Switching Controllers – Mouser Chile

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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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Part #

Switching Controllers L IQ, 38V Sync Boost+Buck Cntr

LTC7812IUH#PBF
Analog Devices
1: $13.893
479In Stock

Mfr. Part #
LTC7812IUH#PBF

Mouser Part #
584-LTC7812IUH#PBF

Analog Devices

Switching Controllers L IQ, 38V Sync Boost+Buck Cntr

Learn More

Datasheet

479In Stock

$13.893

$10.980

$9.697

$9.350

View

Min.: 1
Mult.: 1

Boost, Buck

2 Output

850 kHz

100 %

800 mV to 60 V

20 A

- 40 C

+ 125 C

SMD/SMT

QFN-32

Tube

Switching Controllers 3-V to 36-V 4-A lo w -noise synchronous

LM61440AANRJRR
Texas Instruments
1: $4.512
4.686In Stock

Mfr. Part #
LM61440AANRJRR

Mouser Part #
595-LM61440AANRJRR

Texas Instruments

Switching Controllers 3-V to 36-V 4-A lo w -noise synchronous

Learn More

Datasheet

4.686In Stock

Cut Tape

$4.512

$3.418

$3.145

$2.840

View

Reel

$2.314

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Buck

1 Output

200 kHz to 2.2 MHz

98 %

1 V to 34 V

4 A

- 40 C

+ 150 C

SMD/SMT

Reel, Cut Tape, MouseReel

Switching Controllers 4.5-42V Wide Vin Co nstant On-Time Non-S A 926-LM25085ASDE/NOPB

LM25085ASD/NOPB
Texas Instruments
1: $2.861
1.068In Stock

Mfr. Part #
LM25085ASD/NOPB

Mouser Part #
926-LM25085ASD/NOPB

Texas Instruments

Switching Controllers 4.5-42V Wide Vin Co nstant On-Time Non-S A 926-LM25085ASDE/NOPB

Datasheet

1.068In Stock

Cut Tape

$2.861

$2.135

$1.946

$1.746

Reel

$1.514

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

Buck

1 Output

1 MHz

100 %

900 mV to 42 V

1.75 A

- 40 C

+ 125 C

SMD/SMT

LLP-8

Reel, Cut Tape, MouseReel

Switching Controllers Bidirectional Synchronous 100V Buck/Boost Controller with Reverse Supply, Reverse Current and Fault Protection

LT8228HFE#PBF
Analog Devices
1: $22.853
226In Stock

Mfr. Part #
LT8228HFE#PBF

Mouser Part #
584-LT8228HFE#PBF

Analog Devices

Switching Controllers Bidirectional Synchronous 100V Buck/Boost Controller with Reverse Supply, Reverse Current and Fault Protection

