Switching Controllers – Mouser Turkey

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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 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 Wide In Non-Sync Buc k DC/DC Cntrlr TPS40200GDR Texas Instruments 1: 2,12 € 29.316In Stock	Mfr. Part No. TPS40200GDR Mouser Part No 595-TPS40200GDR	Texas Instruments	Switching Controllers Wide In Non-Sync Buc k DC/DC Cntrlr	Datasheet	29.316In 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 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 40V Dual Low IQ, 100 DC Sync Buck CTL LTC7805RUFDM#TRPBF Analog Devices 1: 4,26 € 8.928In Stock	Mfr. Part No. LTC7805RUFDM#TRPBF Mouser Part No 584-LTC7805RUFDMTRPB	Analog Devices	Switching Controllers 40V Dual Low IQ, 100 DC Sync Buck CTL Learn More about Analog Devices adi ltc7805 step down controller	Datasheet	8.928In Stock	Cut Tape 4,26 € 4,16 € 4,15 € Reel 4,15 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Boost, Buck	2 Output	3 MHz	100 %	800 mV to 40 V	180 uA	- 40 C	+ 150 C	SMD/SMT	QFN-28		Reel, Cut Tape, MouseReel
Switching Controllers Digitally enhanced power analog buck controller MCP19122-E/MJ Microchip Technology 1: 4,77 € 359In Stock	Mfr. Part No. MCP19122-E/MJ Mouser Part No 579-MCP19122-E/MJ	Microchip Technology	Switching Controllers Digitally enhanced power analog buck controller Learn More about Microchip Technology microchip mcp19122 mcp19123 controllers	Datasheet	359In Stock	4,77 € 3,98 € 3,61 €	Min.: 1 Mult.: 1	Buck	1 Output	100 kHz to 1.6 MHz	100 %	300 mV to 16 V	4 A	- 40 C	+ 125 C	SMD/SMT	QFN-24		Tube
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 Fixed-Freq Notebook Sys Pwr Controller A A 595-TPS51220ARTVT TPS51220ARTVR Texas Instruments 1: 3,69 € 2.170In Stock	Mfr. Part No. TPS51220ARTVR Mouser Part No 595-TPS51220ARTVR	Texas Instruments	Switching Controllers Fixed-Freq Notebook Sys Pwr Controller A A 595-TPS51220ARTVT	Datasheet	2.170In Stock	Cut Tape 3,69 € 2,80 € 2,57 € 2,32 € Reel 2,00 € View 2,21 € 2,14 € 2,07 € 1,98 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000	Buck	2 Output	200 kHz to 1 MHz	99 %	1 V to 12 V	20 A	- 40 C	+ 85 C	SMD/SMT	WQFN-32		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 0,443 € 0,487 € 0,467 € 0,454 € 0,443 € 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 4.5-42V Wide Vin Co nstant On-Time Non-S A 926-LM25085AMME/NOPB LM25085AMM/NOPB Texas Instruments 1: 2,55 € 920In Stock	Mfr. Part No. LM25085AMM/NOPB Mouser Part No 926-LM25085AMM/NOPB	Texas Instruments	Switching Controllers 4.5-42V Wide Vin Co nstant On-Time Non-S A 926-LM25085AMME/NOPB	Datasheet	920In Stock	Cut Tape 2,55 € 1,91 € 1,75 € 1,57 € Reel 1,33 € View 1,48 € 1,44 € 1,32 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Buck	1 Output	1 MHz	100 %	900 mV to 42 V	1.75 A	- 40 C	+ 125 C	SMD/SMT	VSSOP-8		Reel, Cut Tape, MouseReel
Switching Controllers 2.2-V to 16-V 2-MHz N-channel FET sync A A 926-LM2737MTC/NOPB LM2737MTCX/NOPB Texas Instruments 1: 2,00 € 3.092In Stock	Mfr. Part No. LM2737MTCX/NOPB Mouser Part No 926-LM2737MTCX/NOPB	Texas Instruments	Switching Controllers 2.2-V to 16-V 2-MHz N-channel FET sync A A 926-LM2737MTC/NOPB	Datasheet	3.092In Stock	Cut Tape 2,00 € 1,49 € 1,36 € 1,21 € Reel 1,03 € View 1,14 € 1,11 € 1,08 € 1,01 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Buck	1 Output	600 kHz	90 %	600 mV to 5 V	20 A	- 40 C	+ 125 C	SMD/SMT	TSSOP-14		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 Automotive Grade 4.5 -35V Hysteretic Non A 926-LM3489QMM/NOPB LM3489QMMX/NOPB Texas Instruments 1: 1,79 € 2.748In Stock	Mfr. Part No. LM3489QMMX/NOPB Mouser Part No 926-LM3489QMMX/NOPB	Texas Instruments	Switching Controllers Automotive Grade 4.5 -35V Hysteretic Non A 926-LM3489QMM/NOPB	Datasheet	2.748In Stock	Cut Tape 1,79 € 1,32 € 1,20 € 1,08 € Reel 0,894 € View 1,01 € 0,98 € 0,972 € 0,877 € MouseReel Available	Min.: 1 Mult.: 1 : 3.500	Buck	1 Output	1 MHz to 1.4 MHz	100 %	1.239 V to 35 V	4 A	- 40 C	+ 125 C	SMD/SMT	VSSOP-8	AEC-Q100	Reel, Cut Tape, MouseReel
