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MIC5333-3.0/3.0YMT-TR

Description
FIXED POSITIVE LDO REGULATOR
CategoryPower/power management    The power supply circuit   
File Size344KB,12 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Download Datasheet Parametric View All

MIC5333-3.0/3.0YMT-TR Overview

FIXED POSITIVE LDO REGULATOR

MIC5333-3.0/3.0YMT-TR Parametric

Parameter NameAttribute value
MakerMicrochip
Reach Compliance Codecompliant
ECCN codeEAR99
Regulator typeFIXED POSITIVE MULTIPLE OUTPUT LDO REGULATOR
Base Number Matches1
MIC5333
Micro-Power High Performance
Dual 300mA ULDO™ with Dual POR
General Description
The MIC5333 is a tiny dual low quiescent current LDO
ideal for applications that are power sensitive. The
MIC5333 integrates two high performance, 300mA LDOs,
and a POR generator for each LDO into a 2.5mm x 2.5mm
Thin MLF
®
package, which occupies less PC board area
than a single SOT-23 package.
The MIC5333 is designed to reject input noise and provide
low output noise with fast transient response to respond to
any load change quickly even though it is a low quiescent
current part. This combination of PSRR, low noise and
transient response along with low power consumption
makes for a very high performance, yet general purpose
product.
The MIC5333 is a µCap design, operating with very small
ceramic output capacitors, which reduces required board
space and component cost; and it is available in fixed
output voltages in the tiny 10-pin 2.5mm x 2.5mm Thin
MLF
®
leadless package.
Data sheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Features
2.3V to 5.5V input voltage range
300mA output current per LDO
Very low quiescent current: 25µA per LDO
POR output with programmable delay for each LDO
High PSRR – >65dB on each LDO
Stable with 1µF ceramic output capacitors
Tiny 10-pin 2.5mm x 2.5mm Thin MLF
®
package
Ultra-low dropout voltage – 120mV @ 300mA
Low output voltage noise – 50µVrms
Thermal shutdown protection
Current limit protection
Applications
Camera phones
Mobile phones
PDAs
GPS receivers
Portable devices
___________________________________________________________________________________________________________
Typical Application
MIC5333-xxYMT
VIN
EN1
EN2
VBAT
CSET1
CSET2
1µF
GND
VOUT1
VOUT2
POR1
POR2
100k
100k
I/O
CORE
/RST
I/O
/RST
CORE
1µF
1µF
Camera DSP
Camera DSP Power Supply Circuit
ULDO is a trademark of Micrel, Inc.
MLF and
MicroLeadFrame
are registered trademarks of Amkor Technology, Inc.
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 2008
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