Switching Controllers – Mouser Italy

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Buck Converters for Power Over Ethernet

A buck converter is a power efficient voltage step-down converter that changes a higher voltage to a lower voltage. Whereas a linear regulator can achieve the same purpose, regulators can waste more energy via conversion of excess energy to heat. For this reason, a buck DC/DC converter is the preferred choice for power-efficient designs. A DC/DC boost converter, also known as a step-up converter, is a semiconductor device or electrical circuit that has an output DC voltage that is greater than the DC input voltage.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Topology	Number of Outputs	Switching Frequency	Duty Cycle - Max	Output Voltage	Output Current	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Package/Case	Qualification	Packaging
Switching Controllers Wide Inp Non-Sync Buck DC/DC Cntrlr TPS40200SHKJ Texas Instruments 1: 202,87 € 390In Stock	Mfr. Part No. TPS40200SHKJ Mouser Part No 595-TPS40200SHKJ	Texas Instruments	Switching Controllers Wide Inp Non-Sync Buck DC/DC Cntrlr	Datasheet	390In Stock	202,87 € 198,68 € 178,19 €	Min.: 1 Mult.: 1	Buck	1 Output	35 kHz to 500 kHz	100 %	700 mV to 46 V	3 A	- 55 C	+ 210 C	SMD/SMT	CFP-8		Tube
Switching Controllers Wide In Non-Sync Buc k DC/DC Cntrlr TPS40200GDR Texas Instruments 1: 2,12 € 29.243In Stock	Mfr. Part No. TPS40200GDR Mouser Part No 595-TPS40200GDR	Texas Instruments	Switching Controllers Wide In Non-Sync Buc k DC/DC Cntrlr	Datasheet	29.243In Stock	Cut Tape 2,12 € 1,58 € 1,44 € 1,29 € Reel 1,06 € View 1,22 € 1,18 € 1,14 € 1,03 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Buck	1 Output	35 kHz to 500 kHz	95 %	700 mV to 46 V	3 A	- 40 C	+ 85 C	SMD/SMT	SOIC-8		Reel, Cut Tape, MouseReel
Switching Controllers AUTO CAT WIDE-INPUT SYNCH BUCK TPS40051QPWPRQ1 Texas Instruments 1: 5,84 € 5.223In Stock	Mfr. Part No. TPS40051QPWPRQ1 Mouser Part No 595-TPS40051QPWPRQ1	Texas Instruments	Switching Controllers AUTO CAT WIDE-INPUT SYNCH BUCK	Datasheet	5.223In Stock	Cut Tape 5,84 € 4,48 € 4,14 € 3,77 € View Reel 3,23 € 3,59 € 3,47 € 3,44 € 3,23 € Quote MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Buck	1 Output	100 kHz to 1 MHz	85 %	700 mV to 35 V	20 A	- 40 C	+ 125 C	SMD/SMT	HTSSOP-16	AEC-Q100	Reel, Cut Tape, MouseReel
Switching Controllers Digitally enhanced power analog buck controller MCP19123T-E/MQ Microchip Technology 1: 5,13 € 3.299In Stock	Mfr. Part No. MCP19123T-E/MQ Mouser Part No 579-MCP19123T-E/MQ	Microchip Technology	Switching Controllers Digitally enhanced power analog buck controller Learn More about Microchip Technology microchip mcp19122 mcp19123 controllers	Datasheet	3.299In Stock	Cut Tape 5,13 € 4,28 € Reel 3,89 €	Min.: 1 Mult.: 1 : 3.300	Buck	1 Output	100 kHz to 1.6 MHz	100 %	300 mV to 16 V	4 A	- 40 C	+ 125 C	SMD/SMT	QFN-28		Reel, Cut Tape
