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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结果: 773
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Texas Instruments 开关控制器 Sgl Sync SD Cntrlr A 595-TPS53014DGS A 5 A 595-TPS53014DGS 2,448库存量
最低: 1
倍数: 1
: 2,500

Buck 1 Output 500 kHz 83 % 760 mV to 7 V 25 A - 40 C + 85 C SMD/SMT MSOP-10 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 Current Mode 1,111库存量
最低: 1
倍数: 1

Boost, Buck, Flyback, Forward 1 Output 500 kHz 100 % 5 V 200 mA 0 C + 70 C SMD/SMT SOIC-8 Tube
Microchip Technology 开关控制器 Sync Buck, PWM Ctrl 300Khz, 8ns 60库存量
最低: 1
倍数: 1

Buck 1 Output 300 kHz 85 % 5 V 50 mA - 40 C + 125 C SMD/SMT DFN-10 AEC-Q100 Tube
Richtek 开关控制器 12V Green Voltage Mode High Efficiency Synchronous Buck PWM Controller 1,497库存量
最低: 1
倍数: 1
: 1,500

Buck 2 Output 300 kHz 88 % 5 V to 12 V 4 mA - 40 C + 85 C SMD/SMT WDFN-10 Reel, Cut Tape
Texas Instruments 开关控制器 Current-Mode PWM Con troller ALT 595-UC3 ALT 595-UC3842AD8TR 2,940库存量
最低: 1
倍数: 1
: 2,500

Boost, Buck, Flyback, Forward 1 Output 500 kHz 100 % 5 V 200 mA 0 C + 70 C SMD/SMT SOIC-8 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 Current-Mode PWM Con troller A 595-UC384 A 595-UC3842AD 1,971库存量
最低: 1
倍数: 1
: 2,500

Boost, Buck, Flyback, Forward 1 Output 500 kHz 100 % 5 V 200 mA 0 C + 70 C SMD/SMT SOIC-14 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 High Speed Vltg Mode A 595-UCC35705D A 5 A 595-UCC35705D 2,278库存量
最低: 1
倍数: 1
: 2,500

Boost, Buck, Flyback, Forward 1 Output 4 MHz 93 % 20 mA 0 C + 70 C SMD/SMT SOIC-8 Reel, Cut Tape, MouseReel
Richtek 开关控制器 Dual-Channel Synchronous DC-DC Step-Down Controller with 5V/3.3V LDOs 867库存量
最低: 1
倍数: 1
: 1,500

Buck 4 Output 300 kHz, 355 kHz 98 % Adjustable 100 mA - 40 C + 85 C SMD/SMT WQFN-20 Reel, Cut Tape
Richtek 开关控制器 5V High Efficiency Synchronous Buck PWM Controller 1,500库存量
最低: 1
倍数: 1
: 1,500

Buck 2 Output 300 kHz 88 % 5 V 1.5 A - 40 C + 85 C SMD/SMT WDFN-10 Reel, Cut Tape
Richtek 开关控制器 Single Phase PWM Controller with Light Load Efficiency Optimization 1,498库存量
最低: 1
倍数: 1
: 1,500

Buck 2 Output 200 kHz 95 % 800 mV to 3.3 V 150 mA - 40 C + 85 C SMD/SMT WQFN-16 Reel, Cut Tape
Richtek 开关控制器 Dual-Phase Synchronous Buck PWM Controller 1,466库存量
最低: 1
倍数: 1
: 1,500

Buck 4 Output 100 kHz to 1 MHz 80 % 400 mV to 2.5 V 1.5 A - 40 C + 85 C SMD/SMT WQFN-24 Reel, Cut Tape
ROHM Semiconductor 开关控制器 PWM Type DC/DC Converter IC Included a Switching MOSFET 5,810库存量
最低: 1
倍数: 1

Buck 1 Output 70 kHz 82 % 8.9 V to 26 V 10.4 A - 40 C + 105 C Through Hole DIP-7 Tube

