Switching Controllers – Mouser Denmark

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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 (DKK) 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 2ch.Step-Up/Down DC/DC Controller Ics XC9502B093AR-G Torex Semiconductor 1.000: 8,50 kr. Non-Stocked	Mfr. Part No. XC9502B093AR-G Mouser Part No 865-XC9502B093AR-G	Torex Semiconductor	Switching Controllers 2ch.Step-Up/Down DC/DC Controller Ics	Datasheet	Non-Stocked	Reel 8,50 kr. 8,28 kr. 8,13 kr.	Min.: 1.000 Mult.: 1.000 : 1.000	Boost, Buck	2 Output	300 kHz	100 %	900 mV to 10 V	300 mA, 1 A	- 40 C	+ 85 C	SMD/SMT	MSOP-10		Reel
Switching Controllers 2ch.Step-Down DC/DC Controller Ics XC9503B092AR-G Torex Semiconductor 1.000: 8,50 kr. Non-Stocked	Mfr. Part No. XC9503B092AR-G Mouser Part No 865-XC9503B092AR-G	Torex Semiconductor	Switching Controllers 2ch.Step-Down DC/DC Controller Ics	Datasheet	Non-Stocked	Reel 8,50 kr. 8,28 kr. 8,13 kr.	Min.: 1.000 Mult.: 1.000 : 1.000	Buck	2 Output	180 kHz	100 %	900 mV to 10 V	1 A	- 40 C	+ 85 C	SMD/SMT	MSOP-10		Reel
Switching Controllers 2ch. Step-Down / Inverting DC/DC Controller IC XC9505B092AR-G Torex Semiconductor 1.000: 8,50 kr. Non-Stocked	Mfr. Part No. XC9505B092AR-G Mouser Part No 865-XC9505B092AR-G	Torex Semiconductor	Switching Controllers 2ch. Step-Down / Inverting DC/DC Controller IC	Datasheet	Non-Stocked	Reel 8,50 kr. 8,28 kr. 8,13 kr.	Min.: 1.000 Mult.: 1.000 : 1.000	Buck	2 Output	180 kHz	100 %	900 mV to 10 V	1 A	- 40 C	+ 85 C	SMD/SMT	MSOP-10		Reel
Switching Controllers 2ch. Step-Down / Inverting DC/DC Controller IC XC9505B095DR-G Torex Semiconductor 3.000: 8,43 kr. Non-Stocked	Mfr. Part No. XC9505B095DR-G Mouser Part No 865-XC9505B095DR-G	Torex Semiconductor	Switching Controllers 2ch. Step-Down / Inverting DC/DC Controller IC	Datasheet	Non-Stocked	Reel 8,43 kr. 8,21 kr.	Min.: 3.000 Mult.: 3.000 : 3.000	Buck	2 Output	500 kHz	100 %	900 mV to 10 V	1 A	- 40 C	+ 85 C	SMD/SMT	USP-10		Reel
Switching Controllers Low-Vtg Sync Buck Cn tlr A 926-LM1770TMF A 926-LM1770TMFX/NOPB LM1770TMF/NOPB Texas Instruments 1.000: 10,22 kr. Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. LM1770TMF/NOPB Mouser Part No 926-LM1770TMF/NOPB	Texas Instruments	Switching Controllers Low-Vtg Sync Buck Cn tlr A 926-LM1770TMF A 926-LM1770TMFX/NOPB	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel 10,22 kr.	Min.: 1.000 Mult.: 1.000 : 1.000	Buck	1 Output	100 kHz to 1 MHz	95 %	800 mV to 4.5 V	4 A	- 40 C	+ 125 C	SMD/SMT	SOT-23-5		Reel
Switching Controllers Low-Vtg Sync Buck Cn tlr LM1771TMM/NOPB Texas Instruments 1.000: 8,43 kr. Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. LM1771TMM/NOPB Mouser Part No 926-LM1771TMM/NOPB	Texas Instruments	Switching Controllers Low-Vtg Sync Buck Cn tlr	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel 8,43 kr.	Min.: 1.000 Mult.: 1.000 : 1.000	Buck	1 Output	100 kHz to 1 MHz	95 %	800 mV to 4.5 V	6 A	- 40 C	+ 125 C	SMD/SMT	VSSOP-8		Reel
Switching Controllers 42V Constant On-Time PFET Switching Cntl A 926-LM25085ASD/NOPB LM25085ASDE/NOPB Texas Instruments 1: 19,92 kr. Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. LM25085ASDE/NOPB Mouser Part No 926-LM25085ASDE/NOPB	Texas Instruments	Switching Controllers 42V Constant On-Time PFET Switching Cntl A 926-LM25085ASD/NOPB	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape 19,92 kr. 14,85 kr. 13,58 kr. 12,23 kr. Reel 11,04 kr. MouseReel Available	Min.: 1 Mult.: 1 : 250	Buck	1 Output	1 MHz	100 %	900 mV to 42 V	1.75 A	- 40 C	+ 125 C	SMD/SMT	LLP-8		Reel, Cut Tape, MouseReel
