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
LM78S40CN/NOPB	1+ $1.700 10+ $1.450 100+ $1.160 500+ $1.010	PDF RFQ	1,551 In-stock	Texas instruments	Switching Voltage Regulators Uni Switching Reg Subsystem	Through Hole	PDIP-16	- 40 C	+ 125 C	LM78S40	Tube	1.5 A	1.25 V to 40 V	0.1 kHz to 100 kHz	1 Output	40 V	Buck, Boost, Flyback, Inverting	2.5 V
LM2578AM/NOPB	1+ $3.860 10+ $3.470 100+ $2.840 250+ $2.670	PDF RFQ	476 In-stock	Texas instruments	Switching Voltage Regulators Switching Reg	SMD/SMT	SOIC-Narrow-8	- 40 C	+ 125 C	LM2578A	Tube	750 mA	1 V	16 kHz to 24 kHz	1 Output	40 V	Buck, Boost, Flyback, Inverting	2 V
LM78S40N/NOPB	1+ $2.110 10+ $1.800 100+ $1.440 500+ $1.260	PDF RFQ	323 In-stock	Texas instruments	Switching Voltage Regulators Uni Switching Reg Subsystem	Through Hole	PDIP-16	- 40 C	+ 125 C	LM78S40	Tube	1.5 A	1.25 V to 40 V	0.1 kHz to 100 kHz	1 Output	40 V	Buck, Boost, Flyback, Inverting	2.5 V
LM2578AN/NOPB	1+ $3.200 10+ $2.880 100+ $2.360 250+ $2.210	PDF RFQ	265 In-stock	Texas instruments	Switching Voltage Regulators Switching Reg	Through Hole	PDIP-8	- 40 C	+ 125 C	LM2578A	Tube	750 mA	1 V	16 kHz to 24 kHz	1 Output	40 V	Buck, Boost, Flyback, Inverting	2 V