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
MPQ4558DQ-AEC1-LF-P	1+ $4.730 10+ $3.920 25+ $3.730 100+ $3.460 500+ $2.780	PDF RFQ	433 In-stock	MPS,Monolithic Power Systems	Switching Voltage Regulators 1A 2MHz 55V Step Down Converter	SMD/SMT	QFN-10	- 40 C	+ 125 C	MPQ4558	Reel	1 A	0.8 V to 52 V	2 MHz	1 Output	55 V	Buck	3.8 V
MP4558DN-LF	1+ $2.910 10+ $2.410 100+ $2.130 200+ $1.920	PDF RFQ	202 In-stock	MPS,Monolithic Power Systems	Switching Voltage Regulators 55V, 1A non-sync Buck	SMD/SMT	SOIC-EP-8	- 40 C	+ 125 C	MP4558	Tube	1 A	0.8 V to 52 V	2 MHz	1 Output	55 V	Buck	3.8 V
MPQ4558DN-LF	1+ $3.630 10+ $3.010 100+ $2.660 200+ $2.400	PDF RFQ	50 In-stock	MPS,Monolithic Power Systems	Switching Voltage Regulators 1A 2MHz 55V Step Down Converter	SMD/SMT	SOIC-EP-8	- 40 C	+ 125 C	MPQ4558	Tube	1 A	0.8 V to 52 V	2 MHz	1 Output	55 V	Buck	3.8 V
MPQ4558DQ-LF-P	1+ $4.170 10+ $3.450 100+ $3.050 250+ $2.750 500+ $2.470	PDF RFQ	490 In-stock	MPS,Monolithic Power Systems	Switching Voltage Regulators 1A 2MHz 55V Step Down Converter	SMD/SMT	QFN-10	- 40 C	+ 125 C	MPQ4558	Reel	1 A	0.8 V to 52 V	2 MHz	1 Output	55 V	Buck	3.8 V