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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Ergebnisse: 773
Auswählen Bild Teile-Nr. Herst. Beschreibung Datenblatt Verfügbarkeit Preis (CHF) Ergebnisse in der Tabelle nach dem Einheitspreis bei Ihrer Menge filtern. Menge RoHS ECAD Model Struktur Anzahl der Ausgänge Schaltfrequenz Betriebszyklus ( Max.) Eingangsspannung Ausgangsspannung Ausgangsstrom Minimale Betriebstemperatur Maximale Betriebstemperatur Montageart Verpackung/Gehäuse Qualifikation Verpackung
Analog Devices Schaltregler 150V L IQ, 2x, 2-PhSync Buck DC/DC Cntr 2’204Auf Lager
Min.: 1
Mult.: 1

Buck 2 Output 50 kHz to 750 kHz 100 % 1 V to 60 V 105 uA - 40 C + 150 C SMD/SMT LQFP-48 Tray
Texas Instruments Schaltregler Automotive 2.2-MHz l ow-IQ synchronous b A 595-LM25141QRGETQ1 5’748Auf Lager
Min.: 1
Mult.: 1
: 3’000

Buck 1 Output 440 kHz, 2.2 MHz 99 % 3.3 V, 5 V, 1.5 V to 15 V 20 A - 40 C + 150 C SMD/SMT VQFN-24 AEC-Q100 Reel, Cut Tape, MouseReel

Texas Instruments Schaltregler AUTO CAT WIDE-INPUT SYNCH BUCK 5’517Auf Lager
Min.: 1
Mult.: 1
: 2’000

Buck 1 Output 100 kHz to 1 MHz 85 % 700 mV to 35 V 20 A - 40 C + 125 C SMD/SMT HTSSOP-16 AEC-Q100 Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Schaltregler Versatile Automotive 60V/70V 2.2MHz Buck Controller with 7 A IQ and Optional Bypass Mode 5’844Auf Lager
Min.: 1
Mult.: 1

Buck 1 Output 220 kHz to 2.2 MHz 99 % 5 V - 40 C + 125 C SMD/SMT TQFN-EP-20 Tray
Texas Instruments Schaltregler 2.2MHz Low Iq Sync B uck Controller A 59 A 595-LM25141QRGERQ1 3’036Auf Lager
Min.: 1
Mult.: 1
: 250

Buck 1 Output 2.2 MHz 99 % 1.5 V to 15 V 20 A - 40 C + 150 C SMD/SMT VQFN-24 AEC-Q100 Reel, Cut Tape, MouseReel
Infineon Technologies Schaltregler COOLSET 1’930Auf Lager
Min.: 1
Mult.: 1
Buck, Flyback 1 Output 65 kHz 80 % 15 V - 40 C + 150 C Through Hole DIP-7 Tube
Texas Instruments Schaltregler Wide In Non-Sync Buc k DC/DC Cntrlr 29’702Auf Lager
Min.: 1
Mult.: 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
Analog Devices Schaltregler L IQ , 60V, Hi Freq Sync Buck Cntr 2’067Auf Lager
Min.: 1
Mult.: 1
: 2’500

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 Reel, Cut Tape, MouseReel
Texas Instruments Schaltregler 3-20V Wide Input Syn c Buck Controller A A 595-TPS40305DRCT 3’793Auf Lager
Min.: 1
Mult.: 1
: 3’000

Buck 1 Output 1.2 MHz 85 % 600 mV to 17 V 25 A - 40 C + 125 C SMD/SMT VSON-10 Reel, Cut Tape, MouseReel
Texas Instruments Schaltregler Fixed-Freq Notebook Sys Pwr Cntrlr A 595 A 595-TPS51222RTVR 318Auf Lager
Min.: 1
Mult.: 1
: 250

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
Texas Instruments Schaltregler Adj Hi-Efficient Ste p-Dwn 20uA SOT-23 A A 595-TPS64203DBVT 7’627Auf Lager
Min.: 1
Mult.: 1
: 3’000

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 Schaltregler High Speed PWM Contr oller A 595-UC3823A A 595-UC3823ADWTR 92Auf Lager
Min.: 1
Mult.: 1

