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 2.35V to 5.5V, 0.5 Accurate, 1MHz PWM S 20Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 500 kHz, 1 MHz 92 % 1.5 V, 1.8 V, 2.5 V, 3.3 V 20 A - 40 C + 85 C SMD/SMT QSOP-20 Tube
Microchip Technology Perjungimo valdikliai Monolithic SMPS Controller 165Prieinamumas
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 69Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck, Flyback, Forward 1 Output 500 kHz 96 % 5 V 1 A - 40 C + 85 C Through Hole DIP-8 Tube
Texas Instruments Perjungimo valdikliai High Perf Sync Buck Controller A 595-LM2 A 595-LM27403SQE/NOPB 898Prieinamumas
Min.: 1
Daugkart.: 1
: 1 000

Buck 1 Output 1.05 MHz 93 % 600 mV to 19 V 30 A - 40 C + 125 C SMD/SMT WQFN-24 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai Wide Inp Non-Sync Bu ck DC/DC Cntrlr ALT ALT 595-TPS40200DR 2 752Prieinamumas
Min.: 1
Daugkart.: 1
: 2 500

Buck 1 Output 35 kHz to 500 kHz 95 % 700 mV to 46 V 3 A - 40 C + 85 C SMD/SMT SOIC-8 Reel, Cut Tape, MouseReel

Torex Semiconductor Perjungimo valdikliai 16V Step-Down DCDC Controller 2 750Prieinamumas
Min.: 1
Daugkart.: 1
: 3 000

Buck 1 Output 1 MHz 100 % 1.2 V 3 A - 40 C + 85 C SMD/SMT SOT-25-5 Reel, Cut Tape, MouseReel

Texas Instruments Perjungimo valdikliai High Efficiency High -Side N-Channel Con A 926-LM3477AMMX/NOPB 811Prieinamumas
Min.: 1
Daugkart.: 1
: 1 000

Buck 1 Output 500 kHz 93 % 1.265 V 6 A - 40 C + 125 C SMD/SMT VSSOP-8 Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Perjungimo valdikliai Dual Step-Down Controllers with Saturati 58Prieinamumas
Min.: 1
Daugkart.: 1

Buck 2 Output 170 kHz to 620 kHz 100 % 700 mV to 5.5 V 7 A - 40 C + 85 C SMD/SMT TQFN-40 Tube

Analog Devices / Maxim Integrated Perjungimo valdikliai Interleaved High-Efficiency, Dual Power- 36Prieinamumas
Min.: 1
Daugkart.: 1

Buck 2 Output 500 kHz 99 % 3.3 V, 5 V, 1 V to 5.5 V 5 A - 40 C + 85 C SMD/SMT TQFN-28 Tube

Microchip Technology Perjungimo valdikliai Monolithic SMPS Controller 126Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck, Flyback, Forward 1 Output 500 kHz 96 % 5 V 1 A - 40 C + 85 C SMD/SMT SOIC-14 Tube
Analog Devices Perjungimo valdikliai L IQ, 60V Sync Boost+Buck Cntr 70Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck 2 Output 850 kHz 100 % 800 mV to 60 V 20 A - 40 C + 125 C SMD/SMT QFN-32 Tube

Microchip Technology Perjungimo valdikliai 500KHz Synchronous Buck Controller 89Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 500 kHz 92 % 800 mV - 40 C + 125 C SMD/SMT MSOP-10 Tube
Texas Instruments Perjungimo valdikliai 3-28V In 20A Synch S tep Down Cntrlr A 5 A 595-TPS51218DSCT 2 889Prieinamumas
Min.: 1
Daugkart.: 1
: 3 000

Buck 1 Output 465 kHz 91 % 700 mV to 2.6 V 20 A - 40 C + 85 C SMD/SMT WSON-10 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai Adj Hi-Efficient Ste p-Dwn 20uA SOT-23 A A 595-TPS64200DBVT 2 830Prieinamumas
Min.: 1
Daugkart.: 1
: 3 000

Buck 1 Output 350 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 214Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck, Flyback, Forward 1 Output 1 MHz 100 % 5.1 V 2 A - 25 C + 85 C Through Hole PDIP-16 Tube
Texas Instruments Perjungimo valdikliai Current-Mode PWM Con troller ALT 595-UC3 ALT 595-UC3843N 999Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck, Flyback, Forward 1 Output 500 kHz 100 % 5 V 200 mA 0 C + 70 C Through Hole PDIP-8 Tube
Analog Devices / Maxim Integrated Perjungimo valdikliai High-Speed Step-Down Controller with Syn 101Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 1 MHz 90 % 1.3 V to 5.5 V 35 A - 40 C + 85 C SMD/SMT SSOP-24 Tube
Analog Devices Perjungimo valdikliai GSM Power Management System 999Prieinamumas
Min.: 1
Daugkart.: 1
: 1 000

Boost, Buck 1 Output 300 kHz 98 % 5 mA - 40 C + 125 C SMD/SMT TSSOP-16 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai 4.5V-20V Buck Cntrlr A 595-TPS40195RGYT A 595-TPS40195RGYT 4 572Prieinamumas
Min.: 1
Daugkart.: 1
: 3 000

Buck 1 Output 600 kHz 85 % 591 mV to 17 V 20 A - 40 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-TPS64203DBVR 817Prieinamumas
Min.: 1
Daugkart.: 1
: 250

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 Current-Mode PWM Con troller A 595-UC384 A 595-UC3842D 1 919Prieinamumas
Min.: 1
Daugkart.: 1
: 2 500

Boost, Buck, Flyback, Forward 1 Output 500 kHz 100 % 5 V 200 mA 0 C + 70 C SMD/SMT SOIC-14 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai Current-Mode PWM Con troller ALT 595-UC3 ALT 595-UC3842N 909Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck, Flyback, Forward 1 Output 500 kHz 100 % 5 V 200 mA 0 C + 70 C Through Hole PDIP-8 Tube
Texas Instruments Perjungimo valdikliai 700V Flyback Switche r A 595-UCC28910DR A 595-UCC28910DR 862Prieinamumas
Min.: 1
Daugkart.: 1

Buck, Flyback 1 Output 115 kHz 99 % 5 V 1.26 A - 40 C + 125 C SMD/SMT SOIC-7 Tube

Texas Instruments Perjungimo valdikliai BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C42DGKR 955Prieinamumas
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
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