Datasheet > MIC5253-2.9BC5

MIC5253-2.9BC5

更新时间： 2024-11-25 22:11:07

品牌	Logo	应用领域
麦瑞 - MICREL		/
页数	文件大小	规格书
9页	79K
描述
100mA Low Noise UCap Teeny LDO

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MIC5253-2.9BC5 数据手册

MIC5253

Micrel

MIC5253

100mA Low Noise µCap Teeny™ LDO

General Description

Features

The MIC5253 is an efficient, CMOS voltage regulator opti-

mized for ultra-low-noise applications. It offers 1.5% initial

accuracy, extremely low dropout voltage (165mV at 100mA),

and low ground current (typically 95µA at full load). The

MIC5253 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 5.5V

• Teeny™ SC-70-5 package

• Ultra-low output noise: 30µV(rms)

• 100mA continuous output current, 150mA peak current

• Stability with ceramic output capacitors

• Ultralow dropout: 165mV @ 100mA

• High output accuracy:

1.5% initial accuracy

3.0% over temperature

• Low ground current: 95µA

• TTL-Logic-controlled enable input

• “Zero” off-mode current

• Thermal shutdown and current limit protection

Designed specifically for handheld and battery-powered de-

vices, the MIC5253 provides a TTL-logic-compatible enable

pin.Whendisabled,powerconsumptiondropsnearlytozero.

The MIC5253 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

Available in the Teeny™ SC-70-5 package, the MIC5253

offers a wide range of output voltages. Key features include

current limit, thermal shutdown, faster transient response,

and an active clamp to speed up device turn-off.

Ordering Information

Part Number

Marking Voltage Junction Temp. Range*

Package

SC-70-5

MIC5253-1.8BC5

MIC5253-1.85BC5

MIC5253-2.6BC5

MIC5253-2.9BC5

MIC5253-3.0BC5

MIC5253-3.3BC5

LCN

L71J

LCP

L729

LCG

L733

1.8V

1.85V

2.6V

2.9V

3.0V

3.3V

–40°C to +125°C

Other voltages available. Contact Micrel for details.

Typical Application

MIC5253-x.xBC5

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

Teeny is a trademark of Micrel, Inc.

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

M9999-081804

August 2004

12 3 4 5 6 7...9

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与MIC5253-2.9BC5相关器件

型号	品牌	获取价格	描述	数据表
MIC5253-2.9BC5TR	MICROCHIP	获取价格	2.9V FIXED POSITIVE LDO REGULATOR, 0.3V DROPOUT, PDSO5, SC-70, 5 PIN
MIC5253-2.9BC5-TR	MICROCHIP	获取价格	2.9V FIXED POSITIVE LDO REGULATOR, 0.3V DROPOUT, PDSO5
MIC5253-2.9YC5	MICREL	获取价格	100mA Low Noise Î¼Cap Teenyâ¢ LDO
MIC5253-2.9YC5TR	MICROCHIP	获取价格	2.9V FIXED POSITIVE LDO REGULATOR, 0.3V DROPOUT, PDSO5, LEAD FREE, SC-70, 5 PIN
MIC5253-2.9YC5-TR	MICROCHIP	获取价格	2.9V FIXED POSITIVE LDO REGULATOR, 0.3V DROPOUT, PDSO5
MIC5253-3.0BC5	MICREL	获取价格	100mA Low Noise UCap Teeny LDO
MIC5253-3.0BC5	MICROCHIP	获取价格	Fixed Positive LDO Regulator, 3V, 0.3V Dropout, CMOS, PDSO5, SC-70, 5 PIN
MIC5253-3.0BC5TR	MICREL	获取价格	Fixed Positive LDO Regulator, 3V, 0.3V Dropout, CMOS, PDSO5, SC-70, 5 PIN
MIC5253-3.0BC5TR	MICROCHIP	获取价格	Fixed Positive LDO Regulator, 3V, 0.3V Dropout, CMOS, PDSO5, SC-70, 5 PIN
MIC5253-3.0YC5	MICREL	获取价格	100mA Low Noise Î¼Cap Teenyâ¢ LDO

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