General Description
●The RT9187 is a high-performance, 1A 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-Low-Noise for RF Application
●Ultra-Fast Response in Line/Load Transient
●Quick Start-Up (Typically 40μs)
●< 0.1uA Standby Current When Shutdown
●Low Dropout : 240mV at 1A
●Wide Operating Voltage Ranges : 2.5V to 5.5V
●TTL-Logic-Controlled Shutdown Input
●Current Limiting Protection
●Thermal Shutdown Protection
●Only 2.2uF Output Capacitor Required for Stability
●High Power Supply Rejection Ratio
●RoHS Compliant and 100% Lead (Pb)-Free
●Applications
●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