Datasheet > LTM4604A

LTM4604A

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	358K
描述
Low Voltage, 4A DC/DC μModule with Tracking

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中文翻译

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LTM4604A 数据手册

LTM4604A

Low Voltage, 4A DC/DC

µModule with Tracking

FEATURES

DESCRIPTION

The LTM^®4604A is a complete 4A switch mode DC/DC

power supply with 1.75% total output voltage error.

Includedinthepackagearetheswitchingcontroller,power

FETs,inductorandallsupportcomponents.Operatingover

an input voltage range of 2.375V to 5.5V, the LTM4604A

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 capaci-

tors are needed to complete the design.

■

Complete Standalone Power Supply

■

1.75% Total DC Output Error (–40°C to 125°C)

■

Wide Input Voltage Range: 2.375V to 5.5V

■

4A DC, 5A Peak Output Current

■

0.8V to 5V Output

■

Output Voltage Tracking

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 0.630mm LGA pads with 1.27mm pitch simplify

PCB layout by providing standard trace routing and via

placement. (The LTM4604A has smaller pads than the

LTM4604.) 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.

■

Small and Very Low Proﬁle Package:

15mm × 9mm × 2.3mm LGA (0.630mm Pads)

APPLICATIONS

■

Telecom and Networking Equipment

Fault protection features include foldback current protec-

tion, thermal shutdown and a programmable soft-start

function. The LTM4604A is offered in a small thermally

enhanced 15mm × 9mm × 2.3mm LGA package and is

Pb free and RoHS compliant.

■

Servers

■

Storage Cards

ATCA Cards

Industrial Equipment

■

, 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.

TYPICAL APPLICATION

Efﬁciency vs Output Current

100

3.3V to 2.5V/4A μModule™ Regulator

= 3.3V

OUT

= 2.5V

3.3V

10μF

6.3V

2.5V

OUT

PGOOD

LTM4604A

COMP

OUT

22μF

6.3V

RUN/SS TRACK

GND

×2

2.37k

4604A TA01a

OUTPUT CURRENT (A)

4604A TA01b

4604af

12 3 4 5 6 7...20

中文翻译

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与LTM4604A相关器件

型号	品牌	获取价格	描述	数据表
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
LTM4605	ADI	获取价格	高效率、降压-升压型 DC/DC μModule 稳压器
LTM4605EV#PBF	Linear	获取价格	LTM4605 - High Efficiency Buck-Boost DC/DC µModule (Power Module) Regulator; Pack

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