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MIC29371-3.3BU

更新时间： 2024-11-21 22:54:51

品牌	Logo	应用领域
麦瑞 - MICREL		稳压器
页数	文件大小	规格书
9页	131K
描述
750mA Low-Dropout Voltage Regulator

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中文翻译

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数据手册
替代型号

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MIC29371-3.3BU 数据手册

MIC2937A/29371/29372

Micrel

MIC2937A/29371/29372

750mA Low-Dropout Voltage Regulator

General Description

Features

•

High output voltage accuracy

Guaranteed 750mA output

Low quiescent current

The MIC2937A family are “bulletproof” efficient voltage

regulators with very low dropout voltage (typically 40mV at

light loads and 300mV at 500mA), and very low quiescent

current(160µAtypical).ThequiescentcurrentoftheMIC2937A

increases only slightly in dropout, thus prolonging battery life.

Key MIC2937A features include protection against reversed

battery,fold-backcurrentlimiting,andautomotive“loaddump”

protection (60V positive transient).

Low dropout voltage

Extremely tight load and line regulation

Very low temperature coefficient

Current and thermal limiting

Input can withstand –20V reverse battery and +60V

positive transients

The MIC2937 is available in several configurations. The

MIC2937A-xx devices are three pin fixed voltage regulators

with 3.3V, 5V, and 12V outputs available. The MIC29371 is a

fixed regulator offering logic compatible ON/OFF switching

input and an error flag output. This flag may also be used as

a power-on reset signal. A logic-compatible shutdown input is

provided on the adjustable MIC29372, which enables the

regulator to be switched on and off.

•

Error flag warns of output dropout

Logic-controlled electronic shutdown

Output programmable from 1.24V to 26V(MIC29372)

Available in TO-220, TO-263, TO-220-5, and TO-263-5

packages.

Applications

•

Battery Powered Equipment

Cellular Telephones

Laptop, Notebook, and Palmtop Computers

PCMCIA V_CCand V_PPRegulation/Switching

Bar Code Scanners

Automotive Electronics

SMPS Post-Regulator/ DC to DC Modules

High Efficiency Linear Power Supplies

Pin Configuration

2 3 4 5

INPUT GROUND OUTPUT

TO-263-5 Package

(MIC29371/29372BU)

TO-263 Package

(MIC2937A-xxBU)

Five Lead Package Pin Functions:

MIC29371 MIC29372

1) Error

2) Input

3) Ground

4) Output

5) Shutdown Output

Adjust

2 3 4 5

Shutdown

Ground

Input

Front View

INPUT GROUND OUTPUT

TO-220 Package

(MIC2937A-xxBT)

TO-220-5 Package

(MIC29371/29372BT)

The TAB is Ground on the TO-220 and TO-263 packages.

3-18

October 1999

12 3 4 5 6 7...9

中文翻译

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MIC29371-3.3BU 替代型号

型号	品牌	替代类型	描述	数据表
LM2937ES-10/NOPB	TI	功能相似	LM2937 500 mA Low Dropout Regulator
LM2937IMPX-15/NOPB	TI	功能相似	LM2937 500 mA Low Dropout Regulator
LM2937ES-10	TI	功能相似	LM2937 500 mA Low Dropout Regulator

与MIC29371-3.3BU相关器件

型号	品牌	获取价格	描述	数据表
MIC29371-3.3BUT&R	MICROCHIP	获取价格	Fixed Positive LDO Regulator, 3.3V, 0.75V Dropout, BIPolar, PSSO5, TO-263, 5 PIN
MIC29371-3.3WT	MICREL	获取价格	750mA Low-Dropout Voltage Regulator
MIC29371-3.3WU	MICREL	获取价格	750mA Low-Dropout Voltage Regulator
MIC29371-3.3WUTR	MICROCHIP	获取价格	3.3V FIXED POSITIVE LDO REGULATOR, 0.75V DROPOUT, PSSO5, ROHS COMPLIANT, TO-263, 5 PIN
MIC29371-5.0BT	MICREL	获取价格	750mA Low-Dropout Voltage Regulator
MIC29371-5.0BU	MICREL	获取价格	750mA Low-Dropout Voltage Regulator
MIC29371-5.0BUT&R	MICREL	获取价格	Fixed Positive LDO Regulator, 5V, 0.75V Dropout, BIPolar, PSSO5, TO-263, 5 PIN
MIC29371-5.0WT	MICREL	获取价格	750mA Low-Dropout Voltage Regulator
MIC29371-5.0WU	MICREL	获取价格	750mA Low-Dropout Voltage Regulator
MIC29371-5.0WUTR	MICROCHIP	获取价格	5V FIXED POSITIVE LDO REGULATOR, 0.75V DROPOUT, PSSO5, ROHS COMPLIANT, TO-263, 5 PIN

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