Switching Controllers 4.5-75V Wide Vin Co nstant On-Time Non-S A 926-LM5085MME/NOPB LM5085MMX/NOPB Texas Instruments 1: 2,75 € 3.280In Stock	Mfr. Part No. LM5085MMX/NOPB Mouser Part No 926-LM5085MMX/NOPB	Texas Instruments	Switching Controllers 4.5-75V Wide Vin Co nstant On-Time Non-S A 926-LM5085MME/NOPB	Datasheet	3.280In Stock	Cut Tape 2,75 € 2,06 € 1,89 € 1,70 € Reel 1,39 € View 1,61 € 1,58 € 1,50 € 1,38 € MouseReel Available	Min.: 1 Mult.: 1 : 3.500	Buck	1 Output	1 MHz	100 %	1.25 V to 75 V	1.75 A	- 40 C	+ 125 C	SMD/SMT	VSSOP-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: 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 4.5V-8V Input Synch Buck Contr A 595-TPS A 595-TPS40192DRCT TPS40192DRCR Texas Instruments 1: 2,49 € 4.740In Stock	Mfr. Part No. TPS40192DRCR Mouser Part No 595-TPS40192DRCR	Texas Instruments	Switching Controllers 4.5V-8V Input Synch Buck Contr A 595-TPS A 595-TPS40192DRCT	Datasheet	4.740In Stock	Cut Tape 2,49 € 1,86 € 1,70 € 1,53 € View Reel 1,25 € 1,44 € 1,39 € 1,34 € 1,25 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000	Buck	1 Output	600 kHz	85 %	591 mV to 14.4 V	20 A	- 40 C	+ 85 C	SMD/SMT	VSON-10		Reel, Cut Tape, MouseReel
Switching Controllers Adv Voltage Mode UCC35702D Texas Instruments 1: 9,96 € 274In Stock	Mfr. Part No. UCC35702D Mouser Part No 595-UCC35702D	Texas Instruments	Switching Controllers Adv Voltage Mode	Datasheet	274In Stock	9,96 € 7,80 € 6,93 € 6,05 € View 5,98 € 5,93 € Quote	Min.: 1 Mult.: 1	Boost, Buck	1 Output	700 kHz	99 %	9.6 V	1 A	0 C	+ 70 C	SMD/SMT	SOIC-14		Tube
Switching Controllers Low-Power BiCMOS Cur rent-Mode PWM A 595 A 595-UCC3802D UCC3802DTR Texas Instruments 1: 2,17 € 3.347In 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	3.347In 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 CONSTANT-CURRENT BUCK REGULATOR FOR DRIVING HIGH POWER LEDS NCV30161MNWTXG onsemi 1: 1,42 € 2.905In Stock	Mfr. Part No. NCV30161MNWTXG Mouser Part No 863-NCV30161MNWTXG	onsemi	Switching Controllers CONSTANT-CURRENT BUCK REGULATOR FOR DRIVING HIGH POWER LEDS Learn More about onsemi energy storage solutions	Datasheet	2.905In Stock	Cut Tape 1,42 € 1,04 € 0,946 € 0,833 € View Reel 0,647 € 0,783 € 0,752 € 0,743 € 0,647 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000	Buck	1 Output	2.4 MHz	100 %	1.36 V		- 40 C	+ 125 C	SMD/SMT	DFNW-10		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 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 2,09 € 2,43 € 2,28 € 2,09 € 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 Wide-Inp-Rng Nonsync Vltg-Mode Cntrlr TPS40200QDRQ1 Texas Instruments 1: 1,98 € 2.034In Stock	Mfr. Part No. TPS40200QDRQ1 Mouser Part No 595-TPS40200QDRQ1	Texas Instruments	Switching Controllers Wide-Inp-Rng Nonsync Vltg-Mode Cntrlr	Datasheet	2.034In Stock	Cut Tape 1,98 € 1,83 € 1,68 € 1,51 € Reel 1,28 € View 1,42 € 1,39 € 1,35 € 1,26 € 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	+ 125 C	SMD/SMT	SOIC-8	AEC-Q100	Reel, Cut Tape, MouseReel
Switching Controllers 3V-20V Wide Inp Sync Buck Controller A 5 A 595-TPS40304ADRCT TPS40304ADRCR Texas Instruments 1: 1,17 € 2.961In 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	2.961In 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 3-20V Wide Input Syn c Buck Controller A A 595-TPS40305DRCR TPS40305DRCT Texas Instruments 1: 2,40 € 1.838In Stock	Mfr. Part No. TPS40305DRCT Mouser Part No 595-TPS40305DRCT	Texas Instruments	Switching Controllers 3-20V Wide Input Syn c Buck Controller A A 595-TPS40305DRCR	Datasheet	1.838In Stock	Cut Tape 2,40 € 1,79 € 1,64 € 1,47 € Reel 1,26 € 1,22 € MouseReel Available	Min.: 1 Mult.: 1 : 250	Buck	1 Output	1.2 MHz	85 %	600 mV to 17 V	25 A	- 40 C	+ 125 C	SMD/SMT	VSON-10		Reel, Cut Tape, MouseReel