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LT1120A - Micropower Regulator with Comparator and Shutdown

Key Features

  • s 20µA Supply Current s 125mA Output Current s 2.5V Reference s Reference Output Sources 4mA and Sinks 4mA s Open Collector Comparator Sinks 10mA s Logic Shutdown s 0.2V Dropout Voltage s Thermal Limiting s 8-Lead SO Package U.

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LT1120A Micropower Regulator with Comparator and Shutdown U U FEATURES s 20µA Supply Current s 125mA Output Current s 2.5V Reference s Reference Output Sources 4mA and Sinks 4mA s Open Collector Comparator Sinks 10mA s Logic Shutdown s 0.2V Dropout Voltage s Thermal Limiting s 8-Lead SO Package U APPLICATIO S s Battery Systems s Battery Backup System s Portable Terminals s Portable Instruments s Memory Keep Alive DESCRIPTIO The LT®1120A is a combination micropower positive regulator and free collector comparator on a single monolithic chip. With only 20µA supply current, the LT1120A can supply over 125mA of output current. Input voltage range is from 4.5V to 36V and dropout voltage is 0.6V at 125mA. Dropout voltage decreases with lower load currents.