Datasheet > LTM4604

LTM4604

更新时间： 2024-11-30 05:44:07

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
20页	302K
描述
Low Voltage, 4A DC/DC μModuleTM with Tracking

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中文翻译

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LTM4604 数据手册

LTM4604

Low Voltage, 4A DC/DC

µModule^TMwith Tracking

FEATURES

DESCRIPTION

TheLTM^®4604isacomplete4AswitchmodeDC/DCpower

supply. Included in the package are the switching control-

ler, power FETs, inductor and all support components.

Operating over an input voltage range of 2.375V to 5.5V,

the LTM4604 supports an output voltage range of 0.8V

to 5V, set by a single resistor. This high efﬁciency design

delivers up to 4A continuous current (5A peak). Only bulk

output capacitors are needed to complete the design.

■

Complete Standalone Power Supply

■

Wide Input Voltage Range: 2.375V to 5.5V

■

4A DC, 5A Peak Output Current

■

0.8V to 5V Output

■

Output Voltage Tracking

■

2% Total DC Error

UltraFast^TMTransient Response

■

Power Good Indicator

Current Mode Control

Current Foldback Protection, Parallel/Current Sharing

Up to 95% Efﬁciency

Programmable Soft-Start

Micropower Shutdown: I ≤ 7μA

Overtemperature Protection

■

The low proﬁle package (2.3mm) enables utilization of

unused space on the bottom of PC boards for high density

point of load regulation. High switching frequency and

a current mode architecture enable a very fast transient

response to line and load changes without sacriﬁcing

stability. The device supports output voltage tracking for

supply rail sequencing.

■

Small and Very Low Proﬁle Package:

15mm × 9mm × 2.3mm LGA

Fault protection features include foldback current protec-

tion, thermal shutdown and a programmable soft-start

function. The LTM4604 is offered in a space saving and

thermally enhanced 15mm × 9mm × 2.3mm LGA package

and is Pb free and RoHS compliant.

APPLICATIONS

■

Telecom and Networking Equipment

■

Servers

■

Storage Cards

ATCA Cards

, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.

μModule and UltraFast are trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

■

Industrial Equipment

TYPICAL APPLICATION

Efﬁciency vs Output Current

3.3V to 2.5V/4A μModule Regulator

100

= 3.3V

OUT

= 2.5V

3.3V

10μF

6.3V

2.5V

OUT

PGOOD

LTM4604

COMP

OUT

22μF

6.3V

RUN/SS TRACK

GND

×2

2.37k

4604 TA01a

OUTPUT CURRENT (A)

4604f

12 3 4 5 6 7...20

中文翻译

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与LTM4604相关器件

型号	品牌	获取价格	描述	数据表
LTM4604A	Linear	获取价格	Low Voltage, 4A DC/DC μModule with Tracking
LTM4604A	ADI	获取价格	具跟踪功能的低电压、4A DC/DC μModule 稳压器
LTM4604AEV-PBF	Linear	获取价格	Low Voltage, 4A DC/DC μModule with Tracking
LTM4604AIV-PBF	Linear	获取价格	Low Voltage, 4A DC/DC μModule with Tracking
LTM4604EV#PBF	Linear	获取价格	LTM4604 - Low Voltage, 4A DC/DC µModule (Power Module) Regulator with Tracking; P
LTM4604EV-PBF	Linear	获取价格	Low Voltage, 4A DC/DC μModuleTM with Tracking
LTM4604IV-PBF	Linear	获取价格	Low Voltage, 4A DC/DC μModuleTM with Tracking
LTM4604V	Linear	获取价格	Low Voltage, 4A DC/DC μModuleTM with Tracking
LTM4605	Linear	获取价格	High Effi ciency Buck-Boost DC/DC μModule
LTM4605	Linear Systems	获取价格	High Effi ciency, Synchronous, 4-Switch Buck-Boost Controller

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