Switching Controllers – Mouser Vietnam

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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 (USD) 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 AUTO CAT WIDE-INPUT SYNCH BUCK TPS40051QPWPRQ1 Texas Instruments 1: $5.58 5,226In Stock	Mfr. Part # TPS40051QPWPRQ1 Mouser Part # 595-TPS40051QPWPRQ1	Texas Instruments	Switching Controllers AUTO CAT WIDE-INPUT SYNCH BUCK	Datasheet	5,226In Stock	Cut Tape $5.58 $4.93 $4.73 $4.38 View Reel $3.74 $4.17 $4.04 $4.00 $3.74 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: $2.47 29,597In Stock	Mfr. Part # TPS40200GDR Mouser Part # 595-TPS40200GDR	Texas Instruments	Switching Controllers Wide In Non-Sync Buc k DC/DC Cntrlr	Datasheet	29,597In Stock	Cut Tape $2.47 $1.84 $1.68 $1.50 Reel $1.23 View $1.42 $1.37 $1.32 $1.20 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 Wide Input Range Syn c Buck Cntlr A 926- A 926-LM5117PMH/NOPB LM5117PMHE/NOPB Texas Instruments 1: $7.46 453In Stock	Mfr. Part # LM5117PMHE/NOPB Mouser Part # 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 $7.46 $5.76 $5.33 $4.86 Reel $4.28 View $4.27 $4.15 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: $2.52 3,384In Stock	Mfr. Part # UCC3802DTR Mouser Part # 595-UCC3802DTR	Texas Instruments	Switching Controllers Low-Power BiCMOS Cur rent-Mode PWM A 595 A 595-UCC3802D	Datasheet	3,384In Stock	Cut Tape $2.52 $1.87 $1.71 $1.53 Reel $1.23 View $1.45 $1.40 $1.35 $1.22 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: $2.74 1,087In Stock	Mfr. Part # LM2737MTC/NOPB Mouser Part # 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	1,087In Stock	$2.74 $2.05 $1.69 $1.60 View $1.57 $1.51 $1.47 $1.42 $1.39	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 Buck DC/DC Controller R1224N102M-TR-FE Nisshinbo 1: $1.54 3,093In Stock	Mfr. Part # R1224N102M-TR-FE Mouser Part # 848-R1224N102MTRFE	Nisshinbo	Switching Controllers Buck DC/DC Controller	Datasheet	3,093In Stock	Cut Tape $1.54 $1.13 $1.03 $0.907 Reel $0.72 View $0.852 $0.82 $0.759 $0.713 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Buck	1 Output	180 kHz	100 %	1 V to 18.5 V		- 40 C	+ 85 C	SMD/SMT	SOT-23-5		Reel, Cut Tape, MouseReel
Switching Controllers Synchronous Buck Con troller A 595-TPS40 A 595-TPS40077PWP TPS40077PWPR Texas Instruments 1: $4.13 2,050In Stock	Mfr. Part # TPS40077PWPR Mouser Part # 595-TPS40077PWPR	Texas Instruments	Switching Controllers Synchronous Buck Con troller A 595-TPS40 A 595-TPS40077PWP	Datasheet	2,050In Stock	Cut Tape $4.13 $3.13 $2.87 $2.60 Reel $2.25 View $2.46 $2.45 $2.31 $2.21 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: $1.36 2,963In Stock	Mfr. Part # TPS40304ADRCR Mouser Part # 595-TPS40304ADRCR	Texas Instruments	Switching Controllers 3V-20V Wide Inp Sync Buck Controller A 5 A 595-TPS40304ADRCT	Datasheet	2,963In Stock	Cut Tape $1.36 $1.11 $1.01 $0.893 Reel $0.745 View $0.839 $0.806 $0.796 $0.728 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 Sgl Sync SD Cntrlr A 595-TPS53014DGS A 5 A 595-TPS53014DGS TPS53014DGSR Texas Instruments 1: $2.65 2,148In Stock	Mfr. Part # TPS53014DGSR Mouser Part # 595-TPS53014DGSR	Texas Instruments	Switching Controllers Sgl Sync SD Cntrlr A 595-TPS53014DGS A 5 A 595-TPS53014DGS	Datasheet	2,148In Stock	Cut Tape $2.65 $1.98 $1.81 $1.62 Reel $1.36 View $1.53 $1.48 $1.43 $1.33 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Buck	1 Output	500 kHz	83 %	760 mV to 7 V	25 A	- 40 C	+ 85 C	SMD/SMT	MSOP-10		Reel, Cut Tape, MouseReel
