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 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 1-V to 14-V voltage mode synchronous bu A 926-LM2745MTC/NOPB 839库存量
最低: 1
倍数: 1
: 2,500

Buck 1 Output 50 kHz to 1 MHz 86 % 600 mV to 13.5 V 20 A - 40 C + 125 C SMD/SMT TSSOP-14 Reel, Cut Tape, MouseReel
Microchip Technology 开关控制器 Synchronous Buck PWM Control 600kHz 12ns 431库存量
最低: 1
倍数: 1

Buck 1 Output 600 kHz 85 % 5 V 50 mA - 40 C + 125 C SMD/SMT DFN-10 AEC-Q100 Tube
Texas Instruments 开关控制器 Automotive 2.2-MHz l ow-IQ synchronous b 3,988库存量
最低: 1
倍数: 1
: 3,000

Buck 1 Output 440 kHz, 4.4 MHz 99 % 3.3 V, 5 V, 1.5 V to 15 V 30 A - 40 C + 150 C SMD/SMT VQFN-24 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 Wide Input Range Syn Buck Controller A 5 A 595-LM5141RGER 200库存量
最低: 1
倍数: 1
: 250

Buck 1 Output 440 kHz, 2.2 MHz 99 % 3.3 V, 5 V, 1.5 V to 15 V 20 A - 40 C + 125 C SMD/SMT VQFN-24 AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 Adj Hi-Efficient Ste p-Dwn 20uA SOT-23 A A 595-TPS64201DBVT 1,246库存量
最低: 1
倍数: 1
: 3,000

Buck 1 Output 450 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 Current Mode 759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-14 Tube
Richtek 开关控制器 Dual-Channel Synchronous DC-DC Step-Down Controller with 5V/3.3V LDOs 847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
Microchip Technology 开关控制器 Monolithic SMPS Controller 165库存量
最低: 1
倍数: 1

Boost, Buck, Flyback, Forward 1 Output 500 kHz 96 % 5 V 500 mA - 40 C + 85 C SMD/SMT MSOP-8 Tube
Microchip Technology 开关控制器 Monolithic SMPS Controller 69库存量
最低: 1
倍数: 1

Boost, Buck, Flyback, Forward 1 Output 500 kHz 96 % 5 V 1 A - 40 C + 85 C Through Hole DIP-8 Tube
Texas Instruments 开关控制器 4.5V-20V Buck Cntrlr A 595-TPS40195RGYT A 595-TPS40195RGYT 4,572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 Adj Hi-Efficient Ste p-Dwn 20uA SOT-23 A A 595-TPS64203DBVR 817库存量
最低: 1
倍数: 1
: 250

Buck 1 Output 800 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 Current-Mode PWM Con troller A 595-UC384 A 595-UC3842D 1,919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-Performance Syn chronous Buck Contr A 926-LM21212MH-1/NOPB 986库存量
最低: 1
倍数: 1
: 1,000

Buck 1 Output 300 kHz 91 % 800 mV to 4.6 V 20 A - 40 C + 125 C SMD/SMT MSOP-10 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 High Speed PWM Contr oller A 595-UC2823D A 595-UC2823DWTR 239库存量
最低: 1
倍数: 1

Boost, Buck, Flyback, Forward 1 Output 1 MHz 100 % 5.1 V 2 A - 25 C + 85 C SMD/SMT SOIC-16 Tube
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
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

Microchip Technology 开关控制器 Monolithic SMPS Controller 125库存量
最低: 1
倍数: 1

Boost, Buck, Flyback, Forward 1 Output 500 kHz 96 % 5 V 1 A - 40 C + 85 C SMD/SMT SOIC-14 Tube
Texas Instruments 开关控制器 Multiphase bidirecti onal current contro A 595-LM5170PHPR 245库存量
最低: 1
倍数: 1
: 250

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 High Speed PWM Contr oller 36库存量
最低: 1
倍数: 1

Boost, Buck 2 Output 1 MHz 100 % 5.1 V 1.5 A 0 C + 70 C Through Hole PDIP-16 Tube


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

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 High Speed PWM Contr oller 214库存量
最低: 1
倍数: 1

Boost, Buck, Flyback, Forward 1 Output 1 MHz 100 % 5.1 V 2 A - 25 C + 85 C Through Hole PDIP-16 Tube
Texas Instruments 开关控制器 High Speed PWM Contr oller 48库存量
最低: 1
倍数: 1

Boost, Buck, Flyback, Forward 1 Output 1 MHz 100 % 5.1 V 2 A 0 C + 70 C Through Hole PDIP-16 Tube