Datasheet > LTM4618

LTM4618

更新时间： 2023-12-20 18:46:18

品牌	Logo	应用领域
亚德诺 - ADI		稳压器
页数	文件大小	规格书
26页	619K
描述
具跟踪和频率同步功能的 6A DC/DC μModule 稳压器

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中文翻译

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数据手册

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LTM4618 数据手册

LTM4618

6A DC/DC µModule

Regulator with Tracking and

Frequency Synchronization

FeaTures

DescripTion

The LTM^®4618 is a complete 6A output switch mode

DC/DC power supply. Included in the package are the

switching controller, power FETs, inductor and all support

components. Operating over an input voltage range of

4.5V to 26.5V, the LTM4618 supports an output voltage

range of 0.8V to 5V set by a single external resistor. Its

high efﬁciency design delivers 6A continuous current (8A

peak). Only a few input and output capacitors are needed.

Complete Standalone Power Supply

Wide Input Voltage Range: 4.5V to 26.5V

6A DC Typical, 8A Peak Output Current

0.8V to 5V Output

Output Voltage Tracking

±±.ꢀ5ꢁ Maꢂimum Total DC Error

Current Mode Control/Fast Transient Response

Phase-Lockable Fiꢂed Frequency 250kHz to ꢀ80kHz

On-Board Frequency Synchronization

Highswitchingfrequencyandacurrentmodearchitecture

enable a very fast transient response to line and load

changes without sacriﬁcing stability. The device supports

frequencysynchronizationandoutputvoltagetrackingfor

supply rail sequencing. Burst Mode operation or pulse-

skipping mode can be selected for light load conditions.

Selectable Burst Mode^®Operation

Power Good Voltage Indicator

Output Overvoltage Protection

Output Current Foldback Limiting

9mm × 15mm × 4.32mm LGA and

9mm × 15mm × 4.92mm BGA Packages

Fault protection features include overvoltage protection,

overcurrent protection and foldback current limit for

short-circuit protection.

applicaTions

Telecom and Networking Equipment

The LTM4618 is offered in 9mm × 15mm × 4.32mm LGA

and 9mm × 15mm × 4.92mm BGA packages with RoHS

compliant terminal ﬁnish.

L, LT, LTC, LTM, Linear Technology, the Linear logo, Burst Mode and µModule are registered

trademarks and LTpowerCAD is a trademark of Linear Technology Corporation. All other

trademarks are the property of their respective owners.

Servers

Storage Cards

ATCA Cards

Industrial Equipment

Point of Load Regulation

Medical Systems

Typical applicaTion

2.5V/6A DC/DC Power µModule^®with 6V to 26.5V Input

Efﬁciency and Power Loss vs Load Current

3.0

2.5

2.0

1.5

1.0

0.5

EFFICIENCY

MODE/PLLIN INTV

EXTV

FREQ

6V to 26.5V

OUT

2.5V/6A

COMP

TK/SS

RUN

OUT

LTM4618

OUT

0.1µF

28k

PGOOD

POWER LOSS

SGND

PGND

4618 TA01

12V TO 2.5V

OUT

24V TO 2.5V

LOAD CURRENT (A)

4618 TA01b

4618fb

For more information www.linear.com/LTM4618

12 3 4 5 6 7...26

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与LTM4618相关器件

型号	品牌	获取价格	描述	数据表
LTM4618EVPBF	Linear	获取价格	6A DC/DC μModule Regulator with Tracking and
LTM4618IVPBF	Linear	获取价格	6A DC/DC μModule Regulator with Tracking and
LTM4618V	Linear	获取价格	6A DC/DC μModule Regulator with Tracking and
LTM4619	Linear	获取价格	Dual, 26VIN, 4A DC/DC μModule Regulator
LTM4619	LINEAR_DIMENSIONS	获取价格	Dual 8A or Single 16A DC/DC Î¼Module Regulato
LTM4619	ADI	获取价格	双通道、26VIN、4A DC/DC μModule 转换器
LTM4619EV	Linear	获取价格	Dual, 26VIN, 4A DC/DC μModule Regulator
LTM4619EV#PBF	Linear	获取价格	LTM4619 - Dual, 26VIN, 4A DC/DC µModule (Power Module) Regulator; Package: LGA; P
LTM4619EVPBF	Linear	获取价格	Dual, 26VIN, 4A DC/DC μModule Regulator
LTM4619IV	Linear	获取价格	Dual, 26VIN, 4A DC/DC μModule Regulator

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