Switching Controllers – Mouser Lithuania

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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 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: 2,44 € 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 2,44 € 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 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 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
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 € View Reel 1,19 € 1,25 € 1,20 € 1,19 € 1,19 € 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 Dual-Channel Synchronous DC-DC Step-Down Controller with 5V/3.3V LDOs RT6575BGQW Richtek 1: 1,14 € 2 890In Stock	Mfr. Part No. RT6575BGQW Mouser Part No 835-RT6575BGQW	Richtek	Switching Controllers Dual-Channel Synchronous DC-DC Step-Down Controller with 5V/3.3V LDOs	Datasheet	2 890In Stock	Cut Tape 1,14 € 0,832 € 0,754 € 0,668 € Reel 0,561 € View 0,627 € 0,602 € 0,566 € 0,543 €	Min.: 1 Mult.: 1 : 1 500	Buck	4 Output	300 kHz, 355 kHz	98 %	Adjustable	100 mA	- 40 C	+ 85 C	SMD/SMT	WQFN-20		Reel, Cut Tape
Switching Controllers 75V DC-DC Buck Controller with HLL MIC2103YML-TR Microchip Technology 1: 1,59 € 1 616In Stock	Mfr. Part No. MIC2103YML-TR Mouser Part No 998-MIC2103YMLTR	Microchip Technology	Switching Controllers 75V DC-DC Buck Controller with HLL	Datasheet	1 616In Stock	Cut Tape 1,59 € 1,35 € Reel 1,20 € MouseReel Available	Min.: 1 Mult.: 1 : 5 000	Buck	1 Output	200 kHz to 600 kHz	85 %	800 mV to 24 V	15 A	- 40 C	+ 125 C	SMD/SMT	MLF-16		Reel, Cut Tape, MouseReel
Switching Controllers COOLSET ICE5AR3995BZXKLA1 Infineon Technologies 1: 1,43 € 1 680In Stock	Mfr. Part No. ICE5AR3995BZXKLA1 Mouser Part No 726-ICE5AR3995BZXKLA	Infineon Technologies	Switching Controllers COOLSET Learn More about Infineon Technologies infineon fixed frequency coolset	Datasheet	1 680In Stock	1,43 € 1,05 € 0,894 € 0,846 € View 0,796 € 0,766 € 0,74 € 0,712 € 0,696 €	Min.: 1 Mult.: 1	Buck, Flyback	1 Output	65 kHz	80 %	15 V		- 40 C	+ 150 C	Through Hole	DIP-7		Tube
Switching Controllers High Speed PWM Contr oller UC2823AN Texas Instruments 1: 29,42 € 66In Stock	Mfr. Part No. UC2823AN Mouser Part No 595-UC2823AN	Texas Instruments	Switching Controllers High Speed PWM Contr oller	Datasheet	66In Stock	29,42 € 23,84 € 20,39 € 19,81 € Quote Quote	Min.: 1 Mult.: 1	Boost, Buck, Flyback, Forward	2 Output	1 MHz	100 %	5.1 V	2 A	- 40 C	+ 85 C	Through Hole	PDIP-16		Tube
Switching Controllers Low Power Economy Bi CMOS Current Mode A A 595-UCC3813D-3 UCC3813DTR-3 Texas Instruments 1: 1,90 € 1 855In Stock	Mfr. Part No. UCC3813DTR-3 Mouser Part No 595-UCC3813DTR-3	Texas Instruments	Switching Controllers Low Power Economy Bi CMOS Current Mode A A 595-UCC3813D-3	Datasheet	1 855In Stock	Cut Tape 1,90 € 1,41 € 1,28 € 1,15 € Reel 0,937 € View 1,08 € 1,05 € 1,01 € 0,92 € MouseReel Available	Min.: 1 Mult.: 1 : 2 500	Boost, Buck, Flyback, Forward	1 Output	1 MHz	100 %	4.1 V	1 A	0 C	+ 70 C	SMD/SMT	SOIC-8		Reel, Cut Tape, MouseReel
Switching Controllers Monolithic SMPS Controller MIC38C43YM-TR Microchip Technology 1: 1,10 € 2 182In Stock	Mfr. Part No. MIC38C43YM-TR Mouser Part No 998-MIC38C43YMTR	Microchip Technology	Switching Controllers Monolithic SMPS Controller	Datasheet	2 182In Stock	Cut Tape 1,10 € 1,08 € Reel 0,917 € MouseReel Available	Min.: 1 Mult.: 1 : 2 500	Boost, Buck, Flyback, Forward	1 Output	500 kHz	96 %	5 V	500 mA	- 40 C	+ 85 C	SMD/SMT	SOIC-8		Reel, Cut Tape, MouseReel
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 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 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