Switching Controllers – Mouser Thailand

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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 (THB) 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: ฿7,860.19 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	฿7,860.19 ฿7,697.59 ฿6,903.90	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: ฿82.30 24,227In Stock	Mfr. Part No. TPS40200GDR Mouser Part No 595-TPS40200GDR	Texas Instruments	Switching Controllers Wide In Non-Sync Buc k DC/DC Cntrlr	Datasheet	24,227In Stock	Cut Tape ฿82.30 ฿61.31 ฿55.98 ฿49.98 Reel ฿40.98 View ฿47.31 ฿45.65 ฿43.98 ฿39.98 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: ฿226.24 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 ฿226.24 ฿173.60 ฿160.27 ฿145.94 View Reel ฿124.95 ฿138.94 ฿134.61 ฿133.28 ฿124.95 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: ฿198.92 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 ฿198.92 ฿165.93 Reel ฿150.61	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: ฿164.93 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 ฿164.93 ฿161.27 ฿157.94 ฿154.60 View Reel ฿145.61 ฿152.27 ฿149.94 ฿147.61 ฿145.61 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 Synchronous Buck Con troller A 595-TPS40 A 595-TPS40077PWP TPS40077PWPR Texas Instruments 1: ฿155.94 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 ฿155.94 ฿118.62 ฿109.29 ฿98.96 View Reel ฿80.97 ฿93.96 ฿88.30 ฿80.97 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: ฿76.64 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 ฿76.64 ฿70.97 ฿64.97 ฿58.31 Reel ฿49.65 View ฿54.98 ฿53.98 ฿52.31 ฿48.65 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: ฿45.32 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 ฿45.32 ฿36.99 ฿33.65 ฿29.75 Reel ฿25.06 View ฿27.96 ฿26.86 ฿26.52 ฿24.79 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: ฿92.96 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 ฿92.96 ฿69.31 ฿63.64 ฿56.98 Reel ฿48.98 ฿47.31 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: ฿67.31 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 ฿67.31 ฿62.64 ฿57.31 ฿51.31 Reel ฿43.65 View ฿48.31 ฿46.65 ฿44.98 ฿42.65 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: ฿44.32 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 ฿44.32 ฿32.25 ฿29.22 ฿25.89 Reel ฿21.72 View ฿24.29 ฿23.32 ฿21.92 ฿21.02	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: ฿61.98 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 ฿61.98 ฿52.31 Reel ฿46.65 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 High Speed PWM Contr oller UC2823AN Texas Instruments 1: ฿1,139.88 66In Stock	Mfr. Part No. UC2823AN Mouser Part No 595-UC2823AN	Texas Instruments	Switching Controllers High Speed PWM Contr oller	Datasheet	66In Stock	฿1,139.88 ฿923.63 ฿790.02 ฿767.69 View ฿767.36 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: ฿73.64 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 ฿73.64 ฿54.64 ฿49.65 ฿44.65 Reel ฿36.32 View ฿41.98 ฿40.65 ฿38.98 ฿35.65 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 Wide Input Sync Buck Cntrlr source/sink A 595-TPS40061PWP TPS40061PWPR Texas Instruments 1: ฿164.93 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 ฿164.93 ฿130.28 ฿121.28 ฿110.29 Reel ฿108.96 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: ฿490.80 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	฿490.80 ฿387.51 ฿350.86 ฿329.87 View ฿317.87 ฿310.88 ฿304.54 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: ฿30.99 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 ฿30.99 ฿22.29 ฿20.09 ฿17.66 View Reel ฿13.86 ฿16.53 ฿15.83 ฿15.29 ฿13.86 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 16V Step-Down DCDC Controller XC9221A09AMR-G Torex Semiconductor 1: ฿45.32 2,650In Stock	Mfr. Part No. XC9221A09AMR-G Mouser Part No 865-XC9221A09AMR-G	Torex Semiconductor	Switching Controllers 16V Step-Down DCDC Controller Learn More about Torex Semiconductor torex xc92x dc dc step down controller ics	Datasheet	2,650In Stock	Cut Tape ฿45.32 ฿32.92 ฿29.85 ฿26.66 Reel ฿21.99 View ฿24.96 ฿23.96 ฿22.89 ฿21.52 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Buck	1 Output	1 MHz	100 %	1.2 V	3 A	- 40 C	+ 85 C	SMD/SMT	SOT-25-5		Reel, Cut Tape, MouseReel
Switching Controllers High Efficiency High -Side N-Channel Con A 926-LM3477MM/NOPB LM3477MMX/NOPB Texas Instruments 1: ฿93.63 4,003In Stock	Mfr. Part No. LM3477MMX/NOPB Mouser Part No 926-LM3477MMX/NOPB	Texas Instruments	Switching Controllers High Efficiency High -Side N-Channel Con A 926-LM3477MM/NOPB	Datasheet	4,003In Stock	Cut Tape ฿93.63 ฿69.97 ฿63.97 ฿57.31 Reel ฿46.31 View ฿54.31 ฿53.31 ฿50.65 ฿44.98 MouseReel Available	Min.: 1 Mult.: 1 : 3,500	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 4V-40V Input Current Mode Sync StpDwn Co MP2918GL-Z Monolithic Power Systems (MPS) 1: ฿63.31 10,000In Stock	Mfr. Part No. MP2918GL-Z Mouser Part No 946-MP2918GL-Z	Monolithic Power Systems (MPS)	Switching Controllers 4V-40V Input Current Mode Sync StpDwn Co	Datasheet	10,000In Stock	Cut Tape ฿63.31 ฿46.65 ฿42.32 ฿37.65 View Reel ฿31.25 ฿35.65 ฿34.32 ฿33.99 ฿32.02 ฿31.25 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Buck	1 Output	430 kHz	99.5 %	25 V	13.2 uA	- 40 C	+ 125 C	SMD/SMT	QFN-20		Reel, Cut Tape, MouseReel
Switching Controllers 38V DC-DC Buck Controller with HLL MIC2101YML-TR Microchip Technology 1: ฿49.65 6,966In Stock	Mfr. Part No. MIC2101YML-TR Mouser Part No 998-MIC2101YMLTR	Microchip Technology	Switching Controllers 38V DC-DC Buck Controller with HLL	Datasheet	6,966In Stock	Cut Tape ฿49.65 Reel ฿41.65 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 Digitally enhanced power analog buck controller MCP19122-E/MJ Microchip Technology 1: ฿184.93 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	฿184.93 ฿154.27 ฿139.94	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: ฿116.62 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 ฿116.62 ฿87.96 ฿80.63 ฿72.64 View Reel ฿60.64 ฿68.97 ฿66.64 ฿64.64 ฿60.64 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: ฿142.94 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 ฿142.94 ฿108.29 ฿99.63 ฿89.96 View Reel ฿77.30 ฿85.63 ฿82.97 ฿80.30 ฿77.30 Quote 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: ฿58.31 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 ฿58.31 ฿42.98 ฿38.98 ฿34.99 Reel ฿29.12 View ฿32.65 ฿31.42 ฿30.39 ฿28.49 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