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For complete documentation, view the LT3667 page

Part Number*	Description	Package	Pins	Price (1-99)	Price (100+)	QTY
LT3667EMSE#PBF	40V 400mA Step-Down Switching Regulator with Dual Fault Protected LDOs	MSOP	16	$3.64	$3.10
LT3667EMSE#TRPBF	40V 400mA Step-Down Switching Regulator with Dual Fault Protected LDOs	MSOP	16
LT3667EUDD#PBF	40V 400mA Step-Down Switching Regulator with Dual Fault Protected LDOs	QFN	24	$3.64	$3.10
LT3667EUDD#TRPBF	40V 400mA Step-Down Switching Regulator with Dual Fault Protected LDOs	QFN	24
LT3667HMSE#PBF	40V 400mA Step-Down Switching Regulator with Dual Fault Protected LDOs	MSOP	16	$4.37	$3.72
LT3667HMSE#TRPBF	40V 400mA Step-Down Switching Regulator with Dual Fault Protected LDOs	MSOP	16
LT3667HUDD#PBF	40V 400mA Step-Down Switching Regulator with Dual Fault Protected LDOs	QFN	24	$4.37	$3.72
LT3667HUDD#TRPBF	40V 400mA Step-Down Switching Regulator with Dual Fault Protected LDOs	QFN	24
LT3667IMSE#PBF	40V 400mA Step-Down Switching Regulator with Dual Fault Protected LDOs	MSOP	16	$4.00	$3.40
LT3667IMSE#TRPBF	40V 400mA Step-Down Switching Regulator with Dual Fault Protected LDOs	MSOP	16
LT3667IUDD#PBF	40V 400mA Step-Down Switching Regulator with Dual Fault Protected LDOs	QFN	24	$4.00	$3.40
LT3667IUDD#TRPBF	40V 400mA Step-Down Switching Regulator with Dual Fault Protected LDOs	QFN	24

Demo Boards

Part Number*	Description	Price (1-99)	QTY
DC1869A	LT3667 Demo Board | Buck Plus Dual Fault-Protected LDOs, 6V ≤ VIN ≤40V, Vout1 = 5V, Vout2/Vout3 = 3.3V/2.5V @ 200mA	$125.00	1

* 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