Datasheet > IR3448M_15

IR3448M_15

更新时间： 2024-11-30 01:17:39

品牌	Logo	应用领域
英飞凌 - INFINEON		/
页数	文件大小	规格书
50页	3293K
描述
Single 5V to 21V application

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数据手册

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IR3448M_15 数据手册

16A Highly Integrated SupIRBuck^®

Single-Input Voltage, Synchronous Buck Regulator

IR3448

FEATURES

DESCRIPTION

The IR3448 SupIRBuck^®is an easy-to-use, fully

integrated and highly efficient DC/DC regulator. The

onboard PWM controller and MOSFETs make IR3448

a space-efficient solution, providing accurate power

delivery for low output voltage and high current

applications.

• Single 5V to 21V application

• Wide Input Voltage Range from 1.5V to 21V with

external Vcc

• Output Voltage Range: 0.6V to 0.86*PVin

• 0.5% accurate Reference Voltage

• Enhanced line/load regulation with Feed-Forward

• Programmable Switching Frequency up to 1.5MHz

• Internal Digital Soft-Start

IR3448 is

versatile regulator which offers

• Enable input with Voltage Monitoring Capability

programmability of switching frequency and current

limit while operating in wide input and output voltage

range.

• Remote Sense Amplifier with True Differential

Voltage Sensing

• Thermally compensated current limit and Hiccup

Mode Over Current Protection

The switching frequency is programmable from 300

kHz to 1.5MHz for an optimum solution.

• Smart LDO to enhance efficiency

• External synchronization with Smooth Clocking

• Dedicated output voltage sensing for power good

indication and overvoltage protection which

remains active even when Enable is low.

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.

• Enhanced Pre-Bias Start up

• Body Braking to improve transient

• Integrated MOSFET drivers and Bootstrap diode

• Thermal Shut Down

• Post Package trimmed rising edge dead-time

• Programmable Power Good Output

• Small Size 5mm x 6mm PQFN

APPLICATIONS

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

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

• Server Application

• Distributed Point of Load Power Architectures

• Set Top Box Application

• Power Supplies

ORDERING INFORMATION

Base Part

Standard Pack

Quantity

4000

Orderable Part

Number

Package Type

Form

Number

IR3448

PQFN 5mm x 6mm

Tape and Reel

IR3448MTRPBF

IR3448

PBF

Lead Free

Tape and Reel

Package Type

www.irf.com

Submit Datasheet Feedback June 18, 2015

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与IR3448M_15相关器件

型号	品牌	获取价格	描述	数据表
IR3448MPBF	INFINEON	获取价格	16A Highly Integrated SupIRBuck Single-Input Voltage, Synchronous Buck Regulator
IR3448MTR1PBF	INFINEON	获取价格	16A Highly Integrated SupIRBuck Single-Input Voltage, Synchronous Buck Regulator
IR3448MTRPBF	INFINEON	获取价格	16A Highly Integrated SupIRBuck Single-Input Voltage, Synchronous Buck Regulator
IR3473	INFINEON	获取价格	6A Highly Integrated SupIRBuck Input Voltage Range: 3V to 27V
IR3473M	INFINEON	获取价格	Compensation Loop not Required
IR3473M_15	INFINEON	获取价格	Compensation Loop not Required
IR3473MTR1PBF	INFINEON	获取价格	6A Highly Integrated SupIRBuck Input Voltage Range: 3V to 27V
IR3473MTRPBF	INFINEON	获取价格	6A Highly Integrated SupIRBuck Input Voltage Range: 3V to 27V
IR3475	INFINEON	获取价格	10A Highly Integrated SupIRBuck Constant On.Time Control
IR3475MTR1PBF	INFINEON	获取价格	10A Highly Integrated SupIRBuck Constant On.Time Control

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