Datasheet > IRU3046CFPBF

IRU3046CFPBF

更新时间： 2024-11-06 20:51:27

品牌	Logo	应用领域
英飞凌 - INFINEON		开关光电二极管
页数	文件大小	规格书
20页	163K
描述
Dual Switching Controller, Voltage-mode, 0.5A, 450kHz Switching Freq-Max, PDSO24, PLASTIC, TSSOP-24

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IRU3046CFPBF 数据手册

Data Sheet No. PD94251

IRU3046

DUAL SYNCHRONOUS PWM CONTROLLER WITH

CURRENT SHARING CIRCUITRY AND LDO CONTROLLER

PRELIMINARY DATA SHEET

FEATURES

DESCRIPTION

The IRU3046 IC combines a Dual synchronous Buck

controller and a linear regulator controller, providing a

cost-effective, high performance and flexible solution for

Dual Synchronous Controller in 24-Pin Package

with 1808 out-of-phase operation

LDO Controller with Independent Bias Supply

Can be configured as 2-Independent or 2-Phase multi-output applications. The Dual synchronous con-

PWM Controller troller can be configured as 2-independent or 2-phase

Programmable Current Sharing in 2-Phase Configu- controller. In 2-phase configuration, the IRU3046 provides

ration

a programmable current sharing which is ideal when the

output power exceeds any single input power budget.

IRU3046 provides a separate adjustable output by driv-

Flexible, Same or Separate Supply Operation

Operation from 4V to 25V Input

Programmable Switching Frequency up to 400KHz ing a switch as a linear regulator. This device features

Soft-Start controls all outputs

programmable switching frequency up to 400KHz per

phase, under-voltage lockout for all input supplies, an

external programmable soft-start function as well as out-

put under-voltage detection that latches off the device

when an output short is detected.

Precision Reference Voltage Available

500mA Peak Output Drive Capability

Short Circuit Protection for all outputs

Power Good Output

Synchronizable with External Clock

APPLICATIONS

Graphic Card

Hard Disk Drive

Dual-Phase Power Supply

DDR Memory Source Sink Vtt Application

Power supplies requiring multiple outputs

TYPICAL APPLICATION

12V

C12

C11

C13

VCL

Vcc

VcH1 VcH2

HDrv1

C14

VOUT1

C16

VccLDO

VSEN33

C15

LDrv1

3.3V

VOUT3

PGnd

VREF

Vp2

Fb1

IRU3046

VOUT2

Fb3

Sync

Comp1

Fb2

C17

Comp2

HDrv2

C18

R10

PGood

LDrv2

Gnd

C10

Figure 1 - Typical application of IRU3046 configured as 2-phase converter with current sharing.

PACKAGE ORDER INFORMATION

TA (°C)

DEVICE

PACKAGE

FREQUENCY

0 To 70

IRU3046CF

24-Pin Plastic TSSOP (F)

200-400KHz

Rev. 1.9

09/27/02

www.irf.com

12 3 4 5 6 7...20

中文翻译

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与IRU3046CFPBF相关器件

型号	品牌	获取价格	描述	数据表
IRU3047	INFINEON	获取价格	DUAL SYNCHRONOUS PWM CONTROLLER WITH CURRENT SHARING CIRCUITRY AND LDO CONTROLLER
IRU3047CW	INFINEON	获取价格	DUAL SYNCHRONOUS PWM CONTROLLER WITH CURRENT SHARING CIRCUITRY AND LDO CONTROLLER
IRU3047CWPBF	INFINEON	获取价格	暂无描述
IRU3047CWTR	INFINEON	获取价格	Dual Switching Controller, Voltage-mode, 0.5A, 220kHz Switching Freq-Max, PDSO20, PLASTIC,
IRU3048	INFINEON	获取价格	DUAL SYNCHRONOUS PWM CONTROLLER CIRCUITRY AND LDO CONTROLLER
IRU3048CF	INFINEON	获取价格	DUAL SYNCHRONOUS PWM CONTROLLER CIRCUITRY AND LDO CONTROLLER
IRU3048CFPBF	INFINEON	获取价格	Dual Switching Controller, Voltage-mode, 0.5A, 220kHz Switching Freq-Max, PDSO16, PLASTIC,
IRU3048CFTR	INFINEON	获取价格	暂无描述
IRU3048CS	INFINEON	获取价格	DUAL SYNCHRONOUS PWM CONTROLLER CIRCUITRY AND LDO CONTROLLER
IRU3048CSPBF	INFINEON	获取价格	Dual Switching Controller, Voltage-mode, 0.5A, 220kHz Switching Freq-Max, PDSO16, PLASTIC,

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