Switching Controllers BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C43DGK UCC38C43DGKR Texas Instruments 1: $2.35 4,009In Stock	Mfr. Part # UCC38C43DGKR Mouser Part # 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	4,009In Stock	Cut Tape $2.35 $1.74 $1.59 $1.42 View Reel $1.23 $1.34 $1.30 $1.26 $1.23 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: $4.47 1,627In Stock	Mfr. Part # TPS40061PWPR Mouser Part # 595-TPS40061PWPR	Texas Instruments	Switching Controllers Wide Input Sync Buck Cntrlr source/sink A 595-TPS40061PWP	Datasheet	1,627In Stock	Cut Tape $4.47 $3.53 $3.29 $3.02 $2.88 Reel $2.87 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 BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C40D UCC38C40DR Texas Instruments 1: $0.93 3,975In Stock	Mfr. Part # UCC38C40DR Mouser Part # 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	3,975In Stock	Cut Tape $0.93 $0.669 $0.603 $0.53 View Reel $0.421 $0.496 $0.475 $0.459 $0.421 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 Two-Phase Sync SD Sw itching Cntlr A 926 A 926-LM2642MTC/NOPB LM2642MTCX/NOPB Texas Instruments 1: $4.08 2,193In Stock	Mfr. Part # LM2642MTCX/NOPB Mouser Part # 926-LM2642MTCX/NOPB	Texas Instruments	Switching Controllers Two-Phase Sync SD Sw itching Cntlr A 926 A 926-LM2642MTC/NOPB	Datasheet	2,193In Stock	Cut Tape $4.08 $3.09 $2.84 $2.57 View Reel $2.18 $2.44 $2.42 $2.28 $2.18 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Buck	2 Output	60 kHz	98 %	1.3 V to 30 V	6 A	- 40 C	+ 125 C	SMD/SMT	TSSOP-28		Reel, Cut Tape, MouseReel
Switching Controllers Digitally enhanced power analog buck controller MCP19123T-E/MQ Microchip Technology 1: $5.97 3,299In Stock	Mfr. Part # MCP19123T-E/MQ Mouser Part # 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 $5.97 $4.98 Reel $4.52	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: $3.61 4,368In Stock	Mfr. Part # TPS40195RGYR Mouser Part # 595-TPS40195RGYR	Texas Instruments	Switching Controllers 4.5V-20V Buck Cntrlr A 595-TPS40195RGYT A 595-TPS40195RGYT	Datasheet	4,368In Stock	Cut Tape $3.61 $2.69 $2.46 $2.21 Reel $1.87 View $2.09 $2.04 $1.94 $1.84 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: $10.52 1,699In Stock	Mfr. Part # TPS5120DBTR Mouser Part # 595-TPS5120DBTR	Texas Instruments	Switching Controllers Dual Output 2-Ph Syn ch Buck Cntrlr A 59 A 595-TPS5120DBT	Datasheet	1,699In Stock	Cut Tape $10.52 $8.21 $7.64 $7.00 View Reel $6.06 $6.66 $6.53 $6.38 $6.06 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 Fixed-Freq Notebook Sys Pwr Cntrlr A 595 A 595-TPS51222RTVR TPS51222RTVT Texas Instruments 1: $11.23 208In Stock	Mfr. Part # TPS51222RTVT Mouser Part # 595-TPS51222RTVT	Texas Instruments	Switching Controllers Fixed-Freq Notebook Sys Pwr Cntrlr A 595 A 595-TPS51222RTVR	Datasheet	208In Stock	Cut Tape $11.23 $8.79 $8.18 $7.51 Reel $6.79 View $6.70 Quote MouseReel Available	Min.: 1 Mult.: 1 : 250	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 3-28V In 20A Synch S tep Down Cntrlr A 5 A 595-TPS51218DSCT TPS51218DSCR Texas