Datasheet > MIC5252-2.8YML

MIC5252-2.8YML

更新时间： 2024-11-23 07:17:03

品牌	Logo	应用领域
麦瑞 - MICREL		调节器输出元件
页数	文件大小	规格书
9页	645K
描述
150mA High PSRR, Low Noise μCap CMOS LDO

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中文翻译

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MIC5252-2.8YML 数据手册

MIC5252

Micrel, Inc.

MIC5252

150mA High PSRR, Low Noise µCap CMOS LDO

General Description

Features

The MIC5252 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 MIC5252

provides a very-low-noise output, ideal for RF applications

where a clean voltage source is required. The MIC5252 has

a high PSRR even at low supply voltages, critical for battery

operated electronics. Anoise bypass pin is also available for

further reduction of output noise.

• Input voltage range: 2.7V to 6.0V

• PSRR = 50dB @ V + 0.3V

• 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

• Low quiescent current: 90µA

• Tight load and line regulation

• TTL-Logic-controlled enable input

• “Zero” off-mode current

Designed speciﬁcally for handheld and battery-powered

devices, the MIC5252 provides a TTL-logic-compatible en-

able pin. When disabled, power consumption drops nearly

to zero.

• Thermal shutdown and current limit protection

The MIC5252 also works with low-ESR ceramic capacitors,

reducing the amount of board space necessary for power

applications, critical in handheld wireless devices.

Applications

• Cellular phones and pagers

• Cellular accessories

• Battery-powered equipment

• Laptop, notebook, and palmtop computers

• Consumer/personal electronics

Key features include current limit, thermal shutdown, faster

transient response, and an active clamp to speed up device

turn-off. The MIC5252 is available in the 6-pin 2mm × 2mm

MLF™ package and the IttyBitty® SOT-23-5 package in a

wide range of output voltages.

Typical Application

V_OUT

C_OUT

V_IN

MIC5252-x.xBM5

MIC5252-x.xBML

V_IN

V_OUT

C_IN= 1.0µF

ENABLE

SHUTDOWN

Ceramic

C_BYP

(optional)

C_OUT= 1.0µF

Ceramic

Enable

Shutdown

EN (pin 3) may be

connected directly

to IN (pin 1).

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

M9999-020305

February 2005

12 3 4 5 6 7...9

中文翻译

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与MIC5252-2.8YML相关器件

型号	品牌	获取价格	描述	数据表
MIC5252-2.8YMLTR	ROCHESTER	获取价格	2.8 V FIXED POSITIVE LDO REGULATOR, 0.25 V DROPOUT, PDSO6, 2 X 2 MM, LEAD FREE, MLF-6
MIC5252-3.0BM5	MICREL	获取价格	150MA HIGH PSRR LOW NOISE UCAP CMOS LDO
MIC5252-3.0BM5TR	ROCHESTER	获取价格	3 V FIXED POSITIVE LDO REGULATOR, 0.25 V DROPOUT, PDSO5, SOT-23, 5 PIN
MIC5252-3.0BML	MICREL	获取价格	150MA HIGH PSRR LOW NOISE UCAP CMOS LDO
MIC5252-3.0BMLTR	MICREL	获取价格	Fixed Positive LDO Regulator, 3V, 0.25V Dropout, CMOS, PDSO6, 2 X 2 MM, MLF-6
MIC5252-3.0YM5	MICREL	获取价格	150mA High PSRR, Low Noise μCap CMOS LDO
MIC5252-3.0YM5	ROCHESTER	获取价格	3V FIXED POSITIVE LDO REGULATOR, 0.25V DROPOUT, PDSO5, LEAD FREE, SOT-23, 5 PIN
MIC5252-3.0YM5TR	MICREL	获取价格	暂无描述
MIC5252-3.0YML	MICREL	获取价格	150mA High PSRR, Low Noise μCap CMOS LDO
MIC5252-3.0YMLTR	MICREL	获取价格	3V FIXED POSITIVE LDO REGULATOR, 0.25V DROPOUT, PDSO6, 2 X 2 MM, LEAD FREE, MLF-6

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