Switching Controllers – Mouser Sweden

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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 (SEK) 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: 2 282,29 kr 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	2 282,29 kr 2 235,15 kr 2 004,64 kr	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: 23,85 kr 29 239In 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 239In Stock	Cut Tape 23,85 kr 17,78 kr 16,20 kr 14,51 kr Reel 11,93 kr View 13,73 kr 13,28 kr 12,83 kr 11,59 kr 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: 65,70 kr 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 65,70 kr 50,40 kr 46,58 kr 42,41 kr View Reel 36,34 kr 40,39 kr 39,04 kr 38,70 kr 36,34 kr 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 3-28V In 20A Synch S tep Down Cntrlr A 5 A 595-TPS51218DSCT TPS51218DSCR Texas Instruments 1: 24,53 kr 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 24,53 kr 18,23 kr 16,54 kr 14,85 kr Reel 12,49 kr View 14,06 kr 13,50 kr 13,05 kr 11,59 kr 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: 16,99 kr 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 16,99 kr 12,49 kr 11,36 kr 10,16 kr Reel 8,33 kr View 9,47 kr 9,12 kr 9,08 kr 8,18 kr 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 Digitally enhanced power analog buck controller MCP19123T-E/MQ Microchip Technology 1: 57,71 kr 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 57,71 kr 48,15 kr Reel 43,76 kr	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: 34,88 kr 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 34,88 kr 25,99 kr 23,85 kr 21,38 kr Reel 18,11 kr View 20,25 kr 19,69 kr 18,79 kr 17,78 kr 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: 101,81 kr 1 574In 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 574In Stock	Cut Tape 101,81 kr 79,43 kr 73,91 kr 67,73 kr View Reel 58,61 kr 64,46 kr 63,23 kr 61,76 kr 58,61 kr 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: 15,64 kr 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 15,64 kr 11,70 kr 10,74 kr 9,65 kr Reel 8,46 kr View 9,15 kr 8,82 kr 8,78 kr 8,27 kr 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: 32,85 kr 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 32,85 kr 24,53 kr 22,39 kr 20,03 kr View Reel 16,43 kr 19,01 kr 18,56 kr 16,43 kr 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 4.5V to 20V Buck A 5 95-TPS40195PW A 595 A 595-TPS40195PW TPS40195PWR Texas Instruments 1: 33,86 kr 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 33,86 kr 25,54 kr 23,40 kr 21,04 kr View Reel 17,66 kr 20,03 kr 19,35 kr 18,79 kr 17,66 kr 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: 16,99 kr 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 16,99 kr 12,49 kr 11,36 kr 10,16 kr Reel 8,46 kr View 9,48 kr 9,12 kr 8,82 kr 8,27 kr 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: 10,16 kr 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 10,16 kr 7,36 kr 6,64 kr 5,85 kr View Reel 4,56 kr 5,48 kr 5,25 kr 5,11 kr 4,56 kr 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: 32,74 kr 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 32,74 kr 27,68 kr 25,31 kr 22,73 kr Reel 19,69 kr View 21,49 kr 21,04 kr 19,91 kr 19,46 kr 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 Synchronous Buck Con troller A 595-TPS40 A 595-TPS40077PWP TPS40077PWPR Texas Instruments 1: 45,23 kr 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 45,23 kr 34,43 kr 31,73 kr 28,69 kr View Reel 23,51 kr 27,34 kr 25,65 kr 23,51 kr 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: 13,16 kr 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 13,16 kr 10,74 kr 9,78 kr 8,64 kr Reel 7,28 kr View 8,12 kr 7,80 kr 7,71 kr 7,20 kr 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: 19,58 kr 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 19,58 kr 18,23 kr 16,65 kr 14,85 kr Reel 12,71 kr View 14,06 kr 13,50 kr 13,05 kr 12,38 kr 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 Wide Input Sync Buck Cntrlr source/sink A 595-TPS40061PWP TPS40061PWPR Texas Instruments 1: 46,01 kr 1 562In 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 562In Stock	Cut Tape 46,01 kr 37,13 kr 34,88 kr 32,40 kr 32,06 kr Reel 31,95 kr 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: 142,54 kr 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	142,54 kr 112,50 kr 101,93 kr 95,74 kr View 92,25 kr 90,23 kr 88,43 kr 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: 9,00 kr 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 9,00 kr 6,47 kr 5,84 kr 5,13 kr View Reel 4,03 kr 4,80 kr 4,60 kr 4,44 kr 4,03 kr 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 Wide Input Range Syn c Buck Cntlr A 926- A 926-LM5117PMH/NOPB LM5117PMHE/NOPB Texas Instruments 1: 72,23 kr 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 72,23 kr 55,69 kr 51,53 kr 47,03 kr Reel 41,18 kr View 40,84 kr 40,39 kr 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: 24,41 kr 3 350In 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 350In Stock	Cut Tape 24,41 kr 18,11 kr 16,54 kr 14,85 kr View Reel 11,81 kr 14,06 kr 13,50 kr 13,05 kr 11,81 kr 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: 26,55 kr 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	26,55 kr 19,69 kr 16,31 kr 15,53 kr View 15,19 kr 14,63 kr 14,18 kr 13,73 kr 13,50 kr	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: 88,88 kr 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	88,88 kr 69,19 kr 59,74 kr 57,49 kr View 55,91 kr 54,56 kr 53,21 kr 50,40 kr	Min.: 1 Mult.: 1	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: 130,84 kr 1 989In Stock	Mfr. Part No. LTC7801EFE#PBF Mouser Part No 584-LTC7801EFEPBF	Analog Devices	Switching Controllers 150V L IQ, Sync Buck DC/DC Cntr	Datasheet	1 989In Stock	130,84 kr 111,26 kr 98,44 kr 93,38 kr 83,70 kr	Min.: 1 Mult.: 1	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