Instruments 1: $2.53 2,885In Stock	Mfr. Part # TPS51218DSCR Mouser Part # 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 $2.53 $1.88 $1.71 $1.54 Reel $1.29 View $1.45 $1.40 $1.35 $1.27 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: $1.75 2,830In Stock	Mfr. Part # TPS64200DBVR Mouser Part # 595-TPS64200DBVR	Texas Instruments	Switching Controllers Adj Hi-Efficient Ste p-Dwn 20uA SOT-23 A A 595-TPS64200DBVT	Datasheet	2,830In Stock	Cut Tape $1.75 $1.29 $1.17 $1.05 Reel $0.861 View $0.979 $0.943 $0.938 $0.845 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 2.2MHz Low Iq Sync B uck Controller A 59 A 595-LM25141QRGERQ1 LM25141QRGETQ1 Texas Instruments 1: $7.92 2,912In Stock	Mfr. Part # LM25141QRGETQ1 Mouser Part # 595-LM25141QRGETQ1	Texas Instruments	Switching Controllers 2.2MHz Low Iq Sync B uck Controller A 59 A 595-LM25141QRGERQ1 Learn More about Texas Instruments ti lm25141 controller	Datasheet	2,912In Stock	Cut Tape $7.92 $6.13 $5.68 $5.19 Reel $4.60 View $4.54 $4.45 $4.37 MouseReel Available	Min.: 1 Mult.: 1 : 250	Buck	1 Output	2.2 MHz	99 %	1.5 V to 15 V	20 A	- 40 C	+ 150 C	SMD/SMT	VQFN-24	AEC-Q100	Reel, Cut Tape, MouseReel
Switching Controllers 4.5V to 20V Buck A 5 95-TPS40195PW A 595 A 595-TPS40195PW TPS40195PWR Texas Instruments 1: $3.50 2,344In Stock	Mfr. Part # TPS40195PWR Mouser Part # 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 $3.50 $2.64 $2.42 $2.18 View Reel $1.82 $2.07 $2.00 $1.94 $1.82 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: $1.75 2,555In Stock	Mfr. Part # TPS64202DBVR Mouser Part # 595-TPS64202DBVR	Texas Instruments	Switching Controllers Adj Hi-Efficient Ste p-Dwn 20uA SOT-23 A A 595-TPS64202DBVT	Datasheet	2,555In Stock	Cut Tape $1.75 $1.29 $1.17 $1.05 Reel $0.874 View $0.98 $0.943 $0.912 $0.855 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 Versatile Automotive 60V/70V 2.2MHz Buck Controller with 7 A IQ and Optional Bypass Mode MAX25208ATPA/VY+ Analog Devices / Maxim Integrated 1: $8.81 5,492In Stock	Mfr. Part # MAX25208ATPA/VY+ Mouser Part # 700-MAX25208ATPA/VY+	Analog Devices / Maxim Integrated	Switching Controllers Versatile Automotive 60V/70V 2.2MHz Buck Controller with 7 A IQ and Optional Bypass Mode Learn More about Analog Devices / Maxim Integrated maxim max25206 max25207 max25208 controllers	Datasheet	5,492In Stock	$8.81 $6.84 $6.35 $5.80 View $5.09 $4.96 $4.86 Quote	Min.: 1 Mult.: 1 Max.: 4,393	Buck	1 Output	220 kHz to 2.2 MHz	99 %	5 V		- 40 C	+ 125 C	SMD/SMT	TQFN-EP-20		Tray
Switching Controllers 40V Dual Low IQ, 100 DC Sync Buck CTL LTC7805RUFDM#TRPBF Analog Devices 1: $8.75 8,928In Stock	Mfr. Part # LTC7805RUFDM#TRPBF Mouser Part # 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 $8.75 $6.86 $6.11 $5.74 $5.52 Reel $4.81 MouseReel Available	Min.: 1 Mult.: 1 Max.: 7,142 : 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 4.5V-8V Input Synch Buck Contr A 595-TPS A 595-TPS40192DRCT TPS40192DRCR Texas Instruments 1: $2.89 4,741In Stock	Mfr. Part # TPS40192DRCR Mouser Part # 595-TPS40192DRCR	Texas Instruments	Switching Controllers 4.5V-8V Input Synch Buck Contr A 595-TPS A 595-TPS40192DRCT	Datasheet	4,741In Stock	Cut Tape $2.89 $2.16 $1.98 $1.78 View Reel $1.44 $1.68 $1.65 $1.56 $1.44 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