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by Graham Prophet @ edn-europe.com:
LT8494 is a current mode, fixed frequency SEPIC/boost DC/DC converter with an internal 2A, 70V switch. Quiescent current of 7µA suits the device for always-on automotive or other industrial battery powered systems.
The LT8494 starts up from an input voltage range of 2.5V to 32V and once running it operates from inputs from 1V to 60V, making it suitable for applications with input sources ranging from a single-cell Li-Ion to automotive inputs. The LT8494 can be configured as a boost, SEPIC or flyback converter. Its switching frequency can be programmed via a single resistor to between 250 kHz and 1.5 MHz, enabling designers to minimise external component sizes. The combination of a thermally enhanced TSSOP-20E or 4 x 4 mm QFN package and small externals ensures a very compact footprint.
2A, 70V SEPIC/Boost DC/DC converter with 7µA Iq – [Link]
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