Datasheet > MIC5246

MIC5246

更新时间： 2024-02-02 07:45:28

品牌	Logo	应用领域
麦瑞 - MICREL		稳压器
页数	文件大小	规格书
12页	60K
描述
150mA レCap CMOS LDO Regulator Preliminary Information

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MIC5246 数据手册

MIC5246

Micrel

MIC5246

150mA µCap CMOS LDO Regulator

Preliminary Information

General Description

Features

The MIC5246 is an efficient, precise CMOS voltage regulator

optimized for low-noise applications. The MIC5246 offers

better than 1% initial accuracy, extremely-low-dropout volt-

age (typically 150mV at 150mA) and constant ground current

(typically 85µA)over load . The MIC5246 features an error

flagthatindicatesanoutputfaultconditionsuchasovercurrent,

thermalshutdownanddropout.TheMIC5246providesavery

low noise output, ideal for RF applications where quiet

voltage sources are required.

• Error flag indicates fault condition

• Ultralow dropout—100mV @ 100mA

• Load independent, ultralow 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

Designed specifically for hand-held and battery-powered

devices, the MIC5246 provides a TTL-logic-compatible en-

able pin. When disabled, power consumption drops nearly to

zero.

• TTL-Logic-controlled enable input

Applications

• Cellular phones and pagers

• Cellular accessories

• Battery-powered equipment

The MIC5246 also works with low-ESR ceramic capacitors,

reducing the amount of board space necessary for power

applications, critical in hand-held wireless devices.

• Laptop, notebook, and palmtop computers

• PCMCIA V and V regulation/switching

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

pull output for faster transient response, and an active clamp

tospeedupdeviceturnoff.AvailableintheIttyBitty™SOT-23-5

package, the MIC5246 also offers a range of fixed output

voltages.

• Consumer/personal electronics

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

• High-efficiency linear power supplies

Ordering Information

Part Number

Marking Voltage

Junction Temp. Range

–40°C to +125°C

Package

MIC5246-2.6BM5

MIC5246-2.7BM5

MIC5246-2.8BM5

MIC5246-2.85BM5

MIC5246-3.0BM5

MIC5246-3.3BM5

LT26

LT27

LT28

LT2J

LT30

LT33

2.6V

2.7V

2.8V

2.85V

3.0V

3.3V

SOT-23-5

Other voltages available. Contact Micrel for details.

Typical Application

47kΩ

MIC5246-x.xBM5

V_IN

V_OUT

C_OUT

Enable

Shutdown

FLG

C_FLG

EN (pin 3) may be

connected directly

to IN (pin 1).

Low-Noise Regulator Application

IttyBitty is a trademark of Micrel, Inc.

Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com

June 2000

MIC5246

12 3 4 5 6 7...12

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与MIC5246相关器件

型号	品牌	获取价格	描述	数据表
MIC5246_02	MICREL	获取价格	150mA μCap CMOS LDO Regulator
MIC5246-2.6BM5	MICREL	获取价格	150mA レCap CMOS LDO Regulator Preliminary Inf
MIC5246-2.6BM5TR	MICREL	获取价格	Fixed Positive LDO Regulator, 2.6V, 0.25V Dropout, CMOS, PDSO5, SOT-23, 5 PIN
MIC5246-2.7BM5	MICREL	获取价格	150mA レCap CMOS LDO Regulator Preliminary Inf
MIC5246-2.85BM5	MICREL	获取价格	150mA レCap CMOS LDO Regulator Preliminary Inf
MIC5246-2.8BM5	MICREL	获取价格	150mA レCap CMOS LDO Regulator Preliminary Inf
MIC5246-3.0BM5	MICREL	获取价格	150mA レCap CMOS LDO Regulator Preliminary Inf
MIC5246-3.3BM5	MICREL	获取价格	150mA レCap CMOS LDO Regulator Preliminary Inf
MIC5247	MICREL	获取价格	150mA Low-Voltage レCap Linear Regulator Preli
MIC5247	MICROCHIP	获取价格	The MIC5247 is an efficient and precise, low-voltage CMOS voltage regulator optimized fo

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