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 / Maxim Integrated Perjungimo valdikliai High-Efficiency, PWM, Step-Down DC-DC Co 153Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 300 kHz 99 % 2.5 V to 5.5 V 10 A - 40 C + 85 C SMD/SMT QSOP-16 Tube
Analog Devices / Maxim Integrated Perjungimo valdikliai Low-Cost, High-Frequency, Current-Mode P 2 480Prieinamumas
Min.: 1
Daugkart.: 1
: 2 500

Boost, Buck 1 Output 300 kHz 89 % 800 mV to 11.35 V 25 A - 40 C + 85 C SMD/SMT USOP-10 Reel, Cut Tape, MouseReel
onsemi Perjungimo valdikliai INDUSTRIAL TEMP RANGE I 2 103Prieinamumas
Min.: 1
Daugkart.: 1
: 2 500

Buck 2 Output 300 kHz to 1.4 MHz 100 % 3.5 V 800 uA - 40 C + 100 C SMD/SMT QFN-52 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai Automotive 80V 100 % duty cycle dual-c 1 872Prieinamumas
Min.: 1
Daugkart.: 1
Maks.: 1 001
: 2 500

Buck 2 Output 100 kHz to 2.5 MHz 100 % 4 V to 80 V 800 mV to 60 V - 40 C + 125 C SMD/SMT VQFN-36 Reel, Cut Tape, MouseReel
Diodes Incorporated Perjungimo valdikliai USB Std Power Range W-QFN4040-24/SWP(Type A1-B) T&R 3K 2 093Prieinamumas
Min.: 1
Daugkart.: 1
Maks.: 300
: 3 000

Buck 1 Output 440 kHz 95 % 4 V to 36 V 5 V to 28 V 3 A - 40 C + 125 C SMD/SMT WQFN-24 Reel, Cut Tape
Texas Instruments Perjungimo valdikliai Current-Mode PWM Con troller ALT 595-UC3 ALT 595-UC3843AD8TR 2 104Prieinamumas
Min.: 1
Daugkart.: 1
: 2 500

Boost, Buck, Flyback, Forward 1 Output 500 kHz 100 % 200 mA 0 C + 70 C SMD/SMT SOIC-8 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai High Speed Vltg Mode A 595-UCC35705DTR A A 595-UCC35705DTR 598Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck, Flyback, Forward 1 Output 4 MHz 93 % 8.8 V 20 mA 0 C + 70 C SMD/SMT SOIC-8 Tube

Texas Instruments Perjungimo valdikliai BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C40DGKR 371Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck, Flyback, Forward 1 Output 1 MHz 100 % 18 V 1 A 0 C + 70 C SMD/SMT VSSOP-8 Tube
Texas Instruments Perjungimo valdikliai Fixed-Freq Notebook Sys Pwr Controller D DISC-RESTRICTED-PART 440Prieinamumas
Min.: 1
Daugkart.: 1

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
RECOM Power Perjungimo valdikliai Vin Vout mA Flyback MSOP-10 30Prieinamumas
70Tikėtina 2026-08-17
Min.: 1
Daugkart.: 1

Buck, Boost, Flyback 1 Output 500 kHz 85 % 4 V to 100 V - 40 C + 125 C SMD/SMT MSOP-10
onsemi NCP81172MNTXG
onsemi Perjungimo valdikliai 2/1-PHASE SYNC BUCK 2 076Prieinamumas
Min.: 1
Daugkart.: 1
: 4 000

Buck 2 Output 200 kHz to 800 kHz 100 % 2 V 2 mA - 40 C + 125 C SMD/SMT Reel, Cut Tape, MouseReel

Renesas / Intersil Perjungimo valdikliai ISL78264ARZ AUTOMOTIVE GRADE - Dual Sync Buck controller 5x 220Prieinamumas
Min.: 1
Daugkart.: 1
: 250

Buck 2 Output 200 kHz to 2.2 MHz 98.75 % 3.25 V to 5 V - 40 C + 125 C SMD/SMT WFQFN-32 AEC-Q100 Reel, Cut Tape
Texas Instruments Perjungimo valdikliai 42V 100% duty-cycle capable dual-channe 456Prieinamumas
Min.: 1
Daugkart.: 1
: 2 500

