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MIC29201-12WU

更新时间： 2024-09-16 04:39:55
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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中文翻译

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MIC29201-12WU 数据手册

 浏览型号MIC29201-12WU的Datasheet PDF文件第2页浏览型号MIC29201-12WU的Datasheet PDF文件第3页浏览型号MIC29201-12WU的Datasheet PDF文件第4页浏览型号MIC29201-12WU的Datasheet PDF文件第5页浏览型号MIC29201-12WU的Datasheet PDF文件第6页浏览型号MIC29201-12WU的Datasheet PDF文件第7页 
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  
•
•
•
•
•
•
•
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Battery-powered equipment  
Cellular telephones  
Laptop, notebook, and palmtop computers  
PCMCIA VCC and VPP regulation/switching  
Bar code scanners  
Automotive electronics  
SMPS post-regulators  
Voltage reference  
High-efficiency linear power supplies  
Pin Configuration  
TAB  
TAB  
TAB  
OUTPUT  
S E N S E  
INPUT  
NC  
1
2
3
4
8
7
6
5
SHUTDOWN  
GROUND  
NC  
1
2
3
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  
1
2
3
4
8
7
6
5
ADJUST  
5V TAP  
E R R O R  
TAB  
SHUTDOWN  
GROUND  
MIC29204BM (SOIC-8)  
1
2
4
5
3
3
2
1
IN  
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  
4
5
3
1
2
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  
1
M9999-021505  
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