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