Switching Controllers Automotive Grade 4.5 -42V Wide Vin Const A 926-LM25085QMYE/NOPB LM25085QMY/NOPB Texas Instruments 1: 24,17 kr. Lead-Time 26 Weeks	Mfr. Part No. LM25085QMY/NOPB Mouser Part No 926-LM25085QMY/NOPB	Texas Instruments	Switching Controllers Automotive Grade 4.5 -42V Wide Vin Const A 926-LM25085QMYE/NOPB	Datasheet	Lead-Time 26 Weeks	Cut Tape 24,17 kr. 18,13 kr. 16,64 kr. 14,99 kr. View Reel 12,98 kr. 14,17 kr. 13,95 kr. 12,98 kr. MouseReel Available	Min.: 1 Mult.: 1 : 1.000	Buck	1 Output	1 MHz	100 %	1.25 V to 42 V	1.75 A	- 40 C	+ 125 C	SMD/SMT	MSOP-PowerPad-8	AEC-Q100	Reel, Cut Tape, MouseReel
Switching Controllers 4.5-42V Wide Vin Cu rrent Mode Dual Sync A 926-LM25119PSQE/NOPB LM25119PSQX/NOPB Texas Instruments 4.500: 28,72 kr. Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. LM25119PSQX/NOPB Mouser Part No 926-LM25119PSQX/NOPB	Texas Instruments	Switching Controllers 4.5-42V Wide Vin Cu rrent Mode Dual Sync A 926-LM25119PSQE/NOPB	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel 28,72 kr.	Min.: 4.500 Mult.: 4.500 : 4.500	Buck	2 Output	50 kHz to 750 kHz	95 %	800 mV to 41.3 V	40 A	- 40 C	+ 125 C	SMD/SMT	WQFN-32		Reel
Switching Controllers High Perf Sync Buck Cntrlr A 926-LM27402 A 926-LM27402MHX/NOPB LM27402MH/NOPB Texas Instruments 460: 16,71 kr. Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. LM27402MH/NOPB Mouser Part No 926-LM27402MH/NOPB	Texas Instruments	Switching Controllers High Perf Sync Buck Cntrlr A 926-LM27402 A 926-LM27402MHX/NOPB	Datasheet	Non-Stocked Lead-Time 26 Weeks	16,71 kr. 16,19 kr.	Min.: 460 Mult.: 92	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		Tube
Switching Controllers 3-V to 20-V voltage mode synchronous bu A 926-LM27402SQ/NOPB LM27402SQX/NOPB Texas Instruments 4.500: 13,95 kr. Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. LM27402SQX/NOPB Mouser Part No 926-LM27402SQX/NOPB	Texas Instruments	Switching Controllers 3-V to 20-V voltage mode synchronous bu A 926-LM27402SQ/NOPB	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel 13,95 kr.	Min.: 4.500 Mult.: 4.500 : 4.500	Buck	1 Output	200 kHz to 1.2 MHz	95 %	600 mV to 18.6 V	30 A	- 40 C	+ 125 C	SMD/SMT	WQFN-16		Reel
Switching Controllers 1-V to 14-V voltage mode synchronous bu A 926-LM2747MTC/NOPB LM2747MTCX/NOPB Texas Instruments 2.500: 11,34 kr. Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. LM2747MTCX/NOPB Mouser Part No 926-LM2747MTCX/NOPB	Texas Instruments	Switching Controllers 1-V to 14-V voltage mode synchronous bu A 926-LM2747MTC/NOPB	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel 11,34 kr.	Min.: 2.500 Mult.: 2.500 : 2.500	Buck	1 Output	50 kHz to 1 MHz	86 %	600 mV to 13.5 V	20 A	- 40 C	+ 125 C	SMD/SMT	TSSOP-14		Reel
Switching Controllers 42V Synchronous Step -Down Controller wi A 926-LM3152MHE33NOPB LM3152MH-3.3/NOPB Texas Instruments 1: 33,79 kr. Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. LM3152MH-3.3/NOPB Mouser Part No 926-LM3152MH33NOPB	Texas Instruments	Switching Controllers 42V Synchronous Step -Down Controller wi A 926-LM3152MHE33NOPB Learn More about Texas Instruments ti LM315x	Datasheet	Non-Stocked Lead-Time 26 Weeks	33,79 kr. 25,66 kr. 23,57 kr. 20,89 kr. View 20,44 kr. 19,92 kr.	Min.: 1 Mult.: 1	Buck	1 Output	500 kHz	81 %	3.3 V	12 A	- 40 C	+ 125 C	SMD/SMT	HTSSOP-14		Tube
