Datasheet > MIC5249-3.3BMM-TR

MIC5249-3.3BMM-TR

更新时间： 2024-11-24 05:45:55

品牌	Logo	应用领域
美国微芯 - MICROCHIP		输出元件调节器
页数	文件大小	规格书
7页	167K
描述
FIXED POSITIVE LDO REGULATOR

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技术参数
数据手册

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MIC5249-3.3BMM-TR 技术参数

生命周期：	Active	包装说明：	,
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.56
调节器类型：	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

MIC5249-3.3BMM-TR 数据手册

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MIC5249

300mA µCap LDO with Programmable Power-On

Reset Delay

General Description

Features

The MIC5249 is an efficient, precise 300mA CMOS

voltage regulator with power-on reset delay which can be

implemented via an external capacitor. It offers 1% initial

accuracy, extremely-low-dropout voltage (typically 400mV

@ 300mA), and low ground current (typically 85mA) over

load.

• 300mA output current

• High PSRR: 65dB@120Hz

• Stable with ceramic output capacitor

• Power-on RESET output with adjustable delay time

• High output accuracy:

–

±1.0% initial accuracy

±3.0% over temperature

Designed specifically for noise-critical applications in hand-

held or battery-powered devices, the MIC5249 comes

equipped with a noise reduction feature to filter the output

noise via an external capacitor. Other features of the

MIC5249 include a logic compatible enable pin, current

limit, thermal shutdown, ultra-fast transient response, and

an active clamp to speed up device turnoff.

• Low dropout voltage of 400mV @ 300mA

• Low quiescent current: 85µA

• Zero current shutdown mode

• Thermal shutdown protection

• Current-limit protection

The MIC5249 also works with low-ESR ceramic

capacitors, reducing the amount of board space necessary

for power applications, critical in hand-held wireless

devices.

• Tiny MSOP-8 package

Applications

The MIC5249 is available in the MSOP-8 package.

• Cellular phones

• PDAs

• Fiber optic modules

Data sheets and support documentation can be found on

Micrel’s web site at www.micrel.com.

Typical Application

Ultra-Low Noise Application

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

M9999-090806

September 2006

12 3 4 5 6 7

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与MIC5249-3.3BMM-TR相关器件

型号	品牌	获取价格	描述	数据表
MIC5249-3.3YMM	MICREL	获取价格	300mA μCap LDO with Programmable Power-On Res
MIC5249-3.3YMMTR	MICROCHIP	获取价格	3.3V FIXED POSITIVE LDO REGULATOR, 0.6V DROPOUT, PDSO8, LEAD FREE, MSOP-8
MIC5250	MICREL	获取价格	Dual 150mA レCap CMOS LDO Regulator Preliminar
MIC5250_03	MICREL	获取价格	Dual 150mA μCap CMOS LDO Regulator
MIC5250-2.7BMM	MICREL	获取价格	Dual 150mA レCap CMOS LDO Regulator Preliminar
MIC5250-2.7BMM	MICROCHIP	获取价格	Fixed Positive LDO Regulator, 2 Output, 2.7V1, 2.7V2, CMOS, PDSO10, MSOP-10
MIC5250-2.8BMM	MICREL	获取价格	Dual 150mA レCap CMOS LDO Regulator Preliminar
MIC5250-2.8BMM	MICROCHIP	获取价格	Fixed Positive LDO Regulator, 2 Output, 2.8V1, 2.8V2, CMOS, PDSO10, MSOP-10
MIC5250-3.0BMM	MICREL	获取价格	Dual 150mA レCap CMOS LDO Regulator Preliminar
MIC5250-3.0BMM	MICROCHIP	获取价格	Fixed Positive LDO Regulator, 2 Output, 3V1, 3V2, CMOS, PDSO10, MSOP-10

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