Datasheet > 电源电路 > 开关式稳压器或控制器> LX3005CDM-TR

LX3005CDM-TR

更新时间： 2024-11-29 11:40:47

品牌	Logo	应用领域
美高森美 - MICROSEMI		转换器稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数	文件大小	规格书
3页	102K
描述
2A STEP-DOWN CONVERTER

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中文翻译

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技术参数
数据手册

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LX3005CDM-TR 技术参数

生命周期：	Not Recommended	零件包装代码：	SOIC
包装说明：	SOP,	针数：	8
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.67
Is Samacsys：	N	其他特性：	ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8 TO 21V
模拟集成电路 - 其他类型：	SWITCHING REGULATOR	控制技术：	PULSE WIDTH MODULATION
最大输入电压：	25 V	最小输入电压：	4.75 V
JESD-30 代码：	R-PDSO-G8	JESD-609代码：	e3
功能数量：	1	端子数量：	8
最高工作温度：	85 °C	最低工作温度：
封装主体材料：	PLASTIC/EPOXY	封装代码：	SOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
认证状态：	Not Qualified	表面贴装：	YES
切换器配置：	BUCK	最大切换频率：	420 kHz
温度等级：	OTHER	端子面层：	MATTE TIN
端子形式：	GULL WING	端子位置：	DUAL
Base Number Matches：	1

LX3005CDM-TR 数据手册

LX3005

2A STEP-DOWN CONVERTER

PRODUCTION DATASHEET

D E S C R I P T I O N

420kHz fixed The LX3005 also features an enable

K E Y F E A T U R E S

The LX3005 is

 2A Constant Output Current

 130m R_DSONInternal Power MOSFET

 Up to 94% Efficiency

 Fixed 420kHz Frequency

 Wide 4.75V to 25V Input Voltage Range

frequency PWM buck (step-down) DC-DC function, internal circuitry for soft start,

converter, capable of driving a 2A load and protection schemes such as thermal

with high efficiency, low ripple and shutdown, over-current protection, and

excellent line and load regulation. The short-circuit protection. When OCP or

device operates over a wide input voltage SCP is triggered, the device operating

range of 4.75V to 25V, and the output frequency will be reduced from typically

voltage can be externally set from 0.8V to 420kHz to typically 40kHz, limiting the

a voltage near VIN, as the PWM control output power capability.

 Output Voltage Adjustable from 0.8V to

21V

 Built-in Thermal Shutdown Function

 Built-in Current Limit Function

 Built-in Soft-start Function

 Support Ceramic or Electrolytic

Capacitors

circuit is able to adjust the duty ratio

linearly from 0% to close to 100%.

The LX3005 serves as an ideal power

supply device for portable devices,

The LX3005 device integrates a especially for chipset power in portable

high-side low RDS_ONPMOS for a low systems. It’s widely used for PDVD, LCD

cost and high efficiency solution. An monitor and DPF chipset power sources.

 Pb-free and RoHS Compliant

internal transconductance error amplifier

The LX3005 is available in SOIC8

A P P L I C AT I O N S

is used in the control loop allowing package and is functional from an ambient

flexibility to compensate the system using temperature range of 0˚C to 85˚C.

an all ceramic capacitor system.

 Portable DVD

 LCD Monitor/LCD TV

 Digital Photo Frame

 ADSL

 Set-Top Box

IMPORTANT: : For the most current data, consult MICROSEMI’s website: http://www.microsemi.com

Patents Pending

P R O D U C T H I G H L I G H T

V_IN

VIN

V_OUT@ 2A

ON OFF

LX3005

C_IN

COMP

C_O

GND

R_C

C_C

PACKAGE ORDER INFO

T H E R M A L D A T A

Plastic SOIC 8-pin

RoHS Compliant / Pb-free



_JA= 100C/W

T_A(C)

THERMAL RESISTANCE-JUNCTION TO AMBIENT

Junction Temperature Calculation: T_J= T_A+ (P_Dx _JA).

The _JAnumbers are guidelines for the thermal performance of the

device/pc-board system. All of the above assume no ambient airflow.

0 to 85

LX3005CDM

Note: Available in Tape & Reel. Append the letters “TR” to the part number.

(i.e. LX3005CDM-TR)

Page 1

Rev.1.0, 2010-02-05

Microsemi

Analog Mixed Signal Group

11861 Western Avenue, Garden Grove, CA. 92841, 800-8776458, 714-898-8121, Fax: 714-893-2570

12 3

中文翻译

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与LX3005CDM-TR相关器件

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