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MIC5501

Micrel Semiconductor
Part Number MIC5501
Manufacturer Micrel Semiconductor
Description Single 300mA LDO
Published Aug 13, 2014
Detailed Description MIC5501/2/3/4 Single 300mA LDO Revision 2.0 General Description The MIC5501/2/3/4 is an advanced general-purpose LDO id...
Datasheet PDF File MIC5501 PDF File

MIC5501
MIC5501

Overview
MIC5501/2/3/4 Single 300mA LDO Revision 2.
0 General Description The MIC5501/2/3/4 is an advanced general-purpose LDO ideal for powering general-purpose portable devices.
The MIC5501/2/3/4 family of products provides a highperformance 300mA LDO in an ultra-small 1mm x 1mm package.
The MIC5502 and MIC5504 LDOs include an auto-discharge feature on the output that is activated when the enable pin is low.
The MIC5503 and MIC5504 have an internal pull-down resistor on the enable pin that disables 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 MIC5501/2/3/4 offers 2% initial accuracy, low dropout voltage (160mV at 300mA), and low ground current (typically 38µA).
The MIC5501/2/3/4 can also be put into a zero-off-mode current state, drawing virtually no current when disabled.
The MIC5501/2/3/4 has an operating junction temperature range of –40°C to 125°C.
Datasheets and support documentation can be found on Micrel’s web site at: www.
micrel.
com.
Features • • • • • • • • • • • Input voltage range: 2.
5V to 5.
5V Fixed output voltages from 1.
0V to 3.
3V 300mA guaranteed output current High output accuracy (±2%) Low quiescent current: 38µA Stable with 1µF ceramic output capacitors Low dropout voltage: 160mV @ 300mA Output discharge circuit: MIC5502, MIC5504 Internal enable pull-down: MIC5503, MIC5504 Thermal-shutdown and current-limit protection 4-lead 1.
0mm x 1.
0mm Thin DFN package Applications • • • • • Smart phones DSC, GPS, PMP, and PDAs Medical devices Portable electronics 5V systems ___________________________________________________________________________________________________________ Typical Application Micrel Inc.
• 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.
micrel.
com January 14, 2013 Revision 2.
0 Micrel, Inc.
MIC5501/2/3/4 Absolute Maximum Ratings Supply V...


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