Switching Controllers 650mA Miniature Adj ustable Step-Down D LM3205SD-2/NOPB Texas Instruments 1.000: 4,95 kr. Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. LM3205SD-2/NOPB Mouser Part No 926-LM3205SD-2/NOPB	Texas Instruments	Switching Controllers 650mA Miniature Adj ustable Step-Down D	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel 4,95 kr.	Min.: 1.000 Mult.: 1.000 : 1.000	Buck	1 Output	2 MHz	96 %	800 mV to 3.6 V	650 mA	- 30 C	+ 85 C	SMD/SMT	WSON-10		Reel
Switching Controllers 2.9-V to 18-V emula ted peak current mod A 926-LM3495MTC/NOPB LM3495MTCX/NOPB Texas Instruments 2.500: 18,13 kr. Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. LM3495MTCX/NOPB Mouser Part No 926-LM3495MTCX/NOPB	Texas Instruments	Switching Controllers 2.9-V to 18-V emula ted peak current mod A 926-LM3495MTC/NOPB	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel 18,13 kr.	Min.: 2.500 Mult.: 2.500 : 2.500	Buck	1 Output	200 kHz to 1.5 MHz	80 %	600 mV to 5.5 V	10 A	- 40 C	+ 125 C	SMD/SMT	TSSOP-16		Reel
Switching Controllers 4.5-V to 18-V scala ble 2-phase synchron A 926-LM3754SQX/NOPB LM3754SQ/NOPB Texas Instruments 1.000: 43,94 kr. Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. LM3754SQ/NOPB Mouser Part No 926-LM3754SQ/NOPB	Texas Instruments	Switching Controllers 4.5-V to 18-V scala ble 2-phase synchron A 926-LM3754SQX/NOPB	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel 43,94 kr.	Min.: 1.000 Mult.: 1.000 : 1.000	Buck	2 Output	200 kHz to 1 MHz	81 %	600 mV to 3.6 V	50 A	- 5 C	+ 125 C	SMD/SMT	WQFN-32		Reel
Switching Controllers 4V-60V Input Current Sync Step-Down Cntrl MP2908AGF-P Monolithic Power Systems (MPS) 500: 11,79 kr. Non-Stocked Lead-Time 57 Weeks	Mfr. Part No. MP2908AGF-P Mouser Part No 946-MP2908AGF-P	Monolithic Power Systems (MPS)	Switching Controllers 4V-60V Input Current Sync Step-Down Cntrl	Datasheet	Non-Stocked Lead-Time 57 Weeks	Reel 11,79 kr.	Min.: 500 Mult.: 500 : 500	Buck	1 Output	1 MHz	99.5 %	24 V		- 40 C	+ 125 C	SMD/SMT	TSSOP-EP-20		Reel
Switching Controllers 4V-40V Input Current Mode Sync StpDwn Con MP2918GF-Z Monolithic Power Systems (MPS) 1: 13,95 kr. Non-Stocked Lead-Time 50 Weeks	Mfr. Part No. MP2918GF-Z Mouser Part No 946-MP2918GF-Z	Monolithic Power Systems (MPS)	Switching Controllers 4V-40V Input Current Mode Sync StpDwn Con	Datasheet	Non-Stocked Lead-Time 50 Weeks	Cut Tape 13,95 kr. 10,29 kr. 9,40 kr. 8,36 kr. View Reel 7,61 kr. 7,91 kr. 7,61 kr. 7,61 kr.	Min.: 1 Mult.: 1 : 2.500	Buck	1 Output	430 kHz	99.5 %	25 V	13.2 uA	- 40 C	+ 125 C	SMD/SMT	TSSOP-20		Reel, Cut Tape
Switching Controllers Industrial Grade, 4V-60V Input, Current Mode Synchronous Step-Down Controller MPQ2908AGF-P Monolithic Power Systems (MPS) 500: 14,17 kr. Non-Stocked Lead-Time 37 Weeks	Mfr. Part No. MPQ2908AGF-P Mouser Part No 946-MPQ2908AGF-P	Monolithic Power Systems (MPS)	Switching Controllers Industrial Grade, 4V-60V Input, Current Mode Synchronous Step-Down Controller	Datasheet	Non-Stocked Lead-Time 37 Weeks	Reel 14,17 kr.	Min.: 500 Mult.: 500 : 500	Buck	1 Output	100 kHz to 1 MHz	99.5 %	25 V		- 40 C	+ 125 C	SMD/SMT	TSSOP-EP-20		Reel