Switching Controllers 4.5V-20V Buck Cntrlr A 595-TPS40195RGYT A 595-TPS40195RGYT TPS40195RGYR Texas Instruments 1: 3,10 € 4.368In Stock	Mfr. Part No. TPS40195RGYR Mouser Part No 595-TPS40195RGYR	Texas Instruments	Switching Controllers 4.5V-20V Buck Cntrlr A 595-TPS40195RGYT A 595-TPS40195RGYT	Datasheet	4.368In Stock	Cut Tape 3,10 € 2,31 € 2,12 € 1,90 € Reel 1,61 € View 1,80 € 1,75 € 1,67 € 1,58 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000	Buck	1 Output	600 kHz	85 %	591 mV to 17 V	20 A	- 40 C	+ 85 C	SMD/SMT	VQFN-16		Reel, Cut Tape, MouseReel
Switching Controllers Dual Output 2-Ph Syn ch Buck Cntrlr A 59 A 595-TPS5120DBT TPS5120DBTR Texas Instruments 1: 9,05 € 1.576In Stock	Mfr. Part No. TPS5120DBTR Mouser Part No 595-TPS5120DBTR	Texas Instruments	Switching Controllers Dual Output 2-Ph Syn ch Buck Cntrlr A 59 A 595-TPS5120DBT	Datasheet	1.576In Stock	Cut Tape 9,05 € 7,06 € 6,57 € 6,02 € View Reel 5,21 € 5,73 € 5,62 € 5,49 € 5,21 € MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Buck	2 Output	100 kHz to 500 kHz	83 %	900 mV to 26 V	20 A	- 40 C	+ 85 C	SMD/SMT	TSSOP-30		Reel, Cut Tape, MouseReel
Switching Controllers Adj Hi-Efficient Ste p-Dwn 20uA SOT-23 A A 595-TPS64203DBVT TPS64203DBVR Texas Instruments 1: 1,39 € 12.962In Stock	Mfr. Part No. TPS64203DBVR Mouser Part No 595-TPS64203DBVR	Texas Instruments	Switching Controllers Adj Hi-Efficient Ste p-Dwn 20uA SOT-23 A A 595-TPS64203DBVT	Datasheet	12.962In Stock	Cut Tape 1,39 € 1,04 € 0,955 € 0,858 € Reel 0,752 € View 0,813 € 0,784 € 0,78 € 0,735 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000	Buck	1 Output	800 kHz	100 %	1.2 V to 6.5 V	3 A	- 40 C	+ 85 C	SMD/SMT	SOT-23-6		Reel, Cut Tape, MouseReel
Switching Controllers High Efficiency High -Side N-Channel Con A 926-LM3477MMX/NOPB LM3477MM/NOPB Texas Instruments 1: 2,92 € 1.138In Stock	Mfr. Part No. LM3477MM/NOPB Mouser Part No 926-LM3477MM/NOPB	Texas Instruments	Switching Controllers High Efficiency High -Side N-Channel Con A 926-LM3477MMX/NOPB	Datasheet	1.138In Stock	Cut Tape 2,92 € 2,18 € 1,99 € 1,78 € View Reel 1,46 € 1,69 € 1,65 € 1,46 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Buck	1 Output	500 kHz	93 %	1.265 V	6 A	- 40 C	+ 125 C	SMD/SMT	VSSOP-8		Reel, Cut Tape, MouseReel
Switching Controllers Synchronous Buck Con troller A 595-TPS40 A 595-TPS40077PWP TPS40077PWPR Texas Instruments 1: 4,02 € 2.047In Stock	Mfr. Part No. TPS40077PWPR Mouser Part No 595-TPS40077PWPR	Texas Instruments	Switching Controllers Synchronous Buck Con troller A 595-TPS40 A 595-TPS40077PWP	Datasheet	2.047In Stock	Cut Tape 4,02 € 3,06 € 2,82 € 2,55 € View Reel 2,11 € 2,43 € 2,28 € 2,11 € MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Buck	1 Output	1 MHz	93 %	700 mV	20 A	- 40 C	+ 85 C	SMD/SMT	HTSSOP-16		Reel, Cut Tape, MouseReel
