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Linear Technology Releases New 100V, 1A, Synchronous StepDown Regulator
Wide Input Voltage Range and Low Quiescent Current Make the LT8631 Ideal for 48V Automotive Systems
Linear Technology Corporation has released the new LT8631, a 1A, 100V input capable synchronous stepdown switching regulator.
Synchronous rectification delivers efficiency as high as 90% while Burst Mode® operation keeps quiescent current under 7µA in noload standby conditions.
Its 3V to 100V input voltage range makes it ideal for 48V automotive systems, dual battery transportation, industrial and 36V to 72V telecom applications.
Its internal high efficiency switches deliver up to 1A of continuous output current to voltages as low as 0.8V.
The LT8631's Burst Mode operation offers ultralow quiescent current, making it well suited for applications such as automotive "alwayson" systems,
which need to extend operating battery life. The LT8631's unique design maintains a minimum dropout voltage, enabling it to operate with duty cycles up to 99%.
Its resistor programmable 100kHz to 1MHz frequency range and synchronization capability enable optimization between efficiency and external component size.
The LT8631's 20lead TSSOP package with high voltage lead spacing ensures a compact, thermally efficient footprint for high voltage applications.
Key Features of the LT8631
The company's Web site address is www.linear.com.
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