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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Analog Devices Perjungimo valdikliai 150V L IQ, 2x, 2-PhSync Buck DC/DC Cntr 196Prieinamumas
Min.: 1
Daugkart.: 1

Buck 2 Output 50 kHz to 750 kHz 100 % 1 V to 60 V 105 uA - 40 C + 125 C SMD/SMT LQFP-48 Tray
Texas Instruments Perjungimo valdikliai 3-20V Wide Input Syn c Buck Controller A A 595-TPS40305DRCT 3 839Prieinamumas
Min.: 1
Daugkart.: 1
: 3 000

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
Texas Instruments Perjungimo valdikliai Dual DDR selectable Sync buck Controller A 595-TPS51020DBT 891Prieinamumas
Min.: 1
Daugkart.: 1
: 2 000

Buck 2 Output 450 kHz 88 % 900 mV 15 A - 40 C + 85 C SMD/SMT TSSOP-30 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai Fixed-Freq Notebook Sys Pwr Cntrlr A 595 A 595-TPS51222RTVR 318Prieinamumas
Min.: 1
Daugkart.: 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
Texas Instruments Perjungimo valdikliai 3-V to 26-V 20-A s y nchronous D-CAP buc A 595-TPS53119RGTR 2 954Prieinamumas
Min.: 1
Daugkart.: 1
: 250

Buck 1 Output 970 kHz 90 % 600 mV to 5.5 V 20 A - 20 C + 85 C SMD/SMT VQFN-16 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai Adj Hi-Efficient Ste p-Dwn 20uA SOT-23 A A 595-TPS64203DBVT 8 817Prieinamumas
Min.: 1
Daugkart.: 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
Texas Instruments Perjungimo valdikliai High Speed PWM Contr oller A 595-UC3823A A 595-UC3823ADWTR 98Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck, Flyback, Forward 1 Output 1 MHz 100 % 5.1 V 2 A 0 C + 70 C SMD/SMT SOIC-16 Tube
Analog Devices / Maxim Integrated Perjungimo valdikliai High-Voltage, Step-Down DC-DC Controller in MAX 722Prieinamumas
Min.: 1
Daugkart.: 1
: 2 500

Buck 1 Output 330 kHz 100 % 3.3 V, 5 V 10 A - 40 C + 85 C SMD/SMT UMAX-10 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai 3-V to 20-V voltage mode synchronous bu A 926-LM27402SQX/NOPB 1 189Prieinamumas
Min.: 1
Daugkart.: 1
: 1 000

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, Cut Tape, MouseReel
Analog Devices Perjungimo valdikliai 40V Dual Low IQ, 100 DC Sync Buck CTL 1 464Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck 2 Output 3 MHz 100 % 800 mV to 40 V 180 uA - 40 C + 150 C SMD/SMT QFN-28 Tube
Analog Devices Perjungimo valdikliai 40V Dual Low IQ, 100 DC Sync Buck CTL 9 072Prieinamumas
Min.: 1
Daugkart.: 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
Texas Instruments Perjungimo valdikliai 3V-20V Wide Inp Sync Buck Controller A 5 A 595-TPS40304ADRCT 2 963Prieinamumas
Min.: 1
Daugkart.: 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
Texas Instruments Perjungimo valdikliai 3-20V Wide Input Syn c Buck Controller A A 595-TPS40305DRCR 1 989Prieinamumas
Min.: 1
Daugkart.: 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
Texas Instruments Perjungimo valdikliai Triple Sync Buck w/L DO Controller A 595 A 595-TPS5130PT 880Prieinamumas
Min.: 1
Daugkart.: 1
: 1 000

Buck 4 Output 50 kHz to 500 kHz 97 % 900 mV to 8.5 V 15 A - 40 C + 85 C SMD/SMT LQFP-48 Reel, Cut Tape, MouseReel

Texas Instruments Perjungimo valdikliai BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C43DGK 4 027Prieinamumas
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 VSSOP-8 Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Perjungimo valdikliai 40V, High-Performance, Synchronous Buck 971Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 100 kHz to 1 MHz 87.5 % 600 mV to 36 V 25 A - 40 C + 125 C SMD/SMT QSOP-16 Tube
Analog Devices / Maxim Integrated Perjungimo valdikliai 5V/3.3V or Adjustable, 100 Duty Cycle, 2 654Prieinamumas
Min.: 1
Daugkart.: 1
: 2 500

Buck 1 Output 300 kHz 100 % 3.3 V, 5 V 3 A - 40 C + 85 C SMD/SMT SOIC-Narrow-8 Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Perjungimo valdikliai 5V/3.3V or Adjustable, 100 Duty Cycle, 713Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 300 kHz 100 % 3.3 V to 5 V 3 A - 40 C + 85 C SMD/SMT SOIC-Narrow-8 Tube

Analog Devices / Maxim Integrated Perjungimo valdikliai Dual-Output Step-Down DC-DC Converter fo 539Prieinamumas
Min.: 1
Daugkart.: 1

Buck 2 Output 1.25 MHz 100 % 500 mV to 5.5 V 2 A - 40 C + 85 C SMD/SMT QSOP-16 Tube
Infineon Technologies Perjungimo valdikliai 10A DC/DC Step Down Synch Controller 2 312Prieinamumas
Min.: 1
Daugkart.: 1
: 2 500

Buck 1 Output 100 kHz to 700 kHz 99 % Adjustable 10 A - 40 C + 150 C SMD/SMT SSOP-14 AEC-Q100 Reel, Cut Tape, MouseReel

Texas Instruments Perjungimo valdikliai 75V On-Time PFET Buc k Switching Cntlr A A 926-LM5085MM/NOPB 1 629Prieinamumas
Min.: 1
Daugkart.: 1
: 250

Buck 1 Output 1 MHz 100 % 1.25 V to 75 V 1.75 A - 40 C + 125 C SMD/SMT VSSOP-8 Reel, Cut Tape, MouseReel
Microchip Technology Perjungimo valdikliai 75V DC-DC Buck Controller with HLL 1 691Prieinamumas
Min.: 1
Daugkart.: 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
Analog Devices Perjungimo valdikliai 60V Low IQ Buck Ctlr 659Prieinamumas
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 Hi Pwr Sync DC/DC Cntr 838Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck 1 Output 150 kHz 90 % Adjustable 30 A - 40 C + 85 C SMD/SMT SOIC-20 Tube
Texas Instruments Perjungimo valdikliai Wide Input Range Syn Buck Controller A 5 A 595-LM25141RGER 560Prieinamumas
Min.: 1
Daugkart.: 1
: 250

Buck 1 Output 440 kHz, 2.2 MHz 99 % 3.3 V, 5 V, 1.5 V to 15 V 20 A - 40 C + 125 C SMD/SMT VQFN-24 Reel, Cut Tape, MouseReel