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MIC29371-3.3WT

更新时间： 2024-11-22 04:39:55

品牌	Logo	应用领域
麦瑞 - MICREL		稳压器调节器输出元件局域网
页数	文件大小	规格书
12页	254K
描述
750mA Low-Dropout Voltage Regulator

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中文翻译

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MIC29371-3.3WT 数据手册

MIC2937A/29371/29372

Micrel, Inc.

MIC2937A/29371/29372

750mA Low-Dropout Voltage Regulator

General Description

Features

•

High output voltage accuracy

The MIC2937Afamily are “bulletproof” efﬁcient voltage regu-

lators with very low dropout voltage (typically 40mV at light

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

(160µA typical). The quiescent current of the MIC2937A in-

creases only slightly in dropout, thus prolonging battery life.

Key MIC2937A features include protection against reversed

battery,fold-backcurrentlimiting,andautomotive“loaddump”

protection (60V positive transient).

Guaranteed 750mA output

Low quiescent current

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 posi-

tive 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

1 2 3

INPUT GROUND OUTPUT

TO-263-5 Package

TO-263 Package

(MIC29371/29372BU/WU)

(MIC2937A-xxBU/WU)

Five Lead Package Pin Functions:

MIC29371 MIC29372

2 3 4 5

1 2 3

1) Error

Adjust

INPUT GROUND OUTPUT

2) Input

3) Ground

4) Output

Shutdown

Ground

Input

TO-220 Package

(MIC2937A-xxBT/WT)

TO-220-5 Package

(MIC29371/29372BT/WT)

5) Shutdown Output

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

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

May 2006

MIC2937A/29371/29372

12 3 4 5 6 7...12

中文翻译

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与MIC29371-3.3WT相关器件

型号	品牌	获取价格	描述	数据表
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
MIC29371-5.0WU-TR	MICROCHIP	获取价格	5V FIXED POSITIVE LDO REGULATOR, 0.75V DROPOUT, PSSO5
MIC29372	MICREL	获取价格	750mA Low-Dropout Voltage Regulator

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