MIC5255-2.85BD5TR

更新时间： 2024-11-23 13:11:31

品牌	Logo	应用领域
麦瑞 - MICREL		线性稳压器IC 调节器电源电路光电二极管输出元件
页数	文件大小	规格书
11页	131K
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MIC5255

Micrel

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 pro-

vides 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 de-

vices, the MIC5255 provides a TTL-logic-compatible enable

pin.Whendisabled,powerconsumptiondropsnearlytozero.

• 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

All support documentation can be found on Micrel’s web

site at www.micrel.com.

Typical Application

MIC5255-x.xBM5

V_OUT

V_IN

V_OUT

_IN= 1.0µF

Ceramic

MIC5255-x.xBML

ENABLE

SHUTDOWN

C_OUT

C_BYP

(optional)

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.

MicroLeadFrame and MLF are trademarks of Amkor Technology.

Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000• http://www.micrel.com

M0385-080204

August, 2004

12 3 4 5 6 7...11

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与MIC5255-2.85BD5TR相关器件

型号	品牌	获取价格	描述	数据表
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
MIC5255-2.85YD5	MICREL	获取价格	150mA Low Noise UCap CMOS LDO
MIC5255-2.85YD5-TR	MICROCHIP	获取价格	2.85V FIXED POSITIVE LDO REGULATOR, 0.25V DROPOUT, PDSO5
MIC5255-2.85YM5	MICREL	获取价格	150mA Low Noise UCap CMOS LDO
MIC5255-2.85YM5TR	ROCHESTER	获取价格	2.85 V FIXED POSITIVE LDO REGULATOR, 0.25 V DROPOUT, PDSO5, LEAD FREE, SOT-23, 5 PIN
MIC5255-2.85YM5-TR	MICROCHIP	获取价格	2.85V FIXED POSITIVE LDO REGULATOR, 0.25V DROPOUT, PDSO5
MIC5255-2.85YML	MICREL	获取价格	150mA Low Noise μCap CMOS LDO
MIC5255-2.85YMLTR	MICREL	获取价格	2.85V FIXED POSITIVE LDO REGULATOR, 0.25V DROPOUT, PDSO6, 2 X 2 MM, LEAD FREE, MLF-6

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