Datasheet > MIC5247_06

MIC5247_06

更新时间： 2024-09-13 10:56:47

品牌	Logo	应用领域
麦瑞 - MICREL		稳压器
页数	文件大小	规格书
11页	321K
描述
150mA Low-Voltage μCap Linear Regulator

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MIC5247_06 数据手册

MIC5247

Micrel, Inc.

MIC5247

150mA Low-Voltage µCap Linear Regulator

General Description

Features

The MIC5247 is an efﬁcient and precise, low-voltage CMOS

voltage regulator optimized for ultra-low noise applications.

The MIC5247 offers better than 1% initial accuracy and

85µA constant ground current over load (typically 85µA).

The MIC5247 provides a very low-noise output, ideal for

RF applications where quiet voltage sources are required.

A noise bypass pin is also available for further reduction of

output noise.

• Ultra-low noise

• Low-voltage outputs

• Load independent, ultra-low ground current: 85µA

• 150mA output current

• Current limiting

• Thermal shutdown

• Tight load and line regulation

• “Zero” off-mode current

• Stability with low-ESR capacitors

• Fast transient response

• Logic-controlled enable input

Designed speciﬁcally for handheld and battery-powered de-

vices, the MIC5247 provides a logic compatible enable pin.

When disabled, power consumption drops nearly to zero.

The MIC5247 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

Key features include current limit, thermal shutdown, a push-

pull output for faster transient response, and an active clamp

to speed up device turnoff.Available in the 6-pin 2mm × 2mm

• Battery-powered equipment

• Laptop, notebook, and palmtop computers

• PCMCIA V and V regulation/switching

MLF™ package and the IttyBitty SOT-23-5 package, the

• Consumer/personal electronics

MIC5247 also offers a range of ﬁxed output voltages.

• SMPS post-regulator/DC-to-DC modules

• High-efﬁciency linear power supplies

All support documentation can be found on Micrel’s web site

at www.micrel.com.

Typical Application

V_OUT

C_OUT

V_IN

MIC5247-x.xBM5

V_IN

V_OUT

C_OUT

MIC5247-x.xBML

ENABLE

SHUTDOWN

C_BYP

(optional)

Enable

Shutdown

C_BYP

(optional)

EN (pin 3) may be

connected directly

to IN (pin 1).

Ultra-Low-Noise Regulator 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

M9999-022406

February 2006

12 3 4 5 6 7...11

中文翻译

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与MIC5247_06相关器件

型号	品牌	获取价格	描述	数据表
MIC5247-1.5BM5	MICREL	获取价格	150mA Low-Voltage レCap Linear Regulator Preli
MIC5247-1.5BM5	ROCHESTER	获取价格	1.5V FIXED POSITIVE LDO REGULATOR, PDSO5, SOT-23, 5 PIN
MIC5247-1.5BM5	MICROCHIP	获取价格	Fixed Positive LDO Regulator, 1.5V, CMOS, PDSO5, SOT-23, 5 PIN
MIC5247-1.5BM5TR	MICROCHIP	获取价格	Fixed Positive LDO Regulator, 1.5V, CMOS, PDSO5, SOT-23, 5 PIN
MIC5247-1.5BML	MICREL	获取价格	150mA Low-Voltage μCap Linear Regulator
MIC5247-1.5BML	MICROCHIP	获取价格	Fixed Positive LDO Regulator, 1.5V, CMOS, PDSO6, 2 X 2 MM, MLF-6
MIC5247-1.5BMLTR	MICROCHIP	获取价格	暂无描述
MIC5247-1.5YM5	MICREL	获取价格	150mA Low-Voltage μCap Linear Regulator
MIC5247-1.5YM5	MICROCHIP	获取价格	1.5V FIXED POSITIVE LDO REGULATOR, PDSO5
MIC5247-1.5YM5TR	MICREL	获取价格	暂无描述

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