
Advanced Analogic Technologies
General Description
The AAT3215 MicroPower™ Low Dropout Linear Regulator is ideally suited for portable applications where low noise, extended battery life and small size are critical. The AAT3215 has been specifically designed for very low output noise performance, fast transient response and high power supply rejection ratio (PSRR), making it ideal for powering sensitive RF circuits.
FEATUREs
• Low Dropout - 140mV at 150mA
• Guaranteed 150mA Output
• High accuracy ±1.5%
• 95µA Quiescent Current
• High Power Supply Ripple Rejection
• 70 dB at 1kHz
• 50 dB at 10kHz
• Very low self noise 45µVrms/rtHz
• Fast line and load transient response
• Short circuit protection
• Over-Temperature protection
• Uses Low ESR ceramic capacitors
• Noise reduction bypass capacitor
• Shutdown mode for longer battery life
• Low temperature coefficient
• 8 Factory programmed output voltages
• SOT-23 5-pin or SC70-JW 8-pin package
APPLICATIONs
• Cellular Phones
• Notebook Computers
• Portable Communication Devices
• Personal Portable Electronics
• Digital Cameras