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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Monolithic Power Systems (MPS) 开关控制器 4V-40V Input Current Mode Sync StpDwn Co 19库存量
最低: 1
倍数: 1
: 5,000

Buck 1 Output 430 kHz 99.5 % 25 V 13.2 uA - 40 C + 125 C SMD/SMT QFN-20 Reel, Cut Tape, MouseReel
Monolithic Power Systems (MPS) 开关控制器 4V-60V Input, Curren t Mode, Synchronous 132库存量
5,000预期 2027/1/4
最低: 1
倍数: 1
: 2,500

Buck 1 Output 300 kHz 99.5 % 24 V - 40 C + 125 C SMD/SMT TSSOP-20 Reel, Cut Tape

Microchip Technology 开关控制器 3V Buck Contoller 218库存量
最低: 1
倍数: 1

Buck 1 Output 400 kHz 100 % Adjustable - 40 C + 125 C SMD/SMT SOP-8 Tube

Texas Instruments 开关控制器 Low Input 2.25V-5.5V 300 kHz Frequency A A 595-TPS40000DGQR 209库存量
最低: 1
倍数: 1

Buck 1 Output 350 kHz 97 % 700 mV 8 mA - 40 C + 85 C SMD/SMT MSOP-PowerPad-10 Tube
Texas Instruments 开关控制器 4.5V-18V Input Synch Buck Cntrlr ALT 595 ALT 595-TPS40193DRCR 325库存量
最低: 1
倍数: 1
: 3,000

Buck 1 Output 300 kHz 85 % 4.5 V to 18 V 20 A - 40 C + 85 C SMD/SMT VSON-10 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 Sync Buck w/NMOS LDO Controller A 595-TP A 595-TPS5110PWR 180库存量
最低: 1
倍数: 1

Buck 2 Output 500 kHz 82 % 900 mV to 3.5 V 1.5 A - 40 C + 85 C SMD/SMT TSSOP-24 Tube
Texas Instruments 开关控制器 Dual Ch Sync Step-Do wn A 595-TPS5124DBT A 595-TPS5124DBT 34库存量
最低: 1
倍数: 1
: 2,000

Buck 2 Output 500 kHz 80 % 900 mV to 12 V 20 A - 40 C + 85 C SMD/SMT TSSOP-30 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 Dual Synch Step- Dow n Controller A 595- A 595-TPS53125PW 45库存量
最低: 1
倍数: 1

Buck 2 Output 350 kHz 89 % 760 mV to 5.5 V 15 A - 40 C + 85 C SMD/SMT TSSOP-24 Tube
Texas Instruments 开关控制器 High Speed PWM Contr oller ALT 595-UC382 ALT 595-UC3823N 89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
Texas Instruments 开关控制器 Adv Voltage Mode 77库存量
最低: 1
倍数: 1

Boost, Buck, Flyback, Forward 1 Output 700 kHz 99 % 13 V 1 A 0 C + 70 C SMD/SMT TSSOP-14 Tube
Texas Instruments 开关控制器 Adv Voltage Mode 20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 TSSOP-14 Tube
Texas Instruments 开关控制器 Low-Power BiCMOS Cur rent-Mode PWM 288库存量
最低: 1
倍数: 1

Boost, Buck, Flyback, Forward 1 Output 1 MHz 100 % 5 V 1 A 0 C + 70 C SMD/SMT TSSOP-8 Tube
Texas Instruments 开关控制器 Low Power Economy Bi CMOS Current Mode A A 595-UCC3813PW-0 30库存量
最低: 1
倍数: 1
: 2,000

Boost, Buck, Flyback, Forward 1 Output 1 MHz 100 % 1 A 0 C + 70 C SMD/SMT TSSOP-8 Reel, Cut Tape, MouseReel

Texas Instruments 开关控制器 BiCMOS Low-Power Cur rent Mode A 595-UCC A 595-UCC38C40DGKR 371库存量
最低: 1
倍数: 1

Boost, Buck, Flyback, Forward 1 Output 1 MHz 100 % 18 V 1 A 0 C + 70 C SMD/SMT VSSOP-8 Tube

Texas Instruments 开关控制器 Low-Vtg Sync Buck Cn tlr 989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 VSSOP-8 Reel, Cut Tape, MouseReel

Texas Instruments 开关控制器 Low-Vtg Sync Buck Cn tlr 928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 VSSOP-8 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 1-V to 14-V voltage mode synchronous bu A 926-LM2747MTCX/NOPB 205库存量
最低: 1
倍数: 1

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 Tube
Texas Instruments 开关控制器 75V Secondary Side P ost Regulator/ Sync A 926-LM5115MTC/NOPB 170库存量
最低: 1
倍数: 1
: 2,500

Buck 1 Output 1 MHz 85 % 750 mV to 13.5 V 2.5 A - 40 C + 125 C SMD/SMT TSSOP-16 Reel, Cut Tape, MouseReel
onsemi 开关控制器 DUAL-CHANNEL/TWO-PHASE CONTROLLER FOR DRMOS 68库存量
最低: 1
倍数: 1
: 5,000

Buck 2 Output 200 kHz to 2 MHz 100 % 600 mV to 5.3 V 2 mA - 40 C + 125 C SMD/SMT QFN-28 Reel, Cut Tape, MouseReel
Microchip Technology 开关控制器 75V, Dual Phase Advanced COT PWM Multi-Phase Controller
10,999在途量
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 4.5-75V Wide Vin Co nstant On-Time Non-S A 926-LM5085MYE/NOPB
17,001在途量
最低: 1
倍数: 1
最大: 800
: 3,500

Buck 1 Output 1 MHz 100 % 1.25 V to 75 V 1.75 A - 40 C + 125 C SMD/SMT MSOP-PowerPad-8 Reel, Cut Tape, MouseReel

Texas Instruments 开关控制器 Sync Buck Controller A 926-LM5116MHX/NOP A 926-LM5116MHX/NOPB
20,283在途量
最低: 1
倍数: 1

Buck 1 Output 50 kHz to 1 MHz 98 % 1.215 V to 80 V 20 A - 40 C + 150 C SMD/SMT HTSSOP-20 Tube

Texas Instruments 开关控制器 4.5-42V Wide Vin Co nstant On-Time Non-S A 926-LM25085MYE/NOPB
13,903在途量
最低: 1
倍数: 1
最大: 720
: 3,500

Buck 1 Output 1 MHz 100 % 1.25 V to 42 V 1.75 A - 40 C + 125 C SMD/SMT MSOP-PowerPad-8 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 MCM- Primary Side FB A 595-UCC28910D A 5 A 595-UCC28910D
4,982预期 2026/9/24
最低: 1
倍数: 1
: 2,500

Buck, Flyback 1 Output 115 kHz 99 % 5 V 1.26 A - 40 C + 125 C SMD/SMT SOIC-7 Reel, Cut Tape, MouseReel
Texas Instruments 开关控制器 UCC28911: 700V Flyba ck Switcher A 595-U A 595-UCC28911D
4,961预期 2026/9/4
最低: 1
倍数: 1
: 2,500

Buck, Flyback 1 Output 115 kHz 99 % 5 V 1.2 A - 40 C + 125 C SMD/SMT SOIC-7 Reel, Cut Tape, MouseReel