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: 681
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
Texas Instruments Schaltregler Wide Inp Non-Sync Buck DC/DC Cntrlr 390Auf Lager
CHF 189.89
CHF 185.96
CHF 166.79
Min.: 1
Mult.: 1
Buck 1 Output 35 kHz to 500 kHz 100 % 700 mV to 46 V 3 A - 55 C + 210 C SMD/SMT CFP-8 Tube

Texas Instruments Schaltregler AUTO CAT WIDE-INPUT SYNCH BUCK 5’223Auf Lager
Cut-Tape
CHF 5.47
CHF 4.19
CHF 3.88
CHF 3.53
Reel
CHF 3.02
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 29’316Auf Lager
Cut-Tape
CHF 1.98
CHF 1.48
CHF 1.35
CHF 1.21
Reel
CHF 0.992
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
Microchip Technology Schaltregler Digitally enhanced power analog buck controller 3’299Auf Lager
Cut-Tape
CHF 4.80
CHF 4.01
Reel
CHF 3.64
Min.: 1
Mult.: 1
: 3’300
Buck 1 Output 100 kHz to 1.6 MHz 100 % 300 mV to 16 V 4 A - 40 C + 125 C SMD/SMT QFN-28 Reel, Cut Tape
Analog Devices Schaltregler 40V Dual Low IQ, 100 DC Sync Buck CTL
8’928Auf Lager
Cut-Tape
CHF 3.99
CHF 3.89
CHF 3.88
Reel
CHF 3.88
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
Microchip Technology Schaltregler Digitally enhanced power analog buck controller 359Auf Lager
CHF 4.46
CHF 3.73
CHF 3.38
Min.: 1
Mult.: 1
Buck 1 Output 100 kHz to 1.6 MHz 100 % 300 mV to 16 V 4 A - 40 C + 125 C SMD/SMT QFN-24 Tube
Texas Instruments Schaltregler 4.5V to 20V Buck A 5 95-TPS40195PW A 595 A 595-TPS40195PW 2’344Auf Lager
Cut-Tape
CHF 2.82
CHF 2.12
CHF 1.95
CHF 1.75
Reel
CHF 1.47
Min.: 1
Mult.: 1
: 2’000
Buck 1 Output 600 kHz 85 % 591 mV 20 A - 40 C + 85 C SMD/SMT TSSOP-16 Reel, Cut Tape, MouseReel
Texas Instruments Schaltregler Fixed-Freq Notebook Sys Pwr Controller A A 595-TPS51220ARTVT 2’170Auf Lager
Cut-Tape
CHF 3.45
CHF 2.62
CHF 2.41
CHF 2.17
Reel
CHF 1.87
Min.: 1
Mult.: 1
: 3’000
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-TPS64202DBVT 2’520Auf Lager
Cut-Tape
CHF 1.41
CHF 1.04
CHF 0.945
CHF 0.845
Reel
CHF 0.704
Min.: 1
Mult.: 1
: 3’000
Buck 1 Output 550 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 BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C42D 3’261Auf Lager
Cut-Tape
CHF 0.845
CHF 0.612
CHF 0.552
CHF 0.487
Reel
CHF 0.415
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 SOIC-8 Reel, Cut Tape, MouseReel

Texas Instruments Schaltregler 4.5-42V Wide Vin Co nstant On-Time Non-S A 926-LM25085AMME/NOPB 920Auf Lager
Cut-Tape
CHF 2.39
CHF 1.79
CHF 1.64
CHF 1.47
Reel
CHF 1.24
Min.: 1
Mult.: 1
: 1’000
Buck 1 Output 1 MHz 100 % 900 mV to 42 V 1.75 A - 40 C + 125 C SMD/SMT VSSOP-8 Reel, Cut Tape, MouseReel
Texas Instruments Schaltregler 2.2-V to 16-V 2-MHz N-channel FET sync A A 926-LM2737MTC/NOPB 3’092Auf Lager
Cut-Tape
CHF 1.87
CHF 1.39
CHF 1.27
CHF 1.13
Reel
CHF 0.964
Min.: 1
Mult.: 1
: 2’500
Buck 1 Output 600 kHz 90 % 600 mV to 5 V 20 A - 40 C + 125 C SMD/SMT TSSOP-14 Reel, Cut Tape, MouseReel

Texas Instruments Schaltregler High Perf Sync Buck Cntrlr A 926-LM27402 A 926-LM27402MH/NOPB 2’190Auf Lager
Cut-Tape
CHF 2.72
CHF 2.30
CHF 2.11
CHF 1.89
Reel
CHF 1.64
Min.: 1
Mult.: 1
: 2’500
Buck 1 Output 200 kHz to 1.2 MHz 95 % 600 mV to 18.6 V 30 A - 40 C + 125 C SMD/SMT HTSSOP-16 Reel, Cut Tape, MouseReel

