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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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 75V, Synchronous Buck Controller Featuring Adaptive On-Time Control with External Soft Start 6,718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 BiCMOS Advanced Phas e Shift 400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

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

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 6,983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 1,960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 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 87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
Microchip Technology 开关控制器 Monolithic SMPS Controller 323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

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
Texas Instruments 开关控制器 Mid Input Sync Buck w/Vltg Feed-Fwd 2,626库存量
最低: 1
倍数: 1
: 3,000

Buck 1 Output 100 kHz to 1 MHz 95 % 700 mV to 23 V 20 A - 40 C + 85 C SMD/SMT VQFN-20 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 Current-Mode NB Sys Pwr Controller 2,519库存量
最低: 1
倍数: 1
: 3,000

Buck 2 Output 200 kHz to 1 MHz 99 % 1 V to 12 V 20 A - 40 C + 85 C SMD/SMT WQFN-32 AEC-Q100 Reel, Cut Tape, MouseReel
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
Texas Instruments 开关控制器 AC Low Iq dual Sync Buck Cntrlr 1,850库存量
最低: 1
倍数: 1
: 2,000

Buck 2 Output 150 kHz to 600 kHz 98.75 % 5 V 6 A - 40 C + 125 C SMD/SMT HTSSOP-38 AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 Auto Cat Tr Synch Bu ck Controller 993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 + 125 C SMD/SMT LQFP-48 AEC-Q100 Reel, Cut Tape, MouseReel
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 1,101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
Texas Instruments 开关控制器 Low-Voltage Synchron ous Buck Controller 597库存量
最低: 1
倍数: 1
: 1,000

Buck 1 Output 100 kHz to 1 MHz 95 % 800 mV to 4.5 V 6 A - 40 C + 125 C SMD/SMT WSON-6 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 Automotive 80V 100 % duty-cycle capable 9,338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
Diodes Incorporated 开关控制器 USB Std Power Range W-QFN4040-24/SWP(Type A1-B) T&R 3K 2,100库存量
最低: 1
倍数: 1
最大: 300
: 3,000

Buck 1 Output 440 kHz 95 % 4 V to 36 V 5 V to 28 V 3 A - 40 C + 125 C SMD/SMT WQFN-24 Reel, Cut Tape
Texas Instruments 开关控制器 Current-Mode PWM Con troller ALT 595-UC3 ALT 595-UC3842AD8TR 2,931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