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Linear Tech IC features internal Schottky diodes

Posted: 30 Jan 2004 ?? ?Print Version ?Bookmark and Share

Keywords:linear technology? lt3463? dc-dc converter?

Linear Technology Corp. has released the LT3463 dual micropower dc-dc converter with internal Schottky diodes in a 3-by-3mm DFN package.

Suitable for biasing TFT-LCDs as well as digital camera CCDs from inputs that range from Li-ion to multiple cell alkaline/NiMH batteries, the product's internal 250mA, 42V switches can deliver both a 40V and a -40V output from an input voltage range of 2.3V to 15V. Two 42V Schottky diodes are also integrated into the device.

The product's dual low VCESAT switches (250mV at 200mA) combined with a current limited, fixed off-time control scheme conserves operating current, delivering high efficiency over a broad range of load current. Burst Mode Operation enables an ultra-low supply current of 40?A for both channels, while shutdown current is <1?A.

Available from stock in a 10-Lead DFN package, the LT3463EDD is priced at $1.95 each for 1,000-piece quantities.

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