AMS3109

AMS3109 Micropower 700mA Low Noise Fast Transient Response LDO General Description The AMS3109 is a high performance linear regulator with very low dropout voltage and excellent transient response. It is designed to operate with wide input voltage range of 1.5 – 12Volts making it ideal for two step conversion while maintaining high efficiency for many power sensitive applications. The device is capable of supplying 700mA of output current with a typical dropout voltage of 550mV. The product is available in adjustable output voltage. The linear regulator has been optimized for noise sensitive applications. The device includes an Enable pin for electrical on/off of the regulator. Forcing the Enable pin to logic low shuts down the LDO and reduces the supply current below 1µA. The product includes complete short-circuit and thermal protection. The combination of these two internal protection circuits gives the device a comprehensive safety system to safe guard against extreme adverse operating conditions. The AMS3109 is available in a thermally enhanced SOIC-8 EDP package, and it is rated for -40°C to +125°C temperature range. Typical Application Features VIN range: 1.5 – 12V Adjustable output voltage as low as 0.6V 700mA maximum output current 550mV typical dropout voltage at 700mA Low self noise Enable (EN) pin for LDO on/off 120µA typical supply current ByPass (CBYP) Pin for low PSRR and output noise PSRR > 40dB at 10KHz Stable with Electrolytic, Tantalu...