Analog Devices Inc.

80V Synchronous 4-Switch Buck-Boost DC/DC Slave Controller for LT8708 Multiphase System Features: Slave Chip of LT8708 to Deliver Additional Power Good Current Matching to the Average Output Current of LT8708 Through Current Regulation Easily Paralleled with LT8708 Through Four Pins Synchronized Start-Up with LT8708 Same Conduction Modes as LT8708 Synchronous Rectification: Up to 98% Efficiency Frequency Range: 100kHz to 400kHz Available in 40-Lead (5mm × 8mm) QFN with High Voltage Pin Spacing and 64-Lead (10mm × 10mm) eLQFP AEC-Q100 in Progress

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