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For complete documentation, view the LT3640EFE#PBF page

Part Number*	Description	Package	Pins	Price (1-99)	Price (100+)	QTY
LT3640EFE#PBF	Dual Monolithic Buck Regulator with Power-On Reset and Watchdog Timer	TSSOP	28	$5.23	$4.43

* When ordering part numbers ending in #TR or #TRM for quantities less than (or not an even multiple of) a full reel, parts will be shipped in bulk or cut tape