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 PWM Contr oller A 595-UC2823D A 595-UC2823DWTR 239Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck, Flyback, Forward 1 Output 1 MHz 100 % 5.1 V 2 A - 25 C + 85 C SMD/SMT SOIC-16 Tube
Analog Devices Perjungimo valdikliai L IQ, 2x, 2-PhSync Buck Cntr 23Prieinamumas
Min.: 1
Daugkart.: 1

Buck 2 Output 400 kHz 99 % 800 mV to 10 V 25 A - 40 C + 85 C SMD/SMT SSOP-28 Tube

Analog Devices / Maxim Integrated Perjungimo valdikliai Small, Dual, High-Efficiency Buck Contro 51Prieinamumas
Min.: 1
Daugkart.: 1

Buck 2 Output 350 kHz 100 % 1.8 V, 2.5 V, 1 V to 5.5 V 600 mA - 40 C + 85 C SMD/SMT QSOP-16 Tube
Richtek Perjungimo valdikliai Dual-Channel Synchronous DC-DC Step-Down Controller with 5V/3.3V LDOs 717Prieinamumas
Min.: 1
Daugkart.: 1
: 1 500

Buck 4 Output 300 kHz, 355 kHz 98 % Adjustable 100 mA - 40 C + 85 C SMD/SMT WQFN-20 Reel, Cut Tape
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
Analog Devices Perjungimo valdikliai L IQ, 2x, 2-PhSync Buck Cntr 104Prieinamumas
Min.: 1
Daugkart.: 1

Buck 2 Output 400 kHz 99 % 800 mV to 10 V 25 A - 40 C + 85 C SMD/SMT SSOP-28 Tube
Analog Devices Perjungimo valdikliai L IQ, 60V Sync Boost+Buck Cntr 6Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck 2 Output 850 kHz 100 % 800 mV to 60 V 20 A - 40 C + 150 C SMD/SMT QFN-32 Tube
Analog Devices Perjungimo valdikliai L IQ, 2.25MHz, 3x Out, Buck/Buck/Boost S 30Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck 3 Output 320 kHz to 2.25 MHz 100 % 800 mV to 60 V 25 A - 40 C + 150 C SMD/SMT QFN-38 Tube
Analog Devices / Maxim Integrated Perjungimo valdikliai Multi-Output, Low-Noise Power-Supply Con 25Prieinamumas
Min.: 1
Daugkart.: 1

Buck 2 Output 300 kHz 99 % 3.3 V, 5 V, 2.5 V to 5.5 V 1 A - 40 C + 85 C SMD/SMT SSOP-28 Tube
Richtek Perjungimo valdikliai Single Phase PWM Controller with Light Load Efficiency Optimization 1 498Prieinamumas
Min.: 1
Daugkart.: 1
: 1 500

Buck 2 Output 200 kHz 95 % 800 mV to 3.3 V 150 mA - 40 C + 85 C SMD/SMT WQFN-16 Reel, Cut Tape

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 Adjustable-Output, Switch-Mode Current S 49Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 500 kHz 100 % 2 V to 24 V 1 uA - 40 C + 85 C SMD/SMT QSOP-16 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
Richtek Perjungimo valdikliai 12V Green Voltage Mode High Efficiency Synchronous Buck PWM Controller 1 497Prieinamumas
Min.: 1
Daugkart.: 1
: 1 500

Buck 2 Output 300 kHz 88 % 5 V to 12 V 4 mA - 40 C + 85 C SMD/SMT WDFN-10 Reel, Cut Tape

Microchip Technology Perjungimo valdikliai Monolithic SMPS Controller 125Prieinamumas
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 Sync Buck, PWM Ctrl 300Khz, 8ns 60Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 300 kHz 85 % 5 V 50 mA - 40 C + 125 C SMD/SMT DFN-10 AEC-Q100 Tube

Analog Devices / Maxim Integrated Perjungimo valdikliai High-Speed Step-Down Controller for Note 97Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 600 kHz 100 % 1 V to 5.5 V 3 A - 40 C + 85 C SMD/SMT QSOP-16 Tube
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 1MHz Off-Line C Mode PWM & DC/DC Conv 226Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 1 MHz 100 % 5 V 1 A 0 C + 100 C SMD/SMT SOIC-8 Tube
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
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