MIC5304 Datasheet, PDF (1/12 Pages) Micrel Semiconductor – Single 150mA Low Operating Current LDO with Dual Voltage Pin Select

MIC5304
Single 150mA Low Operating Current
LDO with Dual Voltage Pin Select
General Description
Features
The MIC5304 is a low quiescent current, low dropout
regulator with selectable output voltage designed for
applications that require two levels of output voltage
regulation. The MIC5304 is an ideal solution for
programming memory cards as well as for conserving
power in portable applications. The MIC5304 is capable of
sourcing 150mA of output current while only consuming
24µA of operating current. This high performance LDO
offers fast transient response while still maintaining low
quiescent current levels.
The MIC5304 is an ideal solution for battery operated
applications due to ultra low operating current and
extremely low dropout voltage of 85mV at 150mA.
Equipped with a TTL logic compatible enable pin, the
MIC5304 can be put into a zero-off mode current state,
drawing virtually no current when disabled.
• 150mA output current
• Logic controlled selectable output voltage
• Fast transition time between selected output voltages
• Input voltage range: 2.3V to 5.5V
• Low 24µA operating current
• Stable with 1μF ceramic capacitors
• Low dropout voltage of 85mV @ 150mA
• Thermal shutdown and current limit protection
• Tiny 6-pin 1.6mm x 1.6mm Thin MLF^® package
Applications
• Mobile phones, PDAs, PMPs, PNDs
• Digital still and video cameras
Board space and component cost is minimized because
the MIC5304 operates with very small 1μF ceramic
capacitors. The MIC5304 provides fixed output voltages,
and is available in the tiny 1.6mm x 1.6mm Thin MLF^®
package ideal for portable electronics.
• Dual voltage levels for power saving mode
• Portable electronics
MIC5304 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.
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Typical Application
MIC5304-RGYMT
VIN
1µF
VOUT
3.2V/1.8V
VEN
1µF
VSEL
GND
Selectable Output Voltage LDO Application
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
November 2008
M9999-111908-A