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: 770
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, Sync Buck DC/DC Cntr 2’371Auf Lager
Min.: 1
Mult.: 1

Buck 1 Output 50 kHz to 900 kHz 100 % 800 mV to 60 V 10 A - 40 C + 125 C SMD/SMT TSSOP-24 Tube
Analog Devices Schaltregler 40V Dual Low IQ, 100 DC Sync Buck CTL 9’137Auf Lager
Min.: 1
Mult.: 1
: 2’500

Boost, Buck 2 Output 3 MHz 100 % 800 mV to 40 V 180 uA - 40 C + 150 C SMD/SMT QFN-28 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 5’862Auf 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 Hysteretic PFET Buck Cntlr w/ Enable Pin A 926-LM3489MM/NOPB 24’375Auf Lager
Min.: 1
Mult.: 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 Schaltregler AUTO CAT WIDE-INPUT SYNCH BUCK 5’540Auf 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
Texas Instruments Schaltregler Wide In Non-Sync Buc k DC/DC Cntrlr 29’876Auf 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
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
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 / Maxim Integrated Schaltregler Low-Cost, Small, 4.5V to 28V Wide Operat 1’000Auf Lager
Min.: 1
Mult.: 1
: 2’500

Buck 1 Output 200 kHz to 2 MHz 88 % 600 mV to 28 V 15 A - 40 C + 125 C SMD/SMT TDFN-EP-14 Reel, Cut Tape, MouseReel
Analog Devices Schaltregler 40V Dual Low IQ, 100 DC Sync Buck CTL 1’464Auf Lager
Min.: 1
Mult.: 1

Boost, Buck 2 Output 3 MHz 100 % 800 mV to 40 V 180 uA - 40 C + 150 C SMD/SMT QFN-28 Tube
Texas Instruments Schaltregler 3V-20V Wide Inp Sync Buck Controller A 5 A 595-TPS40304ADRCT 2’963Auf Lager
Min.: 1
Mult.: 1
: 3’000

Buck 1 Output 600 kHz 90 % 600 mV to 18 V 25 A - 40 C + 145 C SMD/SMT VSON-10 Reel, Cut Tape, MouseReel
Texas Instruments Schaltregler 3-20V Wide Input Syn c Buck Controller A A 595-TPS40305DRCR 2’013Auf Lager
Min.: 1
Mult.: 1
: 250

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 Triple Sync Buck w/L DO Controller A 595 A 595-TPS5130PT 880Auf Lager
Min.: 1
Mult.: 1
: 1’000

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 Reel, Cut Tape, MouseReel

Texas Instruments Schaltregler BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C43DGK 4’027Auf Lager
Min.: 1
Mult.: 1
: 2’500

Boost, Buck, Flyback, Forward 1 Output 1 MHz 100 % 18 V 1 A 0 C + 70 C SMD/SMT VSSOP-8 Reel, Cut Tape, MouseReel

Analog Devices / Maxim Integrated Schaltregler 40V, High-Performance, Synchronous Buck 971Auf Lager
Min.: 1
Mult.: 1

Buck 1 Output 100 kHz to 1 MHz 87.5 % 600 mV to 36 V 25 A - 40 C + 125 C SMD/SMT QSOP-16 Tube
Analog Devices / Maxim Integrated Schaltregler 5V/3.3V or Adjustable, 100 Duty Cycle, 2’654Auf Lager
Min.: 1
Mult.: 1
: 2’500

Buck 1 Output 300 kHz 100 % 3.3 V, 5 V 3 A - 40 C + 85 C SMD/SMT SOIC-Narrow-8 Reel, Cut Tape, MouseReel
Analog Devices / Maxim Integrated Schaltregler 5V/3.3V or Adjustable, 100 Duty Cycle, 713Auf Lager
Min.: 1
Mult.: 1

Buck 1 Output 300 kHz 100 % 3.3 V to 5 V 3 A - 40 C + 85 C SMD/SMT SOIC-Narrow-8 Tube

Analog Devices / Maxim Integrated Schaltregler Dual-Output Step-Down DC-DC Converter fo 545Auf Lager
Min.: 1
Mult.: 1

Buck 2 Output 1.25 MHz 100 % 500 mV to 5.5 V 2 A - 40 C + 85 C SMD/SMT QSOP-16 Tube
Infineon Technologies Schaltregler 10A DC/DC Step Down Synch Controller 2’312Auf 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 75V On-Time PFET Buc k Switching Cntlr A A 926-LM5085MM/NOPB 1’742Auf Lager
Min.: 1
Mult.: 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
Microchip Technology Schaltregler 75V DC-DC Buck Controller with HLL 1’700Auf 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
Analog Devices Schaltregler PP, Hi Eff, Sync Buck Sw Reg 770Auf Lager
Min.: 1
Mult.: 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
Analog Devices Schaltregler 150V L IQ, Sync Buck DC/DC Cntr 2’269Auf Lager
Min.: 1
Mult.: 1
: 2’500

Buck 1 Output 50 kHz to 900 kHz 100 % 800 mV to 60 V 10 A - 40 C + 125 C SMD/SMT TSSOP-24 Reel, Cut Tape, MouseReel
Texas Instruments Schaltregler 3-20V Wide Input Syn c Buck Controller A A 595-TPS40303DRCT 6’873Auf Lager
Min.: 1
Mult.: 1
: 3’000

Buck 1 Output 300 kHz 90 % 600 mV to 18 V 10 A - 40 C + 125 C SMD/SMT VSON-10 Reel, Cut Tape, MouseReel
Texas Instruments Schaltregler Low Power Economy Bi CMOS Current Mode A A 595-UCC3813D-3 2’143Auf Lager
Min.: 1
Mult.: 1
: 2’500

Boost, Buck, Flyback, Forward 1 Output 1 MHz 100 % 4.1 V 1 A 0 C + 70 C SMD/SMT SOIC-8 Reel, Cut Tape, MouseReel