MIC5327 Datasheet, PDF (1/10 Pages) Micrel Semiconductor – 300mA Low Quiescent Current LDO

MIC5327
300mA Low Quiescent Current LDO
General Description
The MIC5327 is a low quiescent current, low dropout
regulator designed for optimal performance in a small
space. The MIC5327 is capable of sourcing 300mA of
output current while only consuming 24µA of operating
current. This high performance LDO offers Low dropout,
fast transient response, good PSRR, and low output
voltage noise.
The MIC5327 is an ideal solution for battery operated
applications due to ultra low quiescent current and
extremely low dropout voltage of 180mV at 300mA.
Equipped with a TTL logic compatible enable pin, the
MIC5327 can be put into a zero-off-mode current state,
drawing virtually no current when disabled.
Board space and component cost is minimized because
the MIC5327 operates with very small 1μF ceramic
capacitors, provides fixed output voltages, and is available
in the tiny 1.2mm x 1.6mm Thin MLF^® package.
MIC5327 also features thermal shutdown and current limit
protection.
Data sheets and support documentation can be found on
Micrel’s web site at www.micrel.com.
Features
• 300mA output current
• Input voltage range: 2.3V to 5.5V
• Low 24µA operating current
• Low dropout voltage of 180mV @ 300mA
• Fixed output voltages
• Stable with 1μF ceramic capacitors
• Thermal shutdown and current limit protection
• Tiny 4-pin 1.2mm x 1.6mm Thin MLF^® package
Applications
• Mobile Phones
• GPS and Navigation Devices
• Portable Media Players
• Digital still and video cameras
• PDAs
• Portable Electronics
___________________________________________________________________________________________________________
Typical Application
MIC5327-xxYMT
VIN
VOUT
VOUT
VBAT
1µF
VEN
1µF
GND
MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc.
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel [phone] • fax + 1 [phone] • http://www.micrel.com
September 2008
M9999-093008-A