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 开关控制器 Wide In Non-Sync Buc k DC/DC Cntrlr 29,592库存量
最低: 1
倍数: 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

Texas Instruments 开关控制器 AUTO CAT WIDE-INPUT SYNCH BUCK 5,276库存量
最低: 1
倍数: 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
Nisshinbo 开关控制器 Buck DC/DC Controller 3,093库存量
最低: 1
倍数: 1
: 3,000

Buck 1 Output 180 kHz 100 % 1 V to 18.5 V - 40 C + 85 C SMD/SMT SOT-23-5 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 2.2MHz Low Iq Sync B uck Controller A 59 A 595-LM25141QRGERQ1 2,912库存量
最低: 1
倍数: 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
Texas Instruments 开关控制器 4.5V to 20V Buck A 5 95-TPS40195PW A 595 A 595-TPS40195PW 2,344库存量
最低: 1
倍数: 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 开关控制器 Adj Hi-Efficient Ste p-Dwn 20uA SOT-23 A A 595-TPS64202DBVT 2,555库存量
最低: 1
倍数: 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 开关控制器 Wide Input Sync Buck Cntrlr source/sink A 595-TPS40061PWP 1,627库存量
最低: 1
倍数: 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 开关控制器 BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C40D 3,975库存量
最低: 1
倍数: 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 开关控制器 Two-Phase Sync SD Sw itching Cntlr A 926 A 926-LM2642MTC/NOPB 2,193库存量
最低: 1
倍数: 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 开关控制器 Synchronous Buck Con troller A 595-TPS40 A 595-TPS40077PWP 2,050库存量
最低: 1
倍数: 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 开关控制器 3V-20V Wide Inp Sync Buck Controller A 5 A 595-TPS40304ADRCT 2,963库存量
最低: 1
倍数: 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 开关控制器 BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C43DGK 4,009库存量
最低: 1
倍数: 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
Texas Instruments 开关控制器 3-28V In 20A Synch S tep Down Cntrlr A 5 A 595-TPS51218DSCT 2,885库存量
最低: 1
倍数: 1
: 3,000

Buck 1 Output 465 kHz 91 % 700 mV to 2.6 V 20 A - 40 C + 85 C SMD/SMT WSON-10 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 Adj Hi-Efficient Ste p-Dwn 20uA SOT-23 A A 595-TPS64200DBVT 2,830库存量
最低: 1
倍数: 1
: 3,000

Buck 1 Output 350 kHz 100 % 1.2 V to 6.5 V 3 A - 40 C + 85 C SMD/SMT SOT-23-6 Reel, Cut Tape, MouseReel
Microchip Technology 开关控制器 Digitally enhanced power analog buck controller 3,299库存量
最低: 1
倍数: 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
Texas Instruments 开关控制器 4.5V-20V Buck Cntrlr A 595-TPS40195RGYT A 595-TPS40195RGYT 4,368库存量
最低: 1
倍数: 1
: 3,000

Buck 1 Output 600 kHz 85 % 591 mV to 17 V 20 A - 40 C + 85 C SMD/SMT VQFN-16 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 Dual Output 2-Ph Syn ch Buck Cntrlr A 59 A 595-TPS5120DBT 1,701库存量
最低: 1
倍数: 1
: 2,000

Buck 2 Output 100 kHz to 500 kHz 83 % 900 mV to 26 V 20 A - 40 C + 85 C SMD/SMT TSSOP-30 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 Fixed-Freq Notebook Sys Pwr Cntrlr A 595 A 595-TPS51222RTVR 298库存量
最低: 1
倍数: 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 开关控制器 Wide Input Range Syn c Buck Cntlr A 926- A 926-LM5117PMH/NOPB 453库存量
最低: 1
倍数: 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 开关控制器 Low-Power BiCMOS Cur rent-Mode PWM A 595 A 595-UCC3802D 3,384库存量
最低: 1
倍数: 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
Texas Instruments 开关控制器 2.2-V to 16-V 2-MHz N-channel FET sync A A 926-LM2737MTCX/NOPB 1,097库存量
最低: 1
倍数: 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 开关控制器 High Speed PWM Contr oller 70库存量
最低: 1
倍数: 1

Boost, Buck, Flyback, Forward 2 Output 1 MHz 100 % 5.1 V 2 A - 40 C + 85 C Through Hole PDIP-16 Tube
Texas Instruments 开关控制器 Low Power Economy Bi CMOS Current Mode A A 595-UCC3813D-3 1,913库存量
最低: 1
倍数: 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
Microchip Technology 开关控制器 Monolithic SMPS Controller 2,182库存量
最低: 1
倍数: 1
: 2,500

Boost, Buck, Flyback, Forward 1 Output 500 kHz 96 % 5 V 500 mA - 40 C + 85 C SMD/SMT SOIC-8 Reel, Cut Tape, MouseReel
Infineon Technologies 开关控制器 COOLSET 1,680库存量
最低: 1
倍数: 1
Buck, Flyback 1 Output 65 kHz 80 % 15 V - 40 C + 150 C Through Hole DIP-7 Tube