MIC5512 Datasheet, PDF (1/12 Pages) Micrel Semiconductor – Single 300mA LDO

MIC5512/14
Single 300mA LDO
in 1.6mm × 1.6mm Thin DFN Package
General Description
The MIC5512/14 is an advanced general-purpose LDO
ideal for powering general-purpose portable devices. The
MIC5512/14 family of products provides a high-
performance 300mA LDO in an ultra-small 1.6mm x
1.6mm Thin DFN package. The MIC5512 and MIC5514
LDOs include an auto-discharge feature on the output that
is activated when the enable pin is low. The MIC5514 have
an internal pull down resistor on the enable pin that will
disable the output when the enable pin is left floating, this
is ideal for applications where the control signal is floating
during processor boot up.
Ideal for battery-powered applications, the MIC5512/14
offers a typical 1% initial accuracy, low dropout voltage
(160mV at 300mA), and low ground current (typically
38µA). The MIC5512/14 can also be put into a zero-off-
mode current state, drawing virtually no current when
disabled.
The MIC5512/14 has an operating junction temperature
range of –40°C to 125°C.
Datasheets and support documentation are available on
Micrel’s web site at: www.micrel.com.
Features
• Input voltage range: 2.5V to 5.5V
• Fixed output voltage range: 1.0V to 3.3V
• 300mA guaranteed output current
• ±1% initial output accuracy
• Stable with 1µF ceramic output capacitors
• Low dropout voltage: 160mV @ 300mA
• Output discharge circuit
• Internal enable pull down resistor (MIC5514)
• Available in ultra-small 6-pin 1.6mm × 1.6mm Thin DFN
package
Applications
• Smart phones
• DSCs, GPS, PMPs, and PDAs
• Medical devices
• Portable electronics
• 5V systems
Typical Application
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel [phone] • fax + 1 [phone] • http://www.micrel.com
April 8, 2013
Revision 1.1