Switching Controllers 3V-20V Wide Inp Sync Buck Controller A 5 A 595-TPS40304ADRCT TPS40304ADRCR Texas Instruments 1: 1,17 € 2.896In Stock	Mfr. Part No. TPS40304ADRCR Mouser Part No 595-TPS40304ADRCR	Texas Instruments	Switching Controllers 3V-20V Wide Inp Sync Buck Controller A 5 A 595-TPS40304ADRCT	Datasheet	2.896In Stock	Cut Tape 1,17 € 0,955 € 0,869 € 0,768 € Reel 0,647 € View 0,722 € 0,693 € 0,685 € 0,64 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000	Buck	1 Output	600 kHz	90 %	600 mV to 18 V	25 A	- 40 C	+ 145 C	SMD/SMT	VSON-10		Reel, Cut Tape, MouseReel
Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C43DGK UCC38C43DGKR Texas Instruments 1: 1,74 € 3.881In Stock	Mfr. Part No. UCC38C43DGKR Mouser Part No 595-UCC38C43DGKR	Texas Instruments	Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C43DGK Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	3.881In Stock	Cut Tape 1,74 € 1,62 € 1,48 € 1,32 € Reel 1,13 € View 1,25 € 1,20 € 1,16 € 1,10 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Boost, Buck, Flyback, Forward	1 Output	1 MHz	100 %	18 V	1 A	0 C	+ 70 C	SMD/SMT	VSSOP-8		Reel, Cut Tape, MouseReel
Switching Controllers 3-28V In 20A Synch S tep Down Cntrlr A 5 A 595-TPS51218DSCT TPS51218DSCR Texas Instruments 1: 2,18 € 2.885In Stock	Mfr. Part No. TPS51218DSCR Mouser Part No 595-TPS51218DSCR	Texas Instruments	Switching Controllers 3-28V In 20A Synch S tep Down Cntrlr A 5 A 595-TPS51218DSCT	Datasheet	2.885In Stock	Cut Tape 2,18 € 1,62 € 1,47 € 1,32 € Reel 1,11 € View 1,25 € 1,20 € 1,16 € 1,03 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000	Buck	1 Output	465 kHz	91 %	700 mV to 2.6 V	20 A	- 40 C	+ 85 C	SMD/SMT	WSON-10		Reel, Cut Tape, MouseReel
Switching Controllers Adj Hi-Efficient Ste p-Dwn 20uA SOT-23 A A 595-TPS64200DBVT TPS64200DBVR Texas Instruments 1: 1,51 € 2.827In Stock	Mfr. Part No. TPS64200DBVR Mouser Part No 595-TPS64200DBVR	Texas Instruments	Switching Controllers Adj Hi-Efficient Ste p-Dwn 20uA SOT-23 A A 595-TPS64200DBVT	Datasheet	2.827In Stock	Cut Tape 1,51 € 1,11 € 1,01 € 0,903 € Reel 0,74 € View 0,842 € 0,811 € 0,807 € 0,727 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000	Buck	1 Output	350 kHz	100 %	1.2 V to 6.5 V	3 A	- 40 C	+ 85 C	SMD/SMT	SOT-23-6		Reel, Cut Tape, MouseReel
Switching Controllers Wide Input Sync Buck Cntrlr source/sink A 595-TPS40061PWP TPS40061PWPR Texas Instruments 1: 4,09 € 1.567In Stock	Mfr. Part No. TPS40061PWPR Mouser Part No 595-TPS40061PWPR	Texas Instruments	Switching Controllers Wide Input Sync Buck Cntrlr source/sink A 595-TPS40061PWP	Datasheet	1.567In Stock	Cut Tape 4,09 € 3,30 € 3,10 € 2,88 € 2,85 € Reel 2,84 € MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Buck	1 Output	100 kHz to 1 MHz	98 %	700 mV to 45 V	10 A	- 40 C	+ 85 C	SMD/SMT	HTSSOP-16		Reel, Cut Tape, MouseReel
