PART NO.	PRICE		STOCK	MANUFACTURE	DESCRIPTION	Mounting Style	Package / Case	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging	Output Current	Output Voltage	Switching Frequency	Number of Outputs	Input Voltage MAX	Topology	Input Voltage MIN
MC34063EBN	1+ $0.600 10+ $0.496 100+ $0.320 1000+ $0.256	PDF RFQ	7,643 In-stock	STMicroelectronics	Switching Voltage Regulators DC DC CONVERTER CONTROL CI...	Through Hole	DIP-8	- 40 C	+ 125 C	MC34063EB	Tube	1.5 A	1.25 V to 38 V	100 kHz	1 Output	40 V	Buck, Boost, Inverting	3 V
MC34063ACN	1+ $0.650 10+ $0.537 100+ $0.346 1000+ $0.277	PDF RFQ	6,444 In-stock	STMicroelectronics	Switching Voltage Regulators 3.0 to 40V DC-DC Cnv	Through Hole	PDIP-8			MC34063AC	Tube	1.5 A	40 V	100 kHz	1 Output	40 V	Buck
MC34063ABN	1+ $0.650 10+ $0.537 100+ $0.346 1000+ $0.277	PDF RFQ	2,606 In-stock	STMicroelectronics	Switching Voltage Regulators DC DC CONVERTER CONTROL CI...	Through Hole	DIP-8	- 40 C	+ 85 C	MC34063AB	Tube	1.5 A	1.25 V to 38 V	100 kHz	1 Output	40 V	Buck, Boost, Inverting	3 V
MC34063ECN	Per Unit $0.580	PDF RFQ	30,550 In-stock	STMicroelectronics	Switching Voltage Regulators 3.0 to 40V DC-DC Cnv	Through Hole	PDIP-8			MC34063EC	Tube	1.5 A	40 V	100 kHz	1 Output	40 V
L4973V5.1	1+ $3.760 10+ $3.190 100+ $2.770 250+ $2.630	PDF RFQ	512 In-stock	STMicroelectronics	Switching Voltage Regulators 5.1V 3.5A Step-Down	Through Hole	PDIP-18			L4973	Tube	3.5 A	5.1 V	100 kHz	1 Output	55 V	Buck	8 V