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.

Learn More

结果: 773
选择 图像 零件编号 制造商 描述 数据表 供货情况 单价(含13%增值税) 根据您的数量,按照单价筛选表格中的结果。 数量 RoHS ECAD模型 拓扑结构 输出端数量 开关频率 占空比 - 最大 输入电压 输出电压 输出电流 最小工作温度 最大工作温度 安装风格 封装 / 箱体 资格 封装
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
Texas Instruments 开关控制器 4.5-42V Wide Vin Co nstant On-Time Non-S A 926-LM25085ASDE/NOPB 1,158库存量
最低: 1
倍数: 1
: 1,000

Buck 1 Output 1 MHz 100 % 900 mV to 42 V 1.75 A - 40 C + 125 C SMD/SMT LLP-8 Reel, Cut Tape, MouseReel
Microchip Technology 开关控制器 75V, Synchronous Buck Controller Featuring Adaptive On-Time Control with External Soft Start 7,134库存量
最低: 1
倍数: 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

Texas Instruments 开关控制器 Wide Input Sync Buck Cntrlr source/sink A 595-TPS40061PWP 1,877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 Advanced Phas e Shift 441库存量
最低: 1
倍数: 1

Boost, Buck 4 Output 1 MHz 100 % 5 V 100 mA 0 C + 70 C Through Hole PDIP-20 Tube
Infineon Technologies 开关控制器 10A DC/DC Step Down Synch Controller 4,899库存量
最低: 1
倍数: 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 开关控制器 Two-Phase Sync SD Sw itching Cntlr A 926 A 926-LM2642MTC/NOPB 2,450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 High Efficiency High -Side N-Channel Con A 926-LM3477MM/NOPB 4,032库存量
最低: 1
倍数: 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 开关控制器 38V DC-DC Buck Controller with HLL 6,995库存量
最低: 1
倍数: 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
Microchip Technology 开关控制器 Monolithic High Speed SMPS Controller 1,963库存量
最低: 1
倍数: 1
: 2,500

Boost, Buck, Flyback, Forward 1 Output 500 kHz 96 % 5 V 1 A - 40 C + 85 C SMD/SMT SOIC-8 Reel, Cut Tape, MouseReel
Microchip Technology 开关控制器 75V, Synchronous Buck Controller Featuring Adaptive On-Time Control with Light Load Mode Selection 5,936库存量
最低: 1
倍数: 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, MouseReel

Texas Instruments 开关控制器 Wide Input Range Syn c Buck Cntlr A 926- A 926-LM5117PMH/NOPB 500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 Multiphase bidirecti onal current contro A 595-LM5170PHPT 1,081库存量
最低: 1
倍数: 1
: 1,000

Boost, Buck 2 Output 50 kHz to 500 kHz 99 % 100 mV to 100 V 50 A - 40 C + 125 C SMD/SMT TQFP-48 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 Adv Voltage Mode 294库存量
最低: 1
倍数: 1

Boost, Buck 1 Output 700 kHz 99 % 9.6 V 1 A 0 C + 70 C SMD/SMT SOIC-14 Tube
Texas Instruments 开关控制器 2.2-V to 16-V 2-MHz N-channel FET sync A A 926-LM2737MTCX/NOPB 1,227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
Microchip Technology 开关控制器 38V DC-DC Buck Controller with HSC 4,238库存量
最低: 1
倍数: 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
Texas Instruments 开关控制器 Wide Input Range Syn c Buck Cntlr A 595- A 595-LM5117PSQ/NOPB 341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 WQFN-24 Reel, Cut Tape, MouseReel

Texas Instruments 开关控制器 Synchronous Buck Con troller A 595-TPS40 A 595-TPS40077PWP 2,495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 3-20V Wide Input Syn c Buck Controller A A 595-TPS40305DRCR 1,983库存量
最低: 1
倍数: 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 开关控制器 Triple Sync Buck w/L DO Controller A 595 A 595-TPS5130PT 876库存量
最低: 1
倍数: 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 开关控制器 BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C43DGK 4,027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
Infineon Technologies 开关控制器 10A DC/DC Step Down Synch Controller 1,047库存量
最低: 1
倍数: 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 开关控制器 75V On-Time PFET Buc k Switching Cntlr A A 926-LM5085MM/NOPB 1,434库存量
最低: 1
倍数: 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 开关控制器 75V DC-DC Buck Controller with HLL 1,691库存量
最低: 1
倍数: 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