Switching Controllers High Speed PWM Contr oller A 595-UC2823D A 595-UC2823DWTR UC2823DW Texas Instruments 1: 12,67 € 199In Stock	Mfr. Part No. UC2823DW Mouser Part No 595-UC2823DW	Texas Instruments	Switching Controllers High Speed PWM Contr oller A 595-UC2823D A 595-UC2823DWTR	Datasheet	199In Stock	12,67 € 10,00 € 9,06 € 8,51 € View 8,20 € 8,02 € 7,86 € Quote	Min.: 1 Mult.: 1	Boost, Buck, Flyback, Forward	1 Output	1 MHz	100 %	5.1 V	2 A	- 25 C	+ 85 C	SMD/SMT	SOIC-16		Tube
Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C40D UCC38C40DR Texas Instruments 1: 0,80 € 3.965In Stock	Mfr. Part No. UCC38C40DR Mouser Part No 595-UCC38C40DR	Texas Instruments	Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C40D Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	3.965In Stock	Cut Tape 0,80 € 0,575 € 0,519 € 0,456 € View Reel 0,358 € 0,427 € 0,409 € 0,395 € 0,358 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Boost, Buck, Flyback, Forward	1 Output	1 MHz	100 %	18 V	1 A	0 C	+ 70 C	SMD/SMT	SOIC-8		Reel, Cut Tape, MouseReel
Switching Controllers 4.5V to 20V Buck A 5 95-TPS40195PW A 595 A 595-TPS40195PW TPS40195PWR Texas Instruments 1: 3,01 € 2.344In Stock	Mfr. Part No. TPS40195PWR Mouser Part No 595-TPS40195PWR	Texas Instruments	Switching Controllers 4.5V to 20V Buck A 5 95-TPS40195PW A 595 A 595-TPS40195PW	Datasheet	2.344In Stock	Cut Tape 3,01 € 2,27 € 2,08 € 1,87 € View Reel 1,57 € 1,78 € 1,72 € 1,67 € 1,57 € MouseReel Available	Min.: 1 Mult.: 1 : 2.000	Buck	1 Output	600 kHz	85 %	591 mV	20 A	- 40 C	+ 85 C	SMD/SMT	TSSOP-16		Reel, Cut Tape, MouseReel
Switching Controllers Adj Hi-Efficient Ste p-Dwn 20uA SOT-23 A A 595-TPS64202DBVT TPS64202DBVR Texas Instruments 1: 1,51 € 2.520In Stock	Mfr. Part No. TPS64202DBVR Mouser Part No 595-TPS64202DBVR	Texas Instruments	Switching Controllers Adj Hi-Efficient Ste p-Dwn 20uA SOT-23 A A 595-TPS64202DBVT	Datasheet	2.520In Stock	Cut Tape 1,51 € 1,11 € 1,01 € 0,903 € Reel 0,752 € View 0,843 € 0,811 € 0,784 € 0,735 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000	Buck	1 Output	550 kHz	100 %	1.2 V to 6.5 V	3 A	- 40 C	+ 85 C	SMD/SMT	SOT-23-6		Reel, Cut Tape, MouseReel
Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C42D UCC38C42DR Texas Instruments 1: 0,903 € 3.261In Stock	Mfr. Part No. UCC38C42DR Mouser Part No 595-UCC38C42DR	Texas Instruments	Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C42D Learn More about Texas Instruments ti ucc28c4x q1 controllers	Datasheet	3.261In Stock	Cut Tape 0,903 € 0,654 € 0,59 € 0,52 € View Reel 0,405 € 0,487 € 0,467 € 0,454 € 0,405 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Boost, Buck, Flyback, Forward	1 Output	1 MHz	100 %	18 V	1 A	0 C	+ 70 C	SMD/SMT	SOIC-8		Reel, Cut Tape, MouseReel
