MIC5255-2.7BD5TR

更新时间： 2024-11-23 12:59:15

品牌	Logo	应用领域
麦瑞 - MICREL		调节器光电二极管输出元件
页数	文件大小	规格书
13页	949K
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MIC5255-2.7BD5TR 数据手册

MIC5255

150mA Low Noise µCap CMOS LDO

General Description

Features

The MIC5255 is an efficient, precise CMOS voltage

regulator optimized for ultra-low-noise applications. It

offers 1% initial accuracy, extremely-low dropout voltage

(135mV at 150mA) and low ground current (typically

90µA). The MIC5255 provides a very-low-noise output,

ideal for RF applications where a clean voltage source is

required. A noise bypass pin is also available for further

reduction of output noise.

• Input voltage range: 2.7V to 6.0V

• Thin SOT package: 1mm height SOT-23-5

• Ultra-low output noise: 30µV(rms)

• Stability with ceramic output capacitors

• Ultra-low dropout: 135mV @ 150mA

• High output accuracy:

–

1.0% initial accuracy

2.0% over temperature

Designed speciﬁcally for handheld and battery-powered

devices, the MIC5255 provides a TTL-logic-compatible en-

able pin. When disabled, power consumption drops nearly

to zero.

• Low quiescent current: 90µA

• Tight load and line regulation

• TTL-Logic-controlled enable input

• “Zero” off-mode current

The MIC5255 also works with low-ESR ceramic

capacitors, reducing the amount of board space necessary

for power applications, critical in handheld wireless

devices.

• Thermal shutdown and current limit protection

Key features include current limit, thermal shutdown, faster

transient response, and an active clamp to speed up

device turn-off. Available in the 6-pin 2mm × 2mm MLF^®

package, the IttyBitty^®SOT-23-5 package and the new

Thin SOT-23-5, which offers the same footprint as the

standard IttyBitty^®SOT-23-5, but only 1mm tall. The

MIC5255 offers a range of output voltages.

Applications

• Cellular phones and pagers

• Cellular accessories

• Battery-powered equipment

• Laptop, notebook, and palmtop computers

• Consumer/personal electronics

Data sheets and support documentation can be found on

Micrel’s web site at www.micrel.com.

___________________________________________________________________________________________________________

Typical Application

MIC5255-x.x_M5

V_IN

V_OUT

C_IN= 1.0µF

Ceramic

C_OUT= 1.0µF

Ceramic

Enable

Shutdown

EN (pin 3) may be

connected directly

to IN (pin 1).

_BYP= 0.01µF

Ultra-Low-Noise Regulator Application

IttyBitty is a registered trademark of Micrel, Inc

MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc.

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

M9999-110906

November 2006

12 3 4 5 6 7...13

中文翻译

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与MIC5255-2.7BD5TR相关器件

型号	品牌	获取价格	描述	数据表
MIC5255-2.7BM5	MICREL	获取价格	150mA Low Noise UCap CMOS LDO
MIC5255-2.7BM5TR	ROCHESTER	获取价格	2.7 V FIXED POSITIVE LDO REGULATOR, 0.25 V DROPOUT, PDSO5, SOT-23, 5 PIN
MIC5255-2.7YD5	MICREL	获取价格	150mA Low Noise UCap CMOS LDO
MIC5255-2.7YD5-TR	MICROCHIP	获取价格	2.7V FIXED POSITIVE LDO REGULATOR, 0.25V DROPOUT, PDSO5
MIC5255-2.7YM5	MICREL	获取价格	150mA Low Noise UCap CMOS LDO
MIC5255-2.85BD5	MICREL	获取价格	150mA Low Noise UCap CMOS LDO
MIC5255-2.85BD5TR	MICREL	获取价格	暂无描述
MIC5255-2.85BM5	MICREL	获取价格	150mA Low Noise UCap CMOS LDO
MIC5255-2.85BML	MICREL	获取价格	150mA Low Noise μCap CMOS LDO
MIC5255-2.85BMLTR	MICREL	获取价格	暂无描述

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