
Micrel
General Description
The MIC5305 is a high-performance, 150mA LDO regulator, offering extremely high PSRR and very low noise while consuming low ground current.
FEATUREs
• Ultra-low dropout voltage of 60mV @ 150mA
• Input voltage range: 2.25 to 5.5V
• Stable with ceramic output capacitor
• 150mA guaranteed output current
• Low output noise — 20µVrms
• Low quiescent current of 90µA total
• High PSRR, up to 85dB @1kHz
• Less than 30µs turn-on time w/CBYP = 0.01µF
• High output accuracy:
– ±1.0% initial accuracy
– ±2.0% over temperature
• Thermal shutdown protection
• Current limit protection
• Tiny 6-pin 2mm × 2mm MLF® package
• Ultra-Thin 6-pin 2mm × 2mm Thin MLF® package
• Thin SOT-23-5 package
APPLICATIONs
• Cellular phones
• PDAs
• Fiber optic modules
• Portable electronics
• Notebook PCs
• Audio Codec power supplies