General Description
The RT9166/A series are CMOS low dropout regulators optimized for ultra-fast transient response. The devices are capable of supplying 300mA or 600mA of output current with a dropout voltage of 230mV or 580mV respectively.

Features
• Low Quiescent Current (Typically 220μA)
• Guaranteed 300/600mA Output Current
• Low Dropout Voltage : 230/580mV at 300/600mA
• Wide Operating Voltage Ranges : 3V to 5.5V
• Ultra-Fast Transient Response
• Tight Load and Line Regulation
• Current Limiting Protection
• Thermal Shutdown Protection
• Only Low-ESR Ceramic Capacitor Required for Stability
• Custom Voltage Available
• RoHS Compliant and 100% Lead (Pb)-Free

Applications
• CD/DVD-ROM, CD/RW
• Wireless LAN Card/Keyboard/Mouse
• Battery-Powered Equipment
• XDSL Router
• PCMCIA Card