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Motore di ricerca datesheet componenti elettronici |
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FT531AA Scheda tecnica(PDF) 1 Page - List of Unclassifed Manufacturers |
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FT531AA Scheda tecnica(HTML) 1 Page - List of Unclassifed Manufacturers |
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1 / 23 page  Fremont Micro Devices FT531xx www.fremontmicro.com Page 1 of 23 DS531-A8 Ultra Low Noise, High PSRR, 250mA LDO FEATURES DESCRIPTION Ultra-Low Noise for RF Application Ultra-Fast Response in Line/Load Transient Quick Start-Up (Typically 100uS) Low Quiescent Current: 36uA Less than 0.1uA Standby Current When Shutdown Low Dropout Voltage: 120mV @ 100mA Wide Operating Voltage Ranges : 2.5V to 6V TTL-Logic-Controlled Shutdown Input Low Temperature Coefficient Current Limiting Protection Only 1uF Output Capacitor Required High Power Supply Rejection Ratio ROHS Compliant and 100% Lead (Pb)-Free Custom Voltage Available Custom Options for CE Logic and Build-in Pull-up/down Available The FT531xx is designed for portable RF and wireless applications with demanding performance and space requirements. The FT531xx performance is optimized for battery powered systems to deliver ultra low noise and low quiescent current. Regulator ground current increases only slightly in dropout, further prolonging the battery life. The FT531xx also works with low-ESR ceramic capacitors, reducing the amount of board space necessary for power applications, critical in hand-held wireless devices. The FT531xx consumes less than 0.1uA in shutdown mode and has fast turn-on time less than 100uS. The other features include low dropout voltage, high output accuracy, current limiting protection, and high ripple rejection ratio. The FT531xx is available in the 5-lead of SOT-23-5(L), SC-70 and the 3-lead of SOT-23-3(L), SOT-89-3(L), SOT-23 packages. APPLLICATIONS CDMA/GSM Cellular Handsets Battery-Powered Equipment Laptop, Palmtops, Notebook Computers Hand-Held Instruments PCMCIA Cards Portable Information Appliances |
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