800mA, Synchronous Buck-Boost DC/DC Converter Offers Extended Battery Run Time for Li-Ion Powered Handhelds
The LTC3538 includes two N-Channel MOSFETs and two P-Channel MOSFETs (0.17 Ohm and 0.20 Ohm, respectively) to deliver efficiencies of up to 96%. Burst Mode® operation requires only 35uA of quiescent current while shutdown current is less than 1uA to further extend battery run-time. Other features include soft-start, current limiting, thermal shutdown and output disconnect in shutdown.
LTC3538EDCB is available from stock in a 2mm x 3mm 8-lead DFN package.
Summary of Features: LTC3538
-Regulated Output with Input Voltages Above, Below, or Equal to the Output
-Up to 96% Efficiency
-800mA Continuous Output Current from a Single Lithium-Ion/Polymer Cell
-1MHz Fixed Frequency Operation
-Output Disconnect in Shutdown
-2.4V to 5.5V Input
-35uA Quiescent Current in Burst Mode Operation,
LINEAR TECHNOLOGY GmbH
Linear Technology Corporation, a manufacturer of high performance linear integrated circuits, was founded in 1981, became a public company in 1986 and joined the S&P 500 index of major public companies in 2000. Linear Technology products include high performance amplifiers, comparators, voltage references, monolithic filters, linear regulators, DC-DC converters, battery chargers, data converters, communications interface circuits, RF signal conditioning circuits, uModule(TM) products, and many other analog functions. Applications for Linear Technology's high performance circuits include telecommunications, cellular telephones, networking products such as optical switches, notebook and desktop computers, computer peripherals, video/multimedia, industrial instrumentation, security monitoring devices, high-end consumer products such as digital cameras and MP3 players, complex medical devices, automotive electronics, factory automation, process control, and military and space systems. For more information, visit www.linear.com.
LT, LTC, LTM, Burst Mode and are registered trademarks and uModule is a trademark of Linear Technology Corp. All other trademarks are the property of their respective owners.
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