Learn More

Datasheet

226In Stock

$22.853

$18.625

$17.237

$16.301

View

Min.: 1
Mult.: 1

Boost, Buck

1 Output

80 kHz to 600 kHz

95 %

100 V

40 A

- 40 C

+ 150 C

SMD/SMT

TSSOP-38

Tube

Switching Controllers PP, Hi Eff, Sync Buck Sw Reg

LTC1629CG-PG#PBF
Analog Devices
1: $23.232
768In Stock

Mfr. Part #
LTC1629CG-PG#PBF

Mouser Part #
584-LTC1629CG-PG#PBF

Analog Devices

Switching Controllers PP, Hi Eff, Sync Buck Sw Reg

Datasheet

768In Stock

$23.232

$18.573

$15.828

$14.787

View

Min.: 1
Mult.: 1

Buck

2 Output

300 kHz

99 %

1.26 V to 2.5 V

240 A

0 C

+ 70 C

SMD/SMT

SSOP-28

Tube

Switching Controllers High Speed PWM Contr oller

UC2823AN
Texas Instruments
1: $32.855
70In Stock

Mfr. Part #
UC2823AN

Mouser Part #
595-UC2823AN

Texas Instruments

Switching Controllers High Speed PWM Contr oller

Datasheet

70In Stock

$32.855

$26.482

$22.085

$21.686

View

Min.: 1
Mult.: 1

Boost, Buck, Flyback, Forward

2 Output

1 MHz

100 %

5.1 V

2 A

- 40 C

+ 85 C

Through Hole

PDIP-16

Tube

Switching Controllers Low Power Economy Bi CMOS Current Mode A A 595-UCC3813D-3

UCC3813DTR-3
Texas Instruments
1: $2.324
1.992In Stock

Mfr. Part #
UCC3813DTR-3

Mouser Part #
595-UCC3813DTR-3

Texas Instruments

Switching Controllers Low Power Economy Bi CMOS Current Mode A A 595-UCC3813D-3

Datasheet

1.992In Stock

Cut Tape

$2.324

$1.725

$1.567

$1.409

Reel

$1.157

View

MouseReel Available

Min.: 1
Mult.: 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

Switching Controllers 40V, High-Performance, Synchronous Buck

MAX15046BAEE+T
Analog Devices / Maxim Integrated
1: $5.900
2.475In Stock

Mfr. Part #
MAX15046BAEE+T

Mouser Part #
700-MAX15046BAEE+T

Analog Devices / Maxim Integrated

Switching Controllers 40V, High-Performance, Synchronous Buck

Datasheet

2.475In Stock

Cut Tape

$5.900

$4.491

$4.123

$3.755

View

Reel

$3.344

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Buck

1 Output

100 kHz to 1 MHz

87.5 %

600 mV to 36 V

25 A

- 40 C

+ 125 C

SMD/SMT

QSOP-16

Reel, Cut Tape, MouseReel

Switching Controllers 5V/3.3V or Adjustable, 100 Duty Cycle,

MAX1627ESA+T
Analog Devices / Maxim Integrated
1: $5.532
2.197In Stock

Mfr. Part #
MAX1627ESA+T

Mouser Part #
700-MAX1627ESAT

Analog Devices / Maxim Integrated

Switching Controllers 5V/3.3V or Adjustable, 100 Duty Cycle,

Datasheet

2.197In Stock

Cut Tape

$5.532

$4.217

$3.891

$3.523

View

Reel

$3.145

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Buck

1 Output

300 kHz

100 %

1.3 V to 16 V

3 A

- 40 C

+ 85 C

SMD/SMT

SOIC-Narrow-8

Reel, Cut Tape, MouseReel

Switching Controllers Monolithic SMPS Controller

MIC38C43YM-TR
Microchip Technology
1: $1.346
2.182In Stock

Mfr. Part #
MIC38C43YM-TR

Mouser Part #
998-MIC38C43YMTR

Microchip Technology

Switching Controllers Monolithic SMPS Controller

Datasheet

2.182In Stock

Cut Tape

$1.346

$1.325

$1.241

$1.220

Reel

$1.146

View

MouseReel Available

Min.: 1
Mult.: 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

Switching Controllers Digitally enhanced power analog buck controller

MCP19122-E/MJ
Microchip Technology
1: $5.837
359In Stock

Mfr. Part #
MCP19122-E/MJ

Mouser Part #
579-MCP19122-E/MJ

Microchip Technology

Switching Controllers Digitally enhanced power analog buck controller

Learn More

Datasheet

359In Stock

$5.837

$5.406

$5.195

$5.185

$4.890

Min.: 1
Mult.: 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

Switching Controllers Wide Vtg Range Buck- Boost Cntlr A 595-L A 595-LM25118Q1MH/NOPB

LM25118Q1MHE/NOPB
Texas Instruments
1: $8.508
339In Stock

Mfr. Part #
LM25118Q1MHE/NOPB

Mouser Part #
595-LM25118Q1MHENOPB

Texas Instruments

Switching Controllers Wide Vtg Range Buck- Boost Cntlr A 595-L A 595-LM25118Q1MH/NOPB

Learn More

Datasheet

339In Stock

Cut Tape

$8.508

$6.594

$6.110

$5.584

Reel

$4.996

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

Boost, Buck

1 Output

500 kHz

80 %

1.23 V to 38 V

4 A

- 40 C

+ 125 C

SMD/SMT

HTSSOP-20

AEC-Q100

Reel, Cut Tape, MouseReel

Switching Controllers Wide Vtg Range Buck- Boost Cntlr A 595-L A 595-LM25118Q1MHENOPB

LM25118Q1MHX/NOPB
Texas Instruments
1: $7.278
2.317In Stock

Mfr. Part #
LM25118Q1MHX/NOPB

Mouser Part #
595-LM25118Q1MHXNOPB

Texas Instruments

Switching Controllers Wide Vtg Range Buck- Boost Cntlr A 595-L A 595-LM25118Q1MHENOPB

Learn More

Datasheet

2.317In Stock

Cut Tape

$7.278

$5.584

$5.153

$4.691

View

Reel

$4.028

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Boost, Buck

1 Output

500 kHz

80 %

1.23 V to 38 V

4 A

- 40 C

+ 125 C

SMD/SMT

HTSSOP-20

AEC-Q100

Reel, Cut Tape, MouseReel

Switching Controllers 3-20V Wide Input Syn ch Buck Cntrlr A 59 A 595-TPS40304DRCR

TPS40304DRCT
Texas Instruments
1: $3.439
4.976In Stock

Mfr. Part #
TPS40304DRCT

Mouser Part #
595-TPS40304DRCT

Texas Instruments

Switching Controllers 3-20V Wide Input Syn ch Buck Cntrlr A 59 A 595-TPS40304DRCR

