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AAT3220IGY-2.7-T1 Datasheet(PDF) 8 Page - Advanced Analogic Technologies |
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AAT3220IGY-2.7-T1 Datasheet(HTML) 8 Page - Advanced Analogic Technologies |
8 / 16 page AAT3220 150mA NanoPower™ LDO Linear Regulator 8 3220.2006.01.1.4 Functional Block Diagram Over-Current Protection Over-Temp Protection V REF IN GND OUT Functional Description The AAT3220 is intended for LDO regulator appli- cations where output current load requirements range from no load to 150mA. The advanced circuit design of the AAT3220 has been optimized for minimum quiescent or ground current consumption, making it ideal for use in power management systems for small battery- operated devices. The typical quiescent current level is just 1.1µA. The LDO also demonstrates excellent power supply ripple rejection (PSRR) and load and line transient response characteristics. The AAT3220 is a truly high performance LDO reg- ulator especially well suited for circuit applications which are sensitive to load circuit power consump- tion and extended battery life. The LDO regulator output has been specifically optimized to function with low cost, low equivalent series resistance (ESR) ceramic capacitors. However, the design will allow for operation with a wide range of capacitor types. The AAT3220 has complete short-circuit and ther- mal protection. The integral combination of these two internal protection circuits give the AAT3220 a comprehensive safety system to guard against extreme adverse operating conditions. Device power dissipation is limited to the package type and thermal dissipation properties. Refer to the Thermal Considerations section of this datasheet for details on device operation at maximum output load levels. |
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