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
LM2574-12YN	1+ $1.740 10+ $1.450 25+ $1.210 100+ $1.100	PDF RFQ	526 In-stock	Micrel / Microchip Technology	Switching Voltage Regulators 0.5A Step-Down SMPS Regulator	Through Hole	PDIP-8	- 40 C	+ 85 C	LM2574	Tube	500 mA	12 V	52 kHz	1 Output	40 V	Buck
LM2574-3.3YN	1+ $1.740 10+ $1.450 25+ $1.210 100+ $1.100	PDF RFQ	490 In-stock	Micrel / Microchip Technology	Switching Voltage Regulators 0.5A Step-Down SMPS Regulator	Through Hole	PDIP-8	- 40 C	+ 85 C	LM2574	Tube	500 mA	3.3 V	52 kHz	1 Output	40 V	Buck	-
LM2574YN	1+ $1.740 10+ $1.450 25+ $1.210 100+ $1.100	PDF RFQ	379 In-stock	Micrel / Microchip Technology	Switching Voltage Regulators 0.5A Step-Down SMPS Regulator	Through Hole	PDIP-8	- 40 C	+ 85 C	LM2574	Tube	500 mA	1.23 V to 37 V	52 kHz	1 Output	40 V	Buck
LM2574-5.0YN	1+ $1.740 10+ $1.450 25+ $1.210 100+ $1.100	PDF RFQ	11 In-stock	Micrel / Microchip Technology	Switching Voltage Regulators 0.5A Step-Down SMPS Regulator	Through Hole	PDIP-8	- 40 C	+ 85 C	LM2574	Tube	500 mA	5 V	52 kHz	1 Output	40 V	Buck
MIC4574-5.0YN	1+ $3.200 10+ $2.660 25+ $2.220 100+ $2.020	PDF RFQ	40 In-stock	Micrel / Microchip Technology	Switching Voltage Regulators 200kHz 0.5A Step-down Regulator	Through Hole	PDIP-8	- 40 C	+ 85 C	MIC4574	Tube	500 mA	5 V	200 kHz	1 Output	24 V	Buck	4 V