DESCRIPTION

The A8113 is designed for portable RF and wireless applications with demanding performance and space requirements. The A8113 performance is optimized for battery-powered systems to deliver ultra low noise and low quiescent current. A noise bypass pin is available for further reduction of output noise.

Regulator ground current increases only slightly in dropout, further prolonging the battery life. The A8113 also works with low-ESR ceramic capacitors, reducing the amount of board space necessary for power applications, critical in hand-held wireless devices. The A8113 consumes less than 0.01μA in shutdown mode and has fast turn-on time less than 50μs. The other features include ultra low dropout voltage, high output accuracy, current limiting protection, and high ripple rejection ratio.

The A8113 is available in SOT-25 package.

FEATURES

 Ultra-low Noise for RF Application

 Ultra-Fast Response in Line/Load Transient

 Quick Start-Up (Typically 50μS)

 <0.01μA Standby Current When Shutdown.

 Low Dropout:210mV@300mA

 Wide Operating Voltage Ranges:2V to 6V

 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

 Fast output discharge

 Available in SOT-25 p ackage

APPLICATION

 LED APPLICATION

 Cellular and Smart Phones

 Battery-Powered Equipment

 Laptop, Palmtops, Notebook Computers

 Hand-Held Instruments

 PCMCIA Cards

 MP3/MP4/MP5 Players

 Portable Information Appliances