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 High Speed PWM Contr oller 74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 2,094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
Nisshinbo 开关控制器 Buck DC/DC Controller 3,103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
Microchip Technology 开关控制器 Monolithic SMPS Controller 2,282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
Microchip Technology 开关控制器 Digitally enhanced power analog buck controller 359库存量
最低: 1
倍数: 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 开关控制器 2.2-V to 16-V 2-MHz N-channel FET sync A A 926-LM2737MTC/NOPB 3,113库存量
最低: 1
倍数: 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
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 High Perf Sync Buck Cntlr A 595-LM27403S A 595-LM27403SQ/NOPB 3,561库存量
最低: 1
倍数: 1
: 250

Buck 1 Output 1.05 MHz 93 % 600 mV to 19 V 25 A - 40 C + 125 C SMD/SMT WQFN-24 Reel, Cut Tape, MouseReel
Torex Semiconductor 开关控制器 16V Input Step-Down DCDC Controller 2,944库存量
最低: 1
倍数: 1
: 3,000

Buck 1 Output 1 MHz 100 % Adjustable 3 A - 40 C + 85 C SMD/SMT SOT-25-5 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-LM2727MTC/NOPB 2,564库存量
最低: 1
倍数: 1
: 2,500

Buck 1 Output 2 MHz 90 % 600 mV to 5 V 20 A 0 C + 125 C SMD/SMT TSSOP-14 Reel, Cut Tape, MouseReel

Microchip Technology 开关控制器 Monolithic SMPS Controller 216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 SOIC-14 Tube
Microchip Technology 开关控制器 Monolithic SMPS Controller 237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 SOIC-8 Tube
Texas Instruments 开关控制器 Wide Inp Non-Sync Bu ck DC/DC Cntrlr ALT ALT 595-TPS40200DR 2,752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

Torex Semiconductor 开关控制器 16V Step-Down DCDC Controller 2,750库存量
最低: 1
倍数: 1
: 3,000

Buck 1 Output 1 MHz 100 % 1.2 V 3 A - 40 C + 85 C SMD/SMT SOT-25-5 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 4.5-42V Wide Vin Co nstant On-Time Non-S A 926-LM25085SDE/NOPB 3,000库存量
最低: 1
倍数: 1
: 1,000

Buck 1 Output 1 MHz 100 % 1.25 V to 42 V 1.75 A - 40 C + 125 C SMD/SMT LLP-8 Reel, Cut Tape, MouseReel

Texas Instruments 开关控制器 High Efficiency High -Side N-Channel Con A 926-LM3477AMMX/NOPB 811库存量
最低: 1
倍数: 1
: 1,000

Buck 1 Output 500 kHz 93 % 1.265 V 6 A - 40 C + 125 C SMD/SMT VSSOP-8 Reel, Cut Tape, MouseReel
onsemi 开关控制器 CONSTANT-CURRENT BUCK REGULATOR FOR DRIVING HIGH POWER LEDS 2,950库存量
最低: 1
倍数: 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 开关控制器 Lo Vtg N-Ch MOSFET S ync Buck Reg Cntlr A 926-LM2743MTC/NOPB 2,516库存量
最低: 1
倍数: 1
: 2,500

Buck 1 Output 50 kHz to 1 MHz 80 % Adjustable 4 A - 40 C + 125 C SMD/SMT TSSOP-14 Reel, Cut Tape, MouseReel

Microchip Technology 开关控制器 Monolithic SMPS Controller 126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
onsemi 开关控制器 INDUSTRIAL TEMP RANGE I 2,103库存量
最低: 1
倍数: 1
: 2,500

Buck 2 Output 300 kHz to 1.4 MHz 100 % 3.5 V 800 uA - 40 C + 100 C SMD/SMT QFN-52 Reel, Cut Tape, MouseReel
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

Microchip Technology 开关控制器 500KHz Synchronous Buck Controller 89库存量
最低: 1
倍数: 1

Buck 1 Output 500 kHz 92 % 800 mV - 40 C + 125 C SMD/SMT MSOP-10 Tube
Microchip Technology 开关控制器 Monolithic SMPS Controller 328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 Through Hole DIP-8 Tube
Texas Instruments 开关控制器 Automotive 80V 100 % duty-cycle capable 9,490库存量
最低: 1
倍数: 1
: 2,500

Buck 2 Output 2.42 MHz 100 % 4 V to 80 V 800 mV to 60 V - 40 C + 150 C SMD/SMT VQFN-36 Reel, Cut Tape, MouseReel