Torex Semiconductor 开关控制器 2ch.Step-Down DC/DC Controller Ics 819库存量
最低: 1
倍数: 1
: 1,000

Buck 2 Output 300 kHz 100 % 900 mV to 10 V 1 A - 40 C + 85 C SMD/SMT MSOP-10 Reel, Cut Tape, MouseReel

Microchip Technology 开关控制器 36V, Dual Phase COT Buck Controller, Stackable Feature 3,370库存量
最低: 1
倍数: 1
: 3,300

Buck 1 Output 100 kHz to 1 MHz 85 % 4.5 V to 36 V Adjustable - 40 C + 125 C SMD/SMT VQFN-32 Reel, Cut Tape
Texas Instruments 开关控制器 4.5V-8V Input Synch Buck Contr A 595-TPS A 595-TPS40192DRCT 4,746库存量
最低: 1
倍数: 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
ROHM Semiconductor 开关控制器 PWM Type DC/DC Converter IC Included a Switching MOSFET 2,000库存量
最低: 1
倍数: 1

Buck 1 Output 70 kHz 82 % 8.9 V to 26 V 10.4 A - 40 C + 105 C Through Hole DIP-7 Tube
Microchip Technology 开关控制器 75V, Dual Phase Advanced COT PWM Controller 3,571库存量
最低: 1
倍数: 1
: 3,300

Buck 1 Output 100 kHz to 1 MHz 85 % 600 mV to 28 V 100 mA - 40 C + 125 C SMD/SMT VQFN-32 Reel, Cut Tape


Microchip Technology 开关控制器 36V, Dual Phase COT Buck Controller, HLL & Phase Shedding 3,290库存量
最低: 1
倍数: 1
: 3,300

Buck 1 Output 100 kHz to 1 MHz 85 % Adjustable - 40 C + 125 C SMD/SMT Reel, Cut Tape
Monolithic Power Systems (MPS) 开关控制器 4V-40V Input Current Mode Sync StpDwn Con 2,190库存量
最低: 1
倍数: 1
: 2,500

Buck 1 Output 430 kHz 99.5 % 25 V 13.2 uA - 40 C + 125 C SMD/SMT TSSOP-20 Reel, Cut Tape

Microchip Technology 开关控制器 76V Synchronous Buck Controller 397库存量
最低: 1
倍数: 1

Buck 1 Output 100 kHz 96 % Adjustable 15 A - 40 C + 125 C SMD/SMT MSOP-10 Tube
Texas Instruments 开关控制器 Automotive grade 4.5 -42V wide VIN curre A 595-LM25119QPSQXNOPB 1,895库存量
最低: 1
倍数: 1
: 1,000

Buck 2 Output 50 kHz to 750 kHz 95 % 800 mV to 41.3 V 40 A - 40 C + 125 C SMD/SMT WQFN-32 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 4.5-14V Inp Synch Bu ck Cntrlr A 595-TPS A 595-TPS40197RGYT 2,994库存量
最低: 1
倍数: 1
: 3,000

Buck 1 Output 520 kHz 85 % 900 mV to 1.2 V 6 A - 40 C + 85 C SMD/SMT VQFN-16 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 42V 100% duty-cycle capable dual-channe 796库存量
最低: 1
倍数: 1
: 2,500

Buck 2 Output 100 kHz to 2.2 MHz 100 % 4 V to 42 V 800 mV to 36 V - 40 C + 150 C SMD/SMT VQFN-36 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 Automotive 80V 100 % duty cycle dual-c 2,678库存量
最低: 1
倍数: 1
最大: 500
: 2,500

Buck 2 Output 100 kHz to 2.5 MHz 100 % 4 V to 80 V 800 mV to 60 V - 40 C + 125 C SMD/SMT VQFN-36 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 Triple Sync Buck w/L DO Controller A 595 A 595-TPS5130PTR 147库存量
最低: 1
倍数: 1

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 Tray