Switching Controllers High Perf Sync Buck Cntrlr A 926-LM27402 A 926-LM27402MH/NOPB LM27402MHX/NOPB Texas Instruments 1: 2,91 € 2.190In Stock	Mfr. Part No. LM27402MHX/NOPB Mouser Part No 926-LM27402MHX/NOPB	Texas Instruments	Switching Controllers High Perf Sync Buck Cntrlr A 926-LM27402 A 926-LM27402MH/NOPB	Datasheet	2.190In Stock	Cut Tape 2,91 € 2,46 € 2,25 € 2,02 € Reel 1,75 € View 1,91 € 1,87 € 1,77 € 1,73 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Buck	1 Output	200 kHz to 1.2 MHz	95 %	600 mV to 18.6 V	30 A	- 40 C	+ 125 C	SMD/SMT	HTSSOP-16		Reel, Cut Tape, MouseReel
Switching Controllers Wide Input Range Syn c Buck Cntlr A 926- A 926-LM5117PMH/NOPB LM5117PMHE/NOPB Texas Instruments 1: 6,42 € 453In Stock	Mfr. Part No. LM5117PMHE/NOPB Mouser Part No 595-LM5117PMHE/NOPB	Texas Instruments	Switching Controllers Wide Input Range Syn c Buck Cntlr A 926- A 926-LM5117PMH/NOPB	Datasheet	453In Stock	Cut Tape 6,42 € 4,95 € 4,58 € 4,18 € Reel 3,66 € View 3,63 € 3,59 € MouseReel Available	Min.: 1 Mult.: 1 : 250	Buck	1 Output	50 kHz to 750 kHz	98 %	800 mV to 62 V	20 A	- 40 C	+ 125 C	SMD/SMT	HTSSOP-20		Reel, Cut Tape, MouseReel
Switching Controllers Low-Power BiCMOS Cur rent-Mode PWM A 595 A 595-UCC3802D UCC3802DTR Texas Instruments 1: 2,17 € 3.361In Stock	Mfr. Part No. UCC3802DTR Mouser Part No 595-UCC3802DTR	Texas Instruments	Switching Controllers Low-Power BiCMOS Cur rent-Mode PWM A 595 A 595-UCC3802D	Datasheet	3.361In Stock	Cut Tape 2,17 € 1,61 € 1,47 € 1,32 € View Reel 1,05 € 1,25 € 1,20 € 1,16 € 1,05 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Boost, Buck, Flyback, Forward	1 Output	1 MHz	100 %	5 V	1 A	0 C	+ 70 C	SMD/SMT	SOIC-8		Reel, Cut Tape, MouseReel
Switching Controllers 2.2-V to 16-V 2-MHz N-channel FET sync A A 926-LM2737MTCX/NOPB LM2737MTC/NOPB Texas Instruments 1: 2,36 € 1.089In Stock	Mfr. Part No. LM2737MTC/NOPB Mouser Part No 926-LM2737MTC/NOPB	Texas Instruments	Switching Controllers 2.2-V to 16-V 2-MHz N-channel FET sync A A 926-LM2737MTCX/NOPB	Datasheet	1.089In Stock	2,36 € 1,75 € 1,45 € 1,38 € View 1,35 € 1,30 € 1,26 € 1,22 € 1,20 €	Min.: 1 Mult.: 1	Buck	1 Output	2 MHz	90 %	600 mV to 5 V	20 A	- 40 C	+ 125 C	SMD/SMT	TSSOP-14		Tube
Switching Controllers 150V Low IQ Step-Dwn DC/DC Ctlr LTC3894EFE#PBF Analog Devices 1: 7,90 € 6.128In Stock	Mfr. Part No. LTC3894EFE#PBF Mouser Part No 584-LTC3894EFE#PBF	Analog Devices	Switching Controllers 150V Low IQ Step-Dwn DC/DC Ctlr Learn More about Analog Devices adi ltc389x controllers	Datasheet	6.128In Stock	7,90 € 6,15 € 5,31 € 5,11 € View 4,97 € 4,85 € 4,73 € 4,48 €	Min.: 1 Mult.: 1 Max.: 5.139	Buck	1 Output	50 kHz to 850 kHz	100 %	800 mV to 60 V	10 A	- 40 C	+ 125 C	SMD/SMT	TSSOP-20-16		Tube
Switching Controllers 150V L IQ, Sync Buck DC/DC Cntr LTC7801EFE#PBF Analog Devices 1: 11,63 € 2.119In Stock	Mfr. Part No. LTC7801EFE#PBF Mouser Part No 584-LTC7801EFEPBF	Analog Devices	Switching Controllers 150V L IQ, Sync Buck DC/DC Cntr	Datasheet	2.119In Stock	11,63 € 9,89 € 8,75 € 8,30 € 7,44 €	Min.: 1 Mult.: 1 Max.: 1.695	Buck	1 Output	50 kHz to 900 kHz	100 %	800 mV to 60 V	10 A	- 40 C	+ 125 C	SMD/SMT	TSSOP-24		Tube