Buck 2 Output 100 kHz to 2.2 MHz 100 % 4 V to 42 V 800 mV to 36 V - 40 C + 150 C SMD/SMT VQFN-36 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai Automotive 42-V sync hronous buck DC/DC 5 959Prieinamumas
Min.: 1
Daugkart.: 1
Maks.: 1 001
: 3 000

Buck 1 Output 2.2 MHz 100 % 3.5 V to 42 V 800 mV to 36 V - 40 C + 150 C SMD/SMT VQFN-24 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai Automotive 80V sync hronous buck DC/DC c 2 321Prieinamumas
Min.: 1
Daugkart.: 1
Maks.: 1 001
: 3 000

Buck 1 Output 2.2 MHz 99 % 3.5 V to 80 V 800 mV to 55 V 20 A - 40 C + 125 C SMD/SMT VQFN-19 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai Automotive 36V 1A 50 0KHz current mode 2 340Prieinamumas
Min.: 1
Daugkart.: 1
Maks.: 1 001
: 2 500

Boost, Buck, Flyback 1 Output 500 kHz 100 % 10 V 4.95 V to 5.05 V 1 A - 40 C + 125 C SMD/SMT SOIC-8 Reel, Cut Tape, MouseReel
Diodes Incorporated Perjungimo valdikliai USB Std Power Range W-QFN4040-24(Type A1) T&R 3K 2 385Prieinamumas
Min.: 1
Daugkart.: 1
Maks.: 300
: 3 000

Buck 1 Output 440 kHz 95 % 4 V to 36 V 1 V to 28 V 3 A - 40 C + 150 C SMD/SMT W-QFN4040-24 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai Automotive 80-V syn chronous buck DC/DC 846Prieinamumas
Min.: 1
Daugkart.: 1
: 3 000

Buck 1 Output 2.2 MHz 100 % 800 mV to 55 V 20 A - 40 C + 125 C SMD/SMT VQFN-24 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai Wide Inp Non-Sync Buck DC/DC Cntrlr 219Prieinamumas
Min.: 1
Daugkart.: 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
Texas Instruments Perjungimo valdikliai 36V 1A 500KHz curr e nt mode PWM control 2 471Prieinamumas
Min.: 1
Daugkart.: 1
Maks.: 1 001
: 2 500

Boost, Buck, Flyback 2 Output 500 kHz 100 % 4.95 V to 5.05 V 1 A - 40 C + 125 C SMD/SMT SOIC-8 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai 36V 1A 500KHz curr e nt mode PWM control 2 163Prieinamumas
Min.: 1
Daugkart.: 1
Maks.: 1 001
: 2 500

Boost, Buck, Flyback 2 Output 500 kHz 100 % 4.95 V to 5.05 V 1 A - 40 C + 125 C SMD/SMT SOIC-8 Reel, Cut Tape, MouseReel
Analog Devices Perjungimo valdikliai 2-Phase Sync Boost CTL, 40V, 3MHz 530Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck 1 Output 3 MHz 100 % 40 V - 40 C + 150 C SMD/SMT QFN-28 Tube
Texas Instruments Perjungimo valdikliai 3.5-V to 80-V curre nt mode synchronous 8 699Prieinamumas
Min.: 1
Daugkart.: 1
: 3 000

Buck 1 Output 2.2 MHz 100 % 800 mV to 55 V - 40 C + 125 C SMD/SMT VQFN-24 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai 80-V synchronous buc k DC/DC controller 2 849Prieinamumas
Min.: 1
Daugkart.: 1
: 3 000

Buck 1 Output 2.2 MHz 100 % 800 mV to 55 V 20 A - 40 C + 150 C SMD/SMT VQFN-24 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai Automotive 30-V lo w -power current-mode 2 089Prieinamumas
Min.: 1
Daugkart.: 1
: 2 500

Buck, Flyback 1 Output 1 MHz 100 % 15 V 20 mA - 40 C + 125 C SMD/SMT Reel, Cut Tape, MouseReel