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AAT3215IGV-28-T1 Datasheet(PDF) 1 Page - Advanced Analogic Technologies |
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AAT3215IGV-28-T1 Datasheet(HTML) 1 Page - Advanced Analogic Technologies |
1 / 16 page 3215.2002.03.0.91 1 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 specifi- cally designed for very low output noise perform- ance, fast transient response and high power sup- ply rejection ratio (PSRR), making it ideal for pow- ering sensitive RF circuits. Other features include low quiescent current, typi- cally 95µA, and low dropout voltage which is typi- cally less than 140mV at full output current. The device is output short circuit protected and has a thermal shutdown circuit for additional protection under extreme conditions. The AAT3215 also features a low-power shutdown mode for extended battery life. A reference bypass pin has been provided to improve PSRR perform- ance and output noise, by connecting an external capacitor from the AAT3215's reference output to ground. The AAT3215 is available in a space saving 5-pin SOT-23 or 8-pin SC70-JW package in 8 factory programmed voltages of 2.5V, 2.7V, 2.8V, 2.85V, 2.9V, 3.0V, 3.3V, or 3.5V. 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 AAT3215 150mA CMOS High Performance LDO Typical Application AAT3215 EN IN OUT BYP GND ON/OFF 1 µF 10nF 2.2 µF VIN GND GND VOUT PowerLinear™ |
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