IRU3048CSTR

更新时间： 2024-09-16 13:08:55

品牌	Logo	应用领域
英飞凌 - INFINEON		控制器
页数	文件大小	规格书
18页	154K
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数据手册

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IRU3048CSTR 数据手册

Data Sheet No.PD94253

IRU3048

DUAL SYNCHRONOUS PWM CONTROLLER

CIRCUITRY AND LDO CONTROLLER

PRELIMINARY DATA SHEET

FEATURES

DESCRIPTION

Dual Synchronous Controller in 16-Pin Package

with 1808 out-of-phase operation

LDO Controller with 40mA drive

The IRU3048 IC combines a Dual synchronous Buck

controller and a linear regulator controller, providing a

cost-effective, high performance and flexible solution for

multi-output applications. The Dual synchronous con-

troller is configured as 2-independent PWM controller.

IRU3048 provides a separate adjustable output by driv-

ing a switch as a linear regulator. This device features an

internal 200KHz oscillator, under-voltage lockout for all

input supplies, an external programmable soft start func-

tion as well as output under-voltage detection that latches

off the device when an output short is detected.

Configured as 2-Independent PWM Controller

Flexible, Same or Separate Supply Operation

Operation from 4V to 25V Input

Internal 200KHz Oscillator

Soft-Start controls all outputs

Fixed Frequency Voltage Mode

500mA Peak Output Drive Capability

Programmable Outputs

APPLICATIONS

DDR Memory Source Sink Vtt Application

Graphic Card

Hard Disk Drive

Power supplies requiring multiple outputs

TYPICAL APPLICATION

12V

VcH1 VcH2

HDrv1

Vcc

VOUT1

LDrv1

3.3V

VOUT3

Fb3

PGnd

IRU3048

VOUT3

Fb1

Fb2

Comp1

Comp2

HDrv2

VOUT2

LDrv2

Gnd

Figure 1 - Typical application of IRU3048 configured as 2-independent converter.

PACKAGE ORDER INFORMATION

TA (°C)

0 To 70

DEVICE

IRU3048CF

IRU3048CS

PACKAGE

16-Pin TSSOP (F)

16-Pin SOIC NB (S)

Rev. 1.7

09/12/02

www.irf.com

12 3 4 5 6 7...18

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