Boost, Buck, Flyback, Forward 1 Output 1 MHz 100 % 5.1 V 2 A 0 C + 70 C SMD/SMT SOIC-16 Tube

Texas Instruments Schaltregler BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C42DGKR 955Auf Lager
Min.: 1
Mult.: 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 Schaltregler 3-V to 20-V voltage mode synchronous bu A 926-LM27402SQX/NOPB 1’189Auf Lager
Min.: 1
Mult.: 1
: 1’000

Buck 1 Output 200 kHz to 1.2 MHz 95 % 600 mV to 18.6 V 30 A - 40 C + 125 C SMD/SMT WQFN-16 Reel, Cut Tape, MouseReel
Microchip Technology Schaltregler 75V, Synchronous Buck Controller Featuring Adaptive On-Time Control with External Soft Start 6’734Auf Lager
Min.: 1
Mult.: 1
: 5’000

Buck 1 Output 270 kHz to 800 kHz 85 % 600 mV to 30 V - 40 C + 125 C SMD/SMT VQFN-16 Reel, Cut Tape
Analog Devices Schaltregler Hi Speed C Mode Pulse Width Mods 358Auf Lager
Min.: 1
Mult.: 1

Buck 1 Output 500 kHz 96 % 5 V 1 A - 40 C + 100 C SMD/SMT SOIC-8 Tube
Analog Devices Schaltregler Hi Pwr Sync DC/DC Cntr 128Auf Lager
Min.: 1
Mult.: 1

Boost, Buck 1 Output 150 kHz 90 % Adjustable 30 A 0 C + 70 C SMD/SMT SOIC-20 Tube
Analog Devices Schaltregler Bidirectional Synchronous 100V Buck/Boost Controller with Reverse Supply, Reverse Current and Fault Protection 178Auf Lager
Min.: 1
Mult.: 1

Boost, Buck 1 Output 80 kHz to 600 kHz 95 % 100 V 40 A - 40 C + 125 C SMD/SMT TSSOP-38 Tube
Analog Devices Schaltregler Low IQ Triple Output Buck-Buck-Boost CTL 485Auf Lager
Min.: 1
Mult.: 1

Boost, Buck 3 Output 100 kHz to 3 MHz 100 % 800 mV to 40 V 20 A - 40 C + 125 C SMD/SMT QFN-40 Tube

Texas Instruments Schaltregler Wide Input Sync Buck Cntrlr source/sink A 595-TPS40061PWP 1’877Auf Lager
Min.: 1
Mult.: 1
: 2’000

Buck 1 Output 100 kHz to 1 MHz 98 % 700 mV to 45 V 10 A - 40 C + 85 C SMD/SMT HTSSOP-16 Reel, Cut Tape, MouseReel
Texas Instruments Schaltregler BiCMOS Advanced Phas e Shift 441Auf Lager
Min.: 1
Mult.: 1

Boost, Buck 4 Output 1 MHz 100 % 5 V 100 mA 0 C + 70 C Through Hole PDIP-20 Tube
Infineon Technologies Schaltregler 10A DC/DC Step Down Synch Controller 4’648Auf Lager
Min.: 1
Mult.: 1
: 2’500

Buck 1 Output 100 kHz to 700 kHz 99 % Adjustable 10 A - 40 C + 150 C SMD/SMT SSOP-14 AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments Schaltregler Two-Phase Sync SD Sw itching Cntlr A 926 A 926-LM2642MTC/NOPB 2’450Auf Lager
Min.: 1
Mult.: 1
: 2’500

Buck 2 Output 60 kHz 98 % 1.3 V to 30 V 6 A - 40 C + 125 C SMD/SMT TSSOP-28 Reel, Cut Tape, MouseReel

Texas Instruments Schaltregler High Efficiency High -Side N-Channel Con A 926-LM3477MM/NOPB 4’032Auf Lager
Min.: 1
Mult.: 1
: 3’500

Buck 1 Output 500 kHz 93 % 1.265 V 6 A - 40 C + 125 C SMD/SMT VSSOP-8 Reel, Cut Tape, MouseReel
Microchip Technology Schaltregler 38V DC-DC Buck Controller with HLL 6’995Auf Lager
Min.: 1
Mult.: 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