General Description

The RT9009 is a high performance, 2.5A LDO regulator, offering extremely high PSRR and ultra-low dropout. Ideal for portable RF and wireless applications with demanding performance and space requirements.

Features

• Ultra Fast Response in Line/Load Transient

• < 1μA Shutdown Current

• Low Dropout : 520mV at 2A

• Wide Operating Voltage Ranges : 2.5V to 5.5V

• TTL-Logic-Controlled Shutdown Input

• Current Limiting Protection

• Thermal Shutdown Protection

• Low-ESR Ceramic Output Capacitor Required for Stability

• High Power Supply Rejection Ratio

• RoHS Compliant and 100 Lead (Pb)-Free

Applications

• Game Console

• CDMA/GSM Cellular Handsets

• Battery-Powered Equipment

• Laptop, Palmtops, Notebook Computers

• Hand-Held Instruments

• Mini PCI & PCI-Express Cards

• PCMCIA & New Cards

• Portable Information Appliances