Switching Controllers 4V-60V Input, Current Mode Synchronous Step-Down Controller, Wettable Flank Package. MPQ2908AGLE-AEC1-P Monolithic Power Systems (MPS) 500: 15,29 kr. Non-Stocked Lead-Time 44 Weeks	Mfr. Part No. MPQ2908AGLE-AEC1-P Mouser Part No 946-MPQ2908AGLEAEC1P	Monolithic Power Systems (MPS)	Switching Controllers 4V-60V Input, Current Mode Synchronous Step-Down Controller, Wettable Flank Package.	Datasheet	Non-Stocked Lead-Time 44 Weeks	Reel 15,29 kr.	Min.: 500 Mult.: 500 : 500	Buck	1 Output	100 kHz to 1 MHz	99.5 %	25 V		- 40 C	+ 125 C	SMD/SMT	QFN-20	AEC-Q100	Reel
Switching Controllers 4V-60V Input, Current Mode Synchronous Step-Down Controller, Wettable Flank Package. MPQ2908AGLE-AEC1-Z Monolithic Power Systems (MPS) 5.000: 13,88 kr. Non-Stocked Lead-Time 37 Weeks	Mfr. Part No. MPQ2908AGLE-AEC1-Z Mouser Part No 946-MPQ2908AGLEAEC1Z	Monolithic Power Systems (MPS)	Switching Controllers 4V-60V Input, Current Mode Synchronous Step-Down Controller, Wettable Flank Package.	Datasheet	Non-Stocked Lead-Time 37 Weeks	Reel 13,88 kr.	Min.: 5.000 Mult.: 5.000 : 5.000	Buck	1 Output	100 kHz to 1 MHz	99.5 %	25 V		- 40 C	+ 125 C	SMD/SMT	QFN-20	AEC-Q100	Reel
Switching Controllers Automotive Grade.4V-40V Input, Current Mode Synchronous Step-Down Controller MPQ2918GF-AEC1-P Monolithic Power Systems (MPS) 500: 12,01 kr. Non-Stocked Lead-Time 44 Weeks	Mfr. Part No. MPQ2918GF-AEC1-P Mouser Part No 946-MPQ2918GF-AEC1-P	Monolithic Power Systems (MPS)	Switching Controllers Automotive Grade.4V-40V Input, Current Mode Synchronous Step-Down Controller	Datasheet	Non-Stocked Lead-Time 44 Weeks	Reel 12,01 kr.	Min.: 500 Mult.: 500 : 500	Buck	1 Output	100 kHz to 1 MHz	99.5 %	25 V				SMD/SMT	TSSOP-EP-20	AEC-Q100	Reel
Switching Controllers Automotive Grade.4V-40V Input, Current Mode Synchronous Step-Down Controller MPQ2918GF-AEC1-Z Monolithic Power Systems (MPS) 2.500: 10,59 kr. Non-Stocked Lead-Time 37 Weeks	Mfr. Part No. MPQ2918GF-AEC1-Z Mouser Part No 946-MPQ2918GF-AEC1-Z	Monolithic Power Systems (MPS)	Switching Controllers Automotive Grade.4V-40V Input, Current Mode Synchronous Step-Down Controller	Datasheet	Non-Stocked Lead-Time 37 Weeks	Reel 10,59 kr.	Min.: 2.500 Mult.: 2.500 : 2.500	Buck	1 Output	100 kHz to 1 MHz	99.5 %	25 V		- 40 C	+ 125 C	SMD/SMT	TSSOP-20	AEC-Q100	Reel
Switching Controllers Industrial Grade.4V-40V Input, Current Mode Synchronous Step-Down Controller MPQ2918GF-P Monolithic Power Systems (MPS) 500: 10,67 kr. Non-Stocked Lead-Time 37 Weeks	Mfr. Part No. MPQ2918GF-P Mouser Part No 946-MPQ2918GF-P	Monolithic Power Systems (MPS)	Switching Controllers Industrial Grade.4V-40V Input, Current Mode Synchronous Step-Down Controller	Datasheet	Non-Stocked Lead-Time 37 Weeks	Reel 10,67 kr.	Min.: 500 Mult.: 500 : 500	Buck	1 Output	100 kHz to 1 MHz	99.5 %	25 V				SMD/SMT	TSSOP-EP-20		Reel
Switching Controllers Industrial Grade.4V-40V Input, Current Mode Synchronous Step-Down Controller MPQ2918GF-Z Monolithic Power Systems (MPS) 2.500: 9,25 kr. Non-Stocked Lead-Time 30 Weeks	Mfr. Part No. MPQ2918GF-Z Mouser Part No 946-MPQ2918GF-Z	Monolithic Power Systems (MPS)	Switching Controllers Industrial Grade.4V-40V Input, Current Mode Synchronous Step-Down Controller	Datasheet	Non-Stocked Lead-Time 30 Weeks	Reel 9,25 kr.	Min.: 2.500 Mult.: 2.500 : 2.500	Buck	1 Output	100 kHz to 1 MHz	99.5 %	25 V		- 40 C	+ 125 C	SMD/SMT	TSSOP-20		Reel