Texas Instruments Schaltregler Automotive Grade 4.5 -35V Hysteretic Non A 926-LM3489QMM/NOPB 2’748Auf Lager
Cut-Tape
CHF 1.68
CHF 1.24
CHF 1.12
CHF 1.01
Reel
CHF 0.837
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 AEC-Q100 Reel, Cut Tape, MouseReel

Texas Instruments Schaltregler 4.5-75V Wide Vin Co nstant On-Time Non-S A 926-LM5085MME/NOPB 3’280Auf Lager
Cut-Tape
CHF 2.57
CHF 1.93
CHF 1.77
CHF 1.59
Reel
CHF 1.30
Min.: 1
Mult.: 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 Schaltregler Wide Input Range Syn c Buck Cntlr A 926- A 926-LM5117PMH/NOPB 453Auf Lager
Cut-Tape
CHF 6.01
CHF 4.63
CHF 4.29
CHF 3.91
Reel
CHF 3.43
Min.: 1
Mult.: 1
: 250
Buck 1 Output 50 kHz to 750 kHz 98 % 800 mV to 62 V 20 A - 40 C + 125 C SMD/SMT HTSSOP-20 Reel, Cut Tape, MouseReel
Texas Instruments Schaltregler 4.5V-8V Input Synch Buck Contr A 595-TPS A 595-TPS40192DRCT 4’740Auf Lager
Cut-Tape
CHF 2.33
CHF 1.74
CHF 1.59
CHF 1.43
Reel
CHF 1.17
Min.: 1
Mult.: 1
: 3’000
Buck 1 Output 600 kHz 85 % 591 mV to 14.4 V 20 A - 40 C + 85 C SMD/SMT VSON-10 Reel, Cut Tape, MouseReel
Texas Instruments Schaltregler Adv Voltage Mode 274Auf Lager
CHF 9.32
CHF 7.30
CHF 6.49
CHF 5.66
Min.: 1
Mult.: 1
Boost, Buck 1 Output 700 kHz 99 % 9.6 V 1 A 0 C + 70 C SMD/SMT SOIC-14 Tube
Texas Instruments Schaltregler Low-Power BiCMOS Cur rent-Mode PWM A 595 A 595-UCC3802D 3’343Auf Lager
Cut-Tape
CHF 2.03
CHF 1.51
CHF 1.38
CHF 1.24
Reel
CHF 0.983
Min.: 1
Mult.: 1
: 2’500
Boost, Buck, Flyback, Forward 1 Output 1 MHz 100 % 5 V 1 A 0 C + 70 C SMD/SMT SOIC-8 Reel, Cut Tape, MouseReel
onsemi Schaltregler CONSTANT-CURRENT BUCK REGULATOR FOR DRIVING HIGH POWER LEDS 2’905Auf Lager
Cut-Tape
CHF 1.33
CHF 0.973
CHF 0.885
CHF 0.78
Reel
CHF 0.606
Min.: 1
Mult.: 1
: 3’000
Buck 1 Output 2.4 MHz 100 % 1.36 V - 40 C + 125 C SMD/SMT DFNW-10 Reel, Cut Tape, MouseReel
Texas Instruments Schaltregler 2.2-V to 16-V 2-MHz N-channel FET sync A A 926-LM2737MTCX/NOPB 1’089Auf Lager
CHF 2.21
CHF 1.64
CHF 1.36
CHF 1.29
Min.: 1
Mult.: 1
Buck 1 Output 2 MHz 90 % 600 mV to 5 V 20 A - 40 C + 125 C SMD/SMT TSSOP-14 Tube

Texas Instruments Schaltregler Synchronous Buck Con troller A 595-TPS40 A 595-TPS40077PWP 2’047Auf Lager
Cut-Tape
CHF 3.76
CHF 2.86
CHF 2.64
CHF 2.39
Reel
CHF 1.96
Min.: 1
Mult.: 1
: 2’000
Buck 1 Output 1 MHz 93 % 700 mV 20 A - 40 C + 85 C SMD/SMT HTSSOP-16 Reel, Cut Tape, MouseReel
Texas Instruments Schaltregler Wide-Inp-Rng Nonsync Vltg-Mode Cntrlr 2’034Auf Lager
Cut-Tape
CHF 1.85
CHF 1.71
CHF 1.57
CHF 1.41
Reel
CHF 1.20
Min.: 1
Mult.: 1
: 2’500
Buck 1 Output 35 kHz to 500 kHz 95 % 700 mV to 46 V 3 A - 40 C + 125 C SMD/SMT SOIC-8 AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments Schaltregler 3V-20V Wide Inp Sync Buck Controller A 5 A 595-TPS40304ADRCT 2’961Auf Lager
Cut-Tape
CHF 1.10
CHF 0.894
CHF 0.813
CHF 0.719
Reel
CHF 0.606
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 1’838Auf Lager
Cut-Tape
CHF 2.25
CHF 1.68
CHF 1.54
CHF 1.38
Reel
CHF 1.18
CHF 1.14
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