Datasheet > IR3898MTR1PBF

IR3898MTR1PBF

更新时间： 2024-09-16 11:58:59

品牌	Logo	应用领域
英飞凌 - INFINEON		/
页数	文件大小	规格书
45页	2481K
描述
6A HIGHLY INTERGRATED SUPLRBUCK

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IR3898MTR1PBF 数据手册

PD-97662

6A Highly Integrated SupIRBuck^TM

IR3898

Single-Input Voltage, Synchronous Buck Regulator

- 1 -

FEATURES

DESCRIPTION

integrated and highly efficient DC/DC regulator.

The onboard PWM controller and MOSFETs make

IR3898 a space-efficient solution, providing accurate

power delivery.

The IR3898 SupIRBuck^TMis an easy-to-use, fully

• Single 5V to 21V application

• Wide Input Voltage Range from 1.0V to 21V with

external Vcc

• Output Voltage Range: 0.5V to 0.86* Vin

• Enhanced Line/Load Regulation with Feed-Forward

• Programmable Switching Frequency up to 1.5MHz

• Internal Digital Soft-Start/Soft-Stop

IR3898 is a versatile regulator which offers

programmable switching frequency and the fixed

internal current limit while operates in wide input and

output voltage range.

• Enable input with Voltage Monitoring Capability

The switching frequency is programmable from 300kHz

to 1.5MHz for an optimum solution.

• Thermally Compensated Current Limit with robust

hiccup mode over current protection

• Smart Internal LDO to improve light load and full load

It also features important protection functions, such as

Pre-Bias startup, thermally compensated current limit,

over voltage protection and thermal shutdown to give

required system level security in the event of fault

conditions.

efficiency

• External Synchronization with Smooth Clocking

• Enhanced Pre-Bias Start-Up

• Precision Reference Voltage (0.5V+/-0.5%) with

margining capability

• Vp for Tracking Applications (Source/Sink Capability

APPLICATIONS

• Netcom Applications

+/-6A)

• Integrated MOSFET drivers and Bootstrap Diode

• Thermal Shut Down

• Embedded Telecom Systems

• Server Applications

• Programmable Power Good Output with tracking

• Storage Applications

capability

• Distributed Point of Load Power Architectures

• Monotonic Start-Up

• Operating temp: -40^oC < Tj < 125^oC

• Small Size: 4mm x 5mm PQFN

• Lead-free, Halogen-free and RoHS Compliant

BASIC APPLICATION

6.8V <Vin<21V

PVin

Vref S_Ctrl Vin

Vcc/

LDO_out

Boot

PGood

IR3898

Vsns

12Vin,Internal bias,Frequency 600KHz

Rt/Sync

Enable

Comp

0.6

1.2

1.8

2.4

3.6

Load Current (A)

1.2Vout 3.3Vout

4.2

4.8

5.4

Gnd

PGnd

* optional

Figure 2:IR3898 Efficiency

Figure 1: IR3898 Basic Application Circuit

AUGUST 08, 2012 | DATA SHEET | Rev 3.3

12 3 4 5 6 7...45

中文翻译

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IR3898MTR1PBF 替代型号

型号	品牌	替代类型	描述	数据表
IR3898MTRPBF	INFINEON	功能相似	6A HIGHLY INTERGRATED SUPLRBUCK

与IR3898MTR1PBF相关器件

型号	品牌	获取价格	描述	数据表
IR3898MTRPBF	INFINEON	获取价格	6A HIGHLY INTERGRATED SUPLRBUCK
IR3899	INFINEON	获取价格	9A Highly Integrated SupIRBuck Single.Input Voltage
IR3899_13	INFINEON	获取价格	9A Highly Integrated SupIRBuck Single.Input Voltage
IR3899AMTRPBF	INFINEON	获取价格	9 A 单输出同步降压调节器
IR3899M	INFINEON	获取价格	SingleâInput Voltage, Synchronous Buck Regu
IR3899M_15	INFINEON	获取价格	SingleâInput Voltage, Synchronous Buck Regu
IR3899MPBF	INFINEON	获取价格	USER GUIDE FOR IR3899 EVALUATION BOARD
IR3899MTR1PBF	INFINEON	获取价格	9A Highly Integrated SupIRBuck Single.Input Voltage
IR3899MTRPBF	INFINEON	获取价格	9A Highly Integrated SupIRBuck Single.Input Voltage
IR38ESR12M	VISHAY	获取价格	Silicon Controlled Rectifier, 1200V V(DRM), 1200V V(RRM), 1 Element

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