LX3005

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
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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数据手册

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LX3005 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LX3005相关器件

型号	品牌	获取价格	描述	数据表
LX3005CDM	MICROSEMI	获取价格	2A STEP-DOWN CONVERTER
LX3005CDM-TR	MICROSEMI	获取价格	2A STEP-DOWN CONVERTER
LX3044	ETC	获取价格	GaAs PIN Photo Detectors
LX3045	ETC	获取价格	GaAs PIN Photo Detectors
LX3046	ETC	获取价格	GaAs PIN Photo Detectors
LX3050	ETC	获取价格	InGaAs/InP PIN Photo Detectors
LX3051	ETC	获取价格	InGaAs/InP PIN Photo Detectors
LX3052	ETC	获取价格	InGaAs/InP PIN Photo Detectors
LX3055	MICROSEMI	获取价格	Photodiode Detector, 1310nm Min, 1550nm Max, 3125Mbps, Surface Mount
LX321	DIODES	获取价格	0.9V~1.5V, 3.2x2.5mm, Low Vdd CMOS Crystal Oscillator

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