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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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
Analog Devices Perjungimo valdikliai Synch, StepDown DC/DC Cntr w/Volt trking 345Prieinamumas
Min.: 1
Daugkart.: 1
: 1 500

Buck 1 Output 1.5 MHz 90 % 600 mV to 18 V 25 A - 40 C + 125 C SMD/SMT LFCSP-20 Reel, Cut Tape, MouseReel
Analog Devices Perjungimo valdikliai PP, Hi Eff, Sync Buck Sw Reg 68Prieinamumas
Min.: 1
Daugkart.: 1

Buck 2 Output 300 kHz 99 % 1.26 V to 2.5 V 240 A 0 C + 70 C SMD/SMT SSOP-28 Tube
Texas Instruments Perjungimo valdikliai Multiphase bidirecti onal current contro A 595-LM5170PHPR 245Prieinamumas
Min.: 1
Daugkart.: 1
: 250

Boost, Buck 2 Output 50 kHz to 500 kHz 99 % 100 mV to 100 V 50 A - 40 C + 125 C SMD/SMT TQFP-48 Reel, Cut Tape, MouseReel
Analog Devices Perjungimo valdikliai 1MHz Off-Line C Mode PWM & DC/DC Conv 150Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 1 MHz 100 % 5 V 1 A 0 C + 100 C Through Hole PDIP-8 Tube

Texas Instruments Perjungimo valdikliai Wide Vtg Range Buck- Boost Cntlr A 595-L A 595-LM25118Q1MHENOPB 218Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck 1 Output 500 kHz 80 % 1.23 V to 38 V 4 A - 40 C + 125 C SMD/SMT HTSSOP-20 AEC-Q100 Tube
Texas Instruments Perjungimo valdikliai CVCC Flyback Cntlr w / Primary-Side Reg A 595-UCC28722DBVT 4 421Prieinamumas
Min.: 1
Daugkart.: 1
: 3 000

Buck, Flyback 1 Output 650 Hz to 80 kHz 99 % 21 V 37 mA - 40 C + 125 C SMD/SMT SOT-23-6 Reel, Cut Tape, MouseReel
Richtek Perjungimo valdikliai Dual-Channel Synchronous DC/DC Step-Down Controller with 5V/3.3V LDOs 1 544Prieinamumas
Min.: 1
Daugkart.: 1
: 1 500

Buck 4 Output 400 kHz, 475 kHz 98 % Adjustable 100 mA - 40 C + 85 C SMD/SMT WQFN-20 Reel, Cut Tape

Torex Semiconductor Perjungimo valdikliai 2ch.Step-Down DC/DC Controller Ics 819Prieinamumas
Min.: 1
Daugkart.: 1
: 1 000

Buck 2 Output 300 kHz 100 % 900 mV to 10 V 1 A - 40 C + 85 C SMD/SMT MSOP-10 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai 4.5-75V Wide Vin Co nstant On-Time Non-S A 926-LM5085SD/NOPB 599Prieinamumas
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 LLP-8 Reel, Cut Tape, MouseReel

Microchip Technology Perjungimo valdikliai 36V, Dual Phase COT Buck Controller, Stackable Feature 3 370Prieinamumas
Min.: 1
Daugkart.: 1
: 3 300

Buck 1 Output 100 kHz to 1 MHz 85 % 4.5 V to 36 V Adjustable - 40 C + 125 C SMD/SMT VQFN-32 Reel, Cut Tape
Analog Devices Perjungimo valdikliai 60V Sync 4-Switch Buck-Boost Cntr w/ SS 127Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck 1 Output 630 kHz 95 % 0 V to 60 V 25 A - 40 C + 125 C SMD/SMT QFN-28 AEC-Q100 Tube
Texas Instruments Perjungimo valdikliai 4.5V-8V Input Synch Buck Contr A 595-TPS A 595-TPS40192DRCT 4 746Prieinamumas
Min.: 1
Daugkart.: 1
: 3 000

Buck 1 Output 600 kHz 85 % 591 mV to 14.4 V 20 A - 40 C + 85 C SMD/SMT VSON-10 Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Perjungimo valdikliai Ultra-High-Efficiency, Dual Step-Down Co 113Prieinamumas
Min.: 1
Daugkart.: 1

Buck 2 Output 200 kHz to 540 kHz 100 % 1 V to 5.5 V 8 A - 40 C + 85 C SMD/SMT QSOP-28 Tube
ROHM Semiconductor Perjungimo valdikliai PWM Type DC/DC Converter IC Included a Switching MOSFET 2 000Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 70 kHz 82 % 8.9 V to 26 V 10.4 A - 40 C + 105 C Through Hole DIP-7 Tube
Microchip Technology Perjungimo valdikliai 38V DC-DC Buck Controller with HSC 4 238Prieinamumas
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


Microchip Technology Perjungimo valdikliai 36V, Dual Phase COT Buck Controller, HLL & Phase Shedding 3 290Prieinamumas
Min.: 1
Daugkart.: 1
: 3 300

Buck 1 Output 100 kHz to 1 MHz 85 % Adjustable - 40 C + 125 C SMD/SMT Reel, Cut Tape
Analog Devices Perjungimo valdikliai 40V Low IQ Dual Buck CTL w/ 3.3VOUT1 199Prieinamumas
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 Tube
Analog Devices Perjungimo valdikliai L IQ , 60V, Hi Freq Sync Buck Cntr 159Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 320 kHz to 2.25 MHz 98 % 800 mV to 24 V 20 A - 40 C + 125 C SMD/SMT QFN-20 Tube

Microchip Technology Perjungimo valdikliai 76V Synchronous Buck Controller 388Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 100 kHz 96 % Adjustable 15 A - 40 C + 125 C SMD/SMT MSOP-10 Tube
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 Triple Sync Buck w/L DO Controller A 595 A 595-TPS5130PTR 141Prieinamumas
Min.: 1
Daugkart.: 1

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 Tray
Analog Devices / Maxim Integrated Perjungimo valdikliai Low-Cost, High-Frequency, Current-Mode P 665Prieinamumas
Min.: 1
Daugkart.: 1
: 2 500

Boost, Buck 1 Output 1 MHz 89 % 800 mV to 4.73 V 4 A - 40 C + 85 C SMD/SMT USOP-10 Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Perjungimo valdikliai Dual-Synchronous Buck Controllers for Po 142Prieinamumas
Min.: 1
Daugkart.: 1

Buck 2 Output 200 kHz to 1.4 MHz 95 % 800 mV to 3.6 V 30 A - 40 C + 85 C SMD/SMT QSOP-28 Tube

Analog Devices / Maxim Integrated Perjungimo valdikliai High-Efficiency, 10A, PWM Internal-Switc 57Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 250 kHz to 2.4 MHz 95 % 600 mV to 3.1 V 10 A - 40 C + 85 C SMD/SMT TQFN-32 Tube