MIC29202WU

更新时间： 2024-11-09 03:55:07

品牌	Logo	应用领域
麦瑞 - MICREL		稳压器调节器输出元件
页数	文件大小	规格书
12页	406K
描述
400mA Low-Dropout Voltage Regulator

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MIC29202WU 数据手册

MIC2920A/29201/29202/29204

Micrel, Inc.

MIC2920A/29201/29202/29204

400mA Low-Dropout Voltage Regulator

General Description

Features

•

High output voltage accuracy

The MIC2920Afamily are “bulletproof,” efﬁcient voltage regu-

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

loads and 370mV at 250mA), and very low quiescent current

(140µA typical). The quiescent current of the MIC2920A in-

creases only slightly in dropout, prolonging battery life. Key

MIC2920A features include protection against reversed bat-

tery, fold-back current limiting, and automotive “load dump”

protection (60V positive transient).

Guaranteed 400mA output

Low quiescent current

Low dropout voltage

Extremely tight load and line regulation

Very low temperature coefﬁcient

Current and thermal limiting

Input withstands –20V reverse battery and

60V positive transients

The MIC2920 is available in several conﬁgurations. The

MIC2920A-x.x devices are three pin ﬁxed voltage regulators

available in 3.3V, 4.85V, 5V, and 12V outputs. The MIC29201

is a ﬁxed regulator offering a logic compatible ON/OFF (shut-

down) input and an error ﬂag output. This ﬂag may also be

usedasapower-onresetsignal.Alogic-compatibleshutdown

input is provided on the adjustable MIC29202 which allows

the regulator to be switched on and off. The MIC29204 8-pin

SOIC adjustable regulator includes both shutdown and error

ﬂagpinsandmaybepin-strappedfor5Voutputorprogrammed

from 1.24V to 26V using two external resistors.

•

Error ﬂag warns of output dropout

Logic-controlled electronic shutdown

Output programmable from 1.24V to 26V

(MIC29202/MIC29204)

Available in TO-220-3, TO-220-5, and surface-mount

TO-263-5, SOT-223, and SO-8 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-regulators

Voltage reference

High-efﬁciency linear power supplies

Pin Conﬁguration

TAB

OUTPUT

S E N S E

INPUT

SHUTDOWN

GROUND

E R R O R

INPUT

OUTPUT

GROUND

MIC29201-3.3BM (SOIC-8)

MIC2920A-x.xBS

(SOT-223)

OUTPUT

S E N S E

INPUT

ADJUST

5V TAP

E R R O R

TAB

SHUTDOWN

GROUND

MIC29204BM (SOIC-8)

OUT

5-Lead Package Pinouts

MIC29201 MIC29202

MIC29201/29202BT

(TO-220-5)

GND

1) Error

Adjust

MIC2920A-xxBT

(TO-220)

2) Input

Shutdown

Ground

Input

3) Ground

4) Output

5) Shutdown

MIC29201/29202BU

(TO-263-5)

Output

Tab is Ground on SOT-223, 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

February 2005

M9999-021505

12 3 4 5 6 7...12

中文翻译

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与MIC29202WU相关器件

型号	品牌	获取价格	描述	数据表
MIC29202WUTR	MICREL	获取价格	暂无描述
MIC29204	MICREL	获取价格	400mA Low-Dropout Voltage Regulator
MIC29204	MICROCHIP	获取价格	The MIC2920A family are "bulletproof"? efficient voltage regulators with very low dropou
MIC29204BJ	MICREL	获取价格	暂无描述
MIC29204BM	MICREL	获取价格	400mA Low-Dropout Voltage Regulator
MIC29204BN	MICREL	获取价格	400mA Low-Dropout Voltage Regulator
MIC29204YM	MICREL	获取价格	400mA Low-Dropout Voltage Regulator
MIC29204YM-TR	MICROCHIP	获取价格	FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.75V DROPOUT, PDSO8
MIC29204YN	MICREL	获取价格	400mA Low-Dropout Voltage Regulator
MIC2920A	MICREL	获取价格	400mA Low-Dropout Voltage Regulator

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