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 × 1.0mm Thin DFN package

• MIC5504 5-pin SOT23 package

Applications

• Smartphones

• DSC, GPS, PMP, and PDAs

• Medical devices

• Portable electronics

• 5V systems