Datasheet

4.976In Stock

Cut Tape

$3.439

$2.587

$2.366

$2.135

Reel

$2.009

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

Buck

1 Output

600 kHz

90 %

600 mV to 18 V

25 A

- 40 C

+ 125 C

SMD/SMT

VSON-10

Reel, Cut Tape, MouseReel

Switching Controllers 4.5-42V Wide Vin Co nstant On-Time Non-S A 926-LM25085AMME/NOPB

LM25085AMM/NOPB
Texas Instruments
1: $3.113
920In Stock

Mfr. Part #
LM25085AMM/NOPB

Mouser Part #
926-LM25085AMM/NOPB

Texas Instruments

Switching Controllers 4.5-42V Wide Vin Co nstant On-Time Non-S A 926-LM25085AMME/NOPB

Datasheet

920In Stock

Cut Tape

$3.113

$2.335

$2.135

$1.914

Reel

$1.651

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

Buck

1 Output

1 MHz

100 %

900 mV to 42 V

1.75 A

- 40 C

+ 125 C

SMD/SMT

VSSOP-8

Reel, Cut Tape, MouseReel

Switching Controllers 2.2-V to 16-V 2-MHz N-channel FET sync A A 926-LM2737MTC/NOPB

LM2737MTCX/NOPB
Texas Instruments
1: $2.450
3.093In Stock

Mfr. Part #
LM2737MTCX/NOPB

Mouser Part #
926-LM2737MTCX/NOPB

Texas Instruments

Switching Controllers 2.2-V to 16-V 2-MHz N-channel FET sync A A 926-LM2737MTC/NOPB

Datasheet

3.093In Stock

Cut Tape

$2.450

$1.819

$1.651

$1.483

Reel

$1.262

View

MouseReel Available

Min.: 1
Mult.: 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

Switching Controllers 75V, Synchronous Buck Controller Featuring Adaptive On-Time Control with External Soft Start

MIC2128YML-TR
Microchip Technology
1: $1.630
6.704In Stock

Mfr. Part #
MIC2128YML-TR

Mouser Part #
579-MIC2128YML-TR

Microchip Technology

Switching Controllers 75V, Synchronous Buck Controller Featuring Adaptive On-Time Control with External Soft Start

Learn More

Datasheet

6.704In Stock

Cut Tape

$1.630

$1.609

$1.483

$1.472

View

Reel

$1.378

Min.: 1
Mult.: 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

Switching Controllers Hi Speed C Mode Pulse Width Mods

LT1244IS8#PBF
Analog Devices
1: $9.455
355In Stock

Mfr. Part #
LT1244IS8#PBF

Mouser Part #
584-LT1244IS8#PBF

Analog Devices

Switching Controllers Hi Speed C Mode Pulse Width Mods

Datasheet

355In Stock

$9.455

$7.341

$6.668

$6.142

View

Min.: 1
Mult.: 1

Buck

1 Output

500 kHz

96 %

5 V

1 A

- 40 C

+ 100 C

SMD/SMT

SOIC-8

Tube

Switching Controllers Hi Pwr Sync DC/DC Cntr

LT1339CSW#PBF
Analog Devices
1: $19.141
128In Stock

Mfr. Part #
LT1339CSW#PBF

Mouser Part #
584-LT1339CSW#PBF

Analog Devices

Switching Controllers Hi Pwr Sync DC/DC Cntr

Datasheet

128In Stock

$19.141

$14.871

$13.146

$12.725

View

Min.: 1
Mult.: 1

Boost, Buck

1 Output

150 kHz

90 %

Adjustable

30 A

0 C

+ 70 C

SMD/SMT

SOIC-20

Tube

Switching Controllers Bidirectional Synchronous 100V Buck/Boost Controller with Reverse Supply, Reverse Current and Fault Protection

LT8228IFE#PBF
Analog Devices
1: $22.632
6In Stock

Mfr. Part #
LT8228IFE#PBF

Mouser Part #
584-LT8228IFE#PBF

Analog Devices

Switching Controllers Bidirectional Synchronous 100V Buck/Boost Controller with Reverse Supply, Reverse Current and Fault Protection

