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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Texas Instruments Perjungimo valdikliai High Speed Vltg Mode 2Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck, Flyback, Forward 1 Output 4 MHz 93 % 8.8 V 20 mA 0 C + 70 C SMD/SMT VSSOP-8 Tube
Texas Instruments Perjungimo valdikliai Low Power Economy Bi CMOS Current Mode A A 595-UCC3813D-0 551Prieinamumas
Min.: 1
Daugkart.: 1
: 2 500

Boost, Buck, Flyback, Forward 1 Output 1 MHz 100 % 7.2 V 1 A 0 C + 70 C SMD/SMT SOIC-8 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai LP BiCMOS C Mode 353Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck, Flyback, Forward 1 Output 1 MHz 100 % 12.5 V 1 A 0 C + 70 C SMD/SMT TSSOP-8 Tube
Texas Instruments Perjungimo valdikliai BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C42D 2 808Prieinamumas
Min.: 1
Daugkart.: 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
Texas Instruments Perjungimo valdikliai BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C43D 1 844Prieinamumas
Min.: 1
Daugkart.: 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
Richtek Perjungimo valdikliai Dual-Channel Synchronous DC/DC Step-Down Controller with 5V/3.3V LDOs 1 500Prieinamumas
Min.: 1
Daugkart.: 1
: 1 500

Buck 2 Output 240 kHz to 430 kHz 96 % Adjustable 100 mA - 40 C + 85 C SMD/SMT WQFN-24 Reel, Cut Tape
Texas Instruments Perjungimo valdikliai Two-Phase Sync SD Sw itching Cntlr 378Prieinamumas
Min.: 1
Daugkart.: 1
Maks.: 1 001

Buck 2 Output 300 kHz 98 % 1.3 V to 30 V 20 A - 40 C + 125 C SMD/SMT TSSOP-28 Tube
Texas Instruments Perjungimo valdikliai 1-V to 14-V voltage mode synchronous bu A 926-LM2745MTCX/NOPB 40Prieinamumas
564Tikėtina 2026-09-10
Min.: 1
Daugkart.: 1

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 Tube
Texas Instruments Perjungimo valdikliai 1-V to 14-V voltage mode synchronous bu A 926-LM2748MTCX/NOPB 146Prieinamumas
Min.: 1
Daugkart.: 1

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 Tube

Texas Instruments Perjungimo valdikliai 42V Synchronous Step -Down Controller wi A 926-LM3151MH33NOPB 48Prieinamumas
Min.: 1
Daugkart.: 1
: 250

Buck 1 Output 250 kHz 90 % 3.3 V 12 A - 40 C + 125 C SMD/SMT HTSSOP-14 Reel, Cut Tape, MouseReel

Texas Instruments Perjungimo valdikliai 42V Synchronous Step -Down Controller wi A 926-LM3152MH33NOPB 7Prieinamumas
Min.: 1
Daugkart.: 1
: 250

Buck 1 Output 500 kHz 81 % 3.3 V 12 A - 40 C + 125 C SMD/SMT HTSSOP-14 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai Miniature Adjustabl e Step-Down DC-DC C 266Prieinamumas
Min.: 1
Daugkart.: 1
: 250

Buck 1 Output 2 MHz 96 % 800 mV to 3.6 V 500 mA - 30 C + 85 C SMD/SMT uSMD Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai Secondary Side Switc hing Reg A 926-LM51 A 926-LM5115MTCX/NOPB 134Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 1 MHz 85 % 750 mV to 13.5 V 2.5 A - 40 C + 125 C SMD/SMT TSSOP-16 Tube
Microchip Technology Perjungimo valdikliai High Efficiency Synchronous Buck Controller 96Prieinamumas
Min.: 1
Daugkart.: 1

Buck 5 Output 330 kHz 86 % 3.3 V 20 A - 40 C + 85 C SMD/SMT SOP-16 Tube
Microchip Technology Perjungimo valdikliai High Efficiency Synchronous Buck Controller 66Prieinamumas
Min.: 1
Daugkart.: 1

Buck 5 Output 330 kHz 86 % 5 V 20 A - 40 C + 85 C SMD/SMT SOP-16 Tube
Microchip Technology Perjungimo valdikliai High Efficiency Synchronous Buck Controller 53Prieinamumas
96Tikėtina 2026-10-08
Min.: 1
Daugkart.: 1

Buck 1 Output 300 kHz 86 % 1.25 V to 6 V 20 A - 40 C + 85 C SMD/SMT SOP-16 Tube
Microchip Technology Perjungimo valdikliai Monolithic SMPS Controller 120Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck, Flyback, Forward 1 Output 500 kHz 96 % 5 V 500 mA - 40 C + 85 C SMD/SMT SOIC-8 Tube
Microchip Technology Perjungimo valdikliai Monolithic SMPS Controller 137Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck, Flyback, Forward 1 Output 500 kHz 96 % 5 V 500 mA - 40 C + 85 C SMD/SMT MSOP-8 Tube
Microchip Technology Perjungimo valdikliai Monolithic SMPS Controller 477Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck, Flyback, Forward 1 Output 500 kHz 96 % 5 V 1 A - 40 C + 85 C SMD/SMT SOIC-8 Tube
Analog Devices Perjungimo valdikliai 60V Low IQ Buck Ctlr 35Prieinamumas
Min.: 1
Daugkart.: 1

Buck 5 Output 1 MHz to 3 MHz 100 % 3.3 V, 5 V 8 A - 40 C + 125 C SMD/SMT QFN-48 Tube
Analog Devices Perjungimo valdikliai 150V L IQ, Sync Buck DC/DC Cntr 141Prieinamumas
2 500Tikėtina 2026-09-12
Min.: 1
Daugkart.: 1
: 2 500

Buck 1 Output 50 kHz to 900 kHz 100 % 800 mV to 60 V 10 A - 40 C + 125 C SMD/SMT QFN-24 Reel, Cut Tape, MouseReel
Analog Devices Perjungimo valdikliai 40V, Low Iq Dual Phse Sych Stp-Dwn Cntlr 20Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 100 kHz to 3 MHz 99 % 800 mV to 40 V 5 A - 40 C + 125 C SMD/SMT AEC-Q100 Tube
Analog Devices Perjungimo valdikliai 40V, Low Iq Dual Phse Sych Stp-Dwn Cntlr 13Prieinamumas
365Pagal užsakymą
Min.: 1
Daugkart.: 1

Buck 1 Output 100 kHz to 3 MHz 99 % 800 mV to 40 V 5 A - 40 C + 150 C SMD/SMT AEC-Q100 Tube
Analog Devices Perjungimo valdikliai 03-5 Amp non synchronous buck controller 155Prieinamumas
3 000Tikėtina 2026-09-09
Min.: 1
Daugkart.: 1
: 3 000

Buck 1 Output 580 kHz 100 % 800 mV to 14 V 5 A - 40 C + 125 C SMD/SMT TSOT-6 Reel, Cut Tape, MouseReel
Analog Devices Perjungimo valdikliai 600kHz, Light Load Eff Enabled 5Prieinamumas
Min.: 1
Daugkart.: 1
: 1 000

Buck 1 Output 300 kHz, 600 kHz, 1 MHz 84 % 600 mV 25 A - 40 C + 125 C SMD/SMT MSOP-10 Reel, Cut Tape, MouseReel