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 10-V hysteretic PFE T buck controller 5- A 926-LM3475MF/NOPB 5 492Prieinamumas
Min.: 1
Daugkart.: 1
: 3 000

Buck 1 Output 2 MHz 100 % 800 mV to 10 V 5 A - 40 C + 125 C SMD/SMT SOT-23-5 Reel, Cut Tape, MouseReel

Texas Instruments Perjungimo valdikliai HYSTERETIC PFET BUCK CONTROLLER A 926-LM A 926-LM3485MMX/NOPB 10 057Prieinamumas
Min.: 1
Daugkart.: 1
: 1 000

Buck 1 Output 50 kHz to 1 MHz 100 % 1.242 V to 35 V 4 A - 40 C + 125 C SMD/SMT VSSOP-8 Reel, Cut Tape, MouseReel

Texas Instruments Perjungimo valdikliai Hysteretic PFET Buck Cntlr w/ Enable Pin A 926-LM3489MM/NOPB 8 748Prieinamumas
Min.: 1
Daugkart.: 1
: 3 500

Buck 1 Output 1 MHz to 1.4 MHz 100 % 1.239 V to 35 V 4 A - 40 C + 125 C SMD/SMT VSSOP-8 Reel, Cut Tape, MouseReel

Texas Instruments Perjungimo valdikliai Automotive Grade 4.5 -35V Hysteretic Non A 926-LM3489QMM/NOPB 2 803Prieinamumas
Min.: 1
Daugkart.: 1
: 3 500

Buck 1 Output 1 MHz to 1.4 MHz 100 % 1.239 V to 35 V 4 A - 40 C + 125 C SMD/SMT VSSOP-8 AEC-Q100 Reel, Cut Tape, MouseReel

Texas Instruments Perjungimo valdikliai 4.5-75V Wide Vin Co nstant On-Time Non-S A 926-LM5085MME/NOPB 6 532Prieinamumas
Min.: 1
Daugkart.: 1
: 1 000

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

Texas Instruments Perjungimo valdikliai 75V On-Time PFET Buc k Switching Cntlr A A 926-LM5085MM/NOPB 1 154Prieinamumas
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

Texas Instruments Perjungimo valdikliai 4.5-75V Wide Vin Co nstant On-Time Non-S A 926-LM5085MME/NOPB 3 523Prieinamumas
Min.: 1
Daugkart.: 1
: 3 500

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

Texas Instruments Perjungimo valdikliai 4.5-75V Wide Vin Co nstant On-Time Non-S A 926-LM5085MYE/NOPB 3 084Prieinamumas
10 500Tikėtina 2026-12-21
Min.: 1
Daugkart.: 1
: 3 500

Buck 1 Output 1 MHz 100 % 1.25 V to 75 V 1.75 A - 40 C + 125 C SMD/SMT MSOP-PowerPad-8 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai 4.5-75V Wide Vin Co nstant On-Time Non-S A 926-LM5085SDE/NOPB 2 481Prieinamumas
Min.: 1
Daugkart.: 1
: 1 000

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
Texas Instruments Perjungimo valdikliai Commercial 30-V lo w -power current-mode 1 425Prieinamumas
Min.: 1
Daugkart.: 1
: 2 500

Buck, Flyback 1 Output 110 kHz 100 % 200 mA 0 C + 85 C SMD/SMT SOIC-8 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai Commercial 30-V lo w -power current-mode 2 470Prieinamumas
Min.: 1
Daugkart.: 1
: 2 500

Buck, Flyback 1 Output 110 kHz 100 % 200 mA 0 C + 85 C SMD/SMT SOIC-8 Reel, Cut Tape, MouseReel
Microchip Technology Perjungimo valdikliai Synchronous Buck PWM Control 600kHz 12ns 431Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 600 kHz 85 % 5 V 50 mA - 40 C + 125 C SMD/SMT DFN-10 AEC-Q100 Tube
Microchip Technology Perjungimo valdikliai Synchronous Buck PWM Control 600kHz 12ns 182Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 600 kHz 85 % 5 V 50 mA - 40 C + 125 C SMD/SMT DFN-10 AEC-Q100 Tube
Microchip Technology Perjungimo valdikliai Sync Buck PWM Controller 25Prieinamumas
Min.: 1
Daugkart.: 1

