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MIC29201-3.3YM TR

Description
ldo voltage regulators 400ma ldo fixed voltage + flag + shutdown (lead free)
Categorysemiconductor    Other integrated circuit (IC)   
File Size404KB,12 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Environmental Compliance  
Download Datasheet Parametric View All

MIC29201-3.3YM TR Overview

ldo voltage regulators 400ma ldo fixed voltage + flag + shutdown (lead free)

MIC29201-3.3YM TR Parametric

Parameter NameAttribute value
ManufactureMicrel
Product CategoryLDO Voltage Regulators
RoHSYes
Output Curre150 mA
PackagingReel
Factory Pack Quantity2500
MIC2920A/29201/29202/29204
Micrel, Inc.
MIC2920A/29201/29202/29204
400mA Low-Dropout Voltage Regulator
General Description
The MIC2920A family 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).
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
used as a power-on reset signal. A logic-compatible shutdown
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
flag pins and may be pin-strapped for 5V output or programmed
from 1.24V to 26V using two external resistors.
Features
High output voltage accuracy
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
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.
Battery-powered equipment
Cellular telephones
Laptop, notebook, and palmtop computers
PCMCIA V
CC
and V
PP
regulation/switching
Bar code scanners
Automotive electronics
SMPS post-regulators
Voltage reference
High-efficiency linear power supplies
Applications
Pin Configuration
TAB
TAB
TAB
OUTPUT
1
SENSE
2
SHUTDOWN
3
GROUND
4
8
INPUT
7
NC
6
NC
5
ERROR
1
2
3
MIC29201-3.3BM (SOIC-8)
OUTPUT
1
SENSE
2
SHUTDOWN
3
GROUND
4
INPUT
OUTPUT
GROUND
8
INPUT
7
A D JUST
6
5V TAP
5
ERROR
MIC2920A-x.xBS
(SOT-223)
TAB
MIC29204BM (SOIC-8)
5-Lead Package Pinouts
MIC29201 MIC29202
1) Error
Adjust
2) Input
Shutdown
3) Ground
Ground
4) Output
Input
5) Shutdown
Output
1
IN
1 2 3 4 5
3
OU T
GND
2
MIC29201/29202BU
(TO-263-5)
MIC2920A-xxBT
(TO-220)
MIC29201/29202BT
(TO-220-5)
1 2 3 4 5
Tab is Ground on SOT-223, TO-220, and TO-263 packages.
1
M9999-021505
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
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