General Description
The RT9017 is designed for portable RF and wireless applications with demanding performance and space requirements. The RT9017 performance is optimized for battery-powered systems to deliver ultra low noise and low quiescent current. Regulator ground current increases only slightly in dropout, further prolonging the battery life.

Features
• Short Circuit Thermal Folded Back Protection
• Low-Noise for RF Application
• Fast Response in Line/Load Transient
• Quick Start-Up (Typically 50μs)
• 0.01μA Standby Current When Shutdown
• Low Dropout : 380mV @ 500mA
• Wide Operating Voltage Ranges : 2.5V to 5.5V
• TTL-Logic-Controlled Shutdown Input
• Low Temperature Coefficient
• Current Limiting Protection
• Thermal Shutdown Protection
• Only 1μF Output Capacitor Required for Stability
• High Power Supply Rejection Ratio
• Custom Voltage Available
• RoHS Compliant and 100% Lead (Pb)-Free

Applications
• CDMA/GSM Cellular Handsets
• Battery-Powered Equipment
• Laptop, Palmtops, Notebook Computers
• Hand-Held Instruments
• PCMCIA Cards
• Portable Information Appliances