Learn More

Datasheet

6In Stock

$22.632

$18.100

$14.587

$14.429

View

Min.: 1
Mult.: 1

Boost, Buck

1 Output

80 kHz to 600 kHz

95 %

100 V

40 A

- 40 C

+ 125 C

SMD/SMT

TSSOP-38

Tube

Switching Controllers Low IQ Triple Output Buck-Buck-Boost CTL

LTC7811IUJ#PBF
Analog Devices
1: $10.264
485In Stock

Mfr. Part #
LTC7811IUJ#PBF

Mouser Part #
584-LTC7811IUJ#PBF

Analog Devices

Switching Controllers Low IQ Triple Output Buck-Buck-Boost CTL

Learn More

Datasheet

485In Stock

$10.264

$7.993

$6.994

$6.731

View

Min.: 1
Mult.: 1

Boost, Buck

3 Output

100 kHz to 3 MHz

100 %

800 mV to 40 V

20 A

- 40 C

+ 125 C

SMD/SMT

QFN-40

Tube

Switching Controllers BiCMOS Advanced Phas e Shift

UCC3895N
Texas Instruments
1: $9.118
394In Stock

Mfr. Part #
UCC3895N

Mouser Part #
595-UCC3895N

Texas Instruments

Switching Controllers BiCMOS Advanced Phas e Shift

Datasheet

394In Stock

$9.118

$6.058

$5.774

$5.448

View

Min.: 1
Mult.: 1

Boost, Buck

4 Output

1 MHz

100 %

5 V

100 mA

0 C

+ 70 C

Through Hole

PDIP-20

Tube

Switching Controllers 16V Step-Down DCDC Controller

XC9221A09AMR-G
Torex Semiconductor
1: $1.430
2.750In Stock

Mfr. Part #
XC9221A09AMR-G

Mouser Part #
865-XC9221A09AMR-G

Torex Semiconductor

Switching Controllers 16V Step-Down DCDC Controller

Learn More

Datasheet

2.750In Stock

Cut Tape

$1.430

$1.039

$936

$841

Reel

$694

View

MouseReel Available

Min.: 1
Mult.: 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

Switching Controllers 4.5-42V Wide Vin Co nstant On-Time Non-S A 926-LM25085SDE/NOPB

LM25085SD/NOPB
Texas Instruments
1: $2.482
3.000In Stock

Mfr. Part #
LM25085SD/NOPB

Mouser Part #
926-LM25085SD/NOPB

Texas Instruments

Switching Controllers 4.5-42V Wide Vin Co nstant On-Time Non-S A 926-LM25085SDE/NOPB

Datasheet

3.000In Stock

Cut Tape

$2.482

$1.851

$1.683

$1.514

Reel

$1.220

View

MouseReel Available

Min.: 1
Mult.: 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

Switching Controllers High Efficiency High -Side N-Channel Con A 926-LM3477AMMX/NOPB

LM3477AMM/NOPB
Texas Instruments
1: $3.481
811In Stock

Mfr. Part #
LM3477AMM/NOPB

Mouser Part #
926-LM3477AMM/NOPB

Texas Instruments

Switching Controllers High Efficiency High -Side N-Channel Con A 926-LM3477AMMX/NOPB

Datasheet

811In Stock

Cut Tape

$3.481

$2.608

$2.398

$2.156

Reel

$1.904

View

MouseReel Available

Min.: 1
Mult.: 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

Buck Converters for Power Over Ethernet

Customer Service Office

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Support

650 Hz to 80 kHz
35 kHz to 500 kHz
50 kHz to 1 MHz
50 kHz to 300 kHz
50 kHz to 500 kHz
50 kHz to 750 kHz
50 kHz to 850 kHz
50 kHz to 900 kHz
60 kHz
65 kHz
70 kHz
70 kHz to 130 kHz
80 kHz to 600 kHz
100 kHz
100 kHz to 1 MHz
100 kHz to 1.6 MHz
100 kHz to 2.2 MHz
100 kHz to 2.5 MHz
100 kHz to 2.64 MHz
100 kHz to 3 MHz

80 %
81 %
82 %
83 %
84 %
85 %
86 %
87.5 %
88 %
89 %
90 %
91 %
92 %
93 %
95 %
96 %
97 %
98 %
98.75 %
99 %

0 V to 60 V
100 mV to 100 V
300 mV to 16 V
400 mV to 2.5 V
400 mV to 4.73 V
500 mV
500 mV to 1.27 V
500 mV to 3.6 V
500 mV to 5.25 V
500 mV to 5.5 V
591 mV
591 mV to 14.4 V
591 mV to 17 V
600 mV
600 mV to 12.75 V
600 mV to 13.5 V
600 mV to 17 V
600 mV to 18 V
600 mV to 18.6 V
600 mV to 19 V

1 uA
13.2 uA
52.5 uA
65 uA
105 uA
130 uA
180 uA
200 uA
800 uA
1 mA
2 mA
4 mA
5 mA
6 mA
8 mA
20 mA
25 mA
30 mA
37 mA
40 mA

CFP-8
CPAK-20
DFN-10
DFNW-10
DIP-7
DIP-8
GQFN-48
HTQFP-48
HTSSOP-14
HTSSOP-16
HTSSOP-20
HTSSOP-38
LFCSP-20
LFCSP-32
LLP-8
LQFP-48
MLF-12
MLF-16
MLF-32
MSOP-10