取价格	贴片电阻器（精密级型）
ERJ-3EKF3743V	PANASONIC	获取价格	RES SMD 374K OHM 1% 1/10W 0603
ERJ3EKF37R4V	PANASONIC	获取价格	贴片电阻器（精密级型）
ERJ-3EKF37R4V	PANASONIC	获取价格	RES SMD 37.4 OHM 1% 1/10W 0603
ERJ3EKF3830V	PANASONIC	获取价格	Fixed Resistor, Metal Glaze/thick Film, 0.1W, 383ohm, 75V, 1% +/-Tol, 100ppm/Cel, Surface
ERJ-3EKF3830V	PANASONIC	获取价格	RES SMD 383 OHM 1% 1/10W 0603

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