Boost, Buck 1 Output 100 kHz 100 % 500 mV to 3.6 V 30 mA - 40 C + 125 C SMD/SMT QFN-28 Tube
Texas Instruments Perjungimo valdikliai 3.5-V to 65-V low Iq dual 2-phase sync 14Prieinamumas
5 000Tikėtina 2026-11-05
Min.: 1
Daugkart.: 1
: 2 500

Buck 2 Output 100 kHz to 2.2 MHz 99 % 600 mV to 55 V 100 A - 40 C + 150 C SMD/SMT VQFNP-40 AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai Low Vin Synch Buck D C/DC Controller A 5 A 595-TPS40041DRBT 19Prieinamumas
Min.: 1
Daugkart.: 1
: 3 000

Buck 1 Output 600 kHz 88 % 600 mV to 4.95 V 15 A - 40 C + 85 C SMD/SMT SON-8 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai Lo Vin Synch Buck DC /DC Cntrlr A 595-TP A 595-TPS40041DRBR 453Prieinamumas
Min.: 1
Daugkart.: 1
: 250

Buck 1 Output 600 kHz 88 % 600 mV to 4.95 V 15 A - 40 C + 85 C SMD/SMT SON-8 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai Lo Vin Synch Buck DC /DC Cntrlr ALT 595- ALT 595-TPS40041DRBT 225Prieinamumas
Min.: 1
Daugkart.: 1
: 250

Buck 1 Output 600 kHz 88 % 600 mV to 4.95 V 15 A - 40 C + 85 C SMD/SMT SON-8 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai Low Pin Ct Low Vin S ynch Buck DCDC A 59 A 595-TPS40042DRCR 30Prieinamumas
Min.: 1
Daugkart.: 1
: 250

Buck 1 Output 600 kHz 95 % 600 mV - 40 C + 85 C SMD/SMT VSON-10 Reel, Cut Tape, MouseReel

Texas Instruments Perjungimo valdikliai Wide Input Synch Buc k Controller A 595- A 595-TPS40060PWPR 268Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 100 kHz to 1 MHz 98 % 700 mV to 45 V 10 A - 40 C + 85 C SMD/SMT HTSSOP-16 Tube

Texas Instruments Perjungimo valdikliai Wide Input Sync Buck Cntrlr source/sink A 595-TPS40061PWPR 107Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 100 kHz to 1 MHz 98 % 700 mV to 45 V 10 A - 40 C + 85 C SMD/SMT HTSSOP-16 Tube

Texas Instruments Perjungimo valdikliai Synchronous Buck Con troller A 595-TPS40 A 595-TPS40077PWPR 379Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 1 MHz 93 % 700 mV 20 A - 40 C + 85 C SMD/SMT HTSSOP-16 Tube
Texas Instruments Perjungimo valdikliai 4.5V to 20V Buck A 5 95-TPS40195PWR A 59 A 595-TPS40195PWR 102Prieinamumas
Min.: 1
Daugkart.: 1

Buck 1 Output 600 kHz 85 % 591 mV 20 A - 40 C + 85 C SMD/SMT TSSOP-16 Tube
Texas Instruments Perjungimo valdikliai Wide Inp Non-Synch B uck DC/DC Cntrlr A A 595-TPS40200DRBR 153Prieinamumas
Min.: 1
Daugkart.: 1
: 250

Buck 1 Output 35 kHz to 500 kHz 95 % 700 mV to 46 V 3 A - 40 C + 85 C SMD/SMT SON-8 Reel, Cut Tape, MouseReel
Texas Instruments Perjungimo valdikliai Dual DDR selectable Sync buck Controller A 595-TPS51020DBTR 19Prieinamumas
Min.: 1
Daugkart.: 1

Buck 2 Output 450 kHz 88 % 900 mV 15 A - 40 C + 85 C SMD/SMT TSSOP-30 Tube