Buck Converters

A Buck Converter, also known as a Step-Down Converter, is a DC-to-DC power converter that steps down the voltage from its input to its output. A buck converter integrates the core components and circuitry needed into a single device.

Buck converters are found in countless electronic applications, where their power regulation properties are a vital component.

How does a Buck Convert...

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Microchip, MIC2129T-E/2FW Step-Down COT Controller, 1-Channel Current, Voltage 24-Pin, VQFN
Microchip, MIC2129T-E/2FW Step-Down COT Controller, 1-Channel Current, Voltage 24-Pin, VQFN
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RS Stock No.: 332-634Brand: MicrochipManufacturers Part No.: MIC2129T-E/2FW

€ 16,005.50

€ 6.402 Each (On a Reel of 2500) (ex VAT)

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2500

Available in multiples of 2500
2500€ 6.402
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Microchip
-
-
100 V
Step Down
4.5 V
-
-
Current, Voltage
-
1
24
-
VQFN
-
-
-
-
-
-
-
-
-
Microchip, MIC2129T-E/U3B Step-Down COT Controller, 1-Channel Current, Voltage 24-Pin, VQFN
Microchip, MIC2129T-E/U3B Step-Down COT Controller, 1-Channel Current, Voltage 24-Pin, VQFN
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RS Stock No.: 332-636Brand: MicrochipManufacturers Part No.: MIC2129T-E/U3B

€ 5,961.90

€ 5.962 Each (On a Reel of 1000) (ex VAT)

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1000

Available in multiples of 1000
1000€ 5.962
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Microchip
-
-
100 V
Step Down
4.5 V
-
-
Current, Voltage
-
1
24
-
VQFN
-
-
-
-
-
-
-
-
-
ROHM, BD9G201UEFJ-LBE2 Step-Down Switching Regulator, 1-Channel 1.5A 8-Pin, HTSOP-J8ES
ROHM, BD9G201UEFJ-LBE2 Step-Down Switching Regulator, 1-Channel 1.5A 8-Pin, HTSOP-J8ES
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RS Stock No.: 267-2276Brand: ROHMManufacturers Part No.: BD9G201UEFJ-LBE2

€ 6,217.75

€ 2.487 Each (On a Reel of 2500) (ex VAT)

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2500

Available in multiples of 2500
2500€ 2.487
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ROHM
-
1.5A
42 V
Buck Controller
0.8 V
4.5 V
-
-
-
1
8
-
HTSOP-J8ES
-
-
-
-
-
-
-
-
-
ROHM, BD9G201UEFJ-LBE2 Step-Down Switching Regulator, 1-Channel 1.5A 8-Pin, HTSOP-J8ES
ROHM, BD9G201UEFJ-LBE2 Step-Down Switching Regulator, 1-Channel 1.5A 8-Pin, HTSOP-J8ES
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Also available in industry standard packaging
RS Stock No.: 267-2277Brand: ROHMManufacturers Part No.: BD9G201UEFJ-LBE2

€ 19.40

€ 3.879 Each (In a Pack of 5) (ex VAT)

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5

Available in multiples of 5
5€ 3.879
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ROHM
-
1.5A
42 V
Buck Controller
0.8 V
4.5 V
-
-
-
1
8
-
HTSOP-J8ES
-
-
-
-
-
-
-
-
-
ROHM, BD9G401UEFJ-ME2 Step-Down Switching Regulator, 1-Channel 3.5A 8-Pin, HTSOP-J8ES
ROHM, BD9G401UEFJ-ME2 Step-Down Switching Regulator, 1-Channel 3.5A 8-Pin, HTSOP-J8ES
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Also available in industry standard packaging
RS Stock No.: 267-2280Brand: ROHMManufacturers Part No.: BD9G401UEFJ-ME2

€ 7.64

€ 3.82 Each (In a Pack of 2) (ex VAT)

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2

Available in multiples of 2
2€ 3.82
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ROHM
-
3.5A
42 V
Buck Controller
0.8 V
4.5 V
-
-
-
1
8
-
HTSOP-J8ES
-
-
-
-
-
-
-
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-
ROHM, BD9G401UEFJ-ME2 Step-Down Switching Regulator, 1-Channel 3.5A 8-Pin, HTSOP-J8ES
ROHM, BD9G401UEFJ-ME2 Step-Down Switching Regulator, 1-Channel 3.5A 8-Pin, HTSOP-J8ES
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RS Stock No.: 267-2279Brand: ROHMManufacturers Part No.: BD9G401UEFJ-ME2

€ 6,604.50

€ 2.642 Each (On a Reel of 2500) (ex VAT)

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2500

Available in multiples of 2500
2500€ 2.642
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ROHM
-
3.5A
42 V
Buck Controller
0.8 V
4.5 V
-
-
-
1
8
-
HTSOP-J8ES
-
-
-
-
-
-
-
-
-
ROHM, BD9S402MUF-CE2 Step-Down Switching Regulator 4A
ROHM, BD9S402MUF-CE2 Step-Down Switching Regulator 4A
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RS Stock No.: 252-3113Brand: ROHMManufacturers Part No.: BD9S402MUF-CE2

€ 7,639.80

€ 2.547 Each (On a Reel of 3000) (ex VAT)

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3000

Available in multiples of 3000
3000€ 2.547
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ROHM
-
4A
0.75 V
Buck Converter
0.6 V
2.7 V
-
-
-
-
-
-
-
-
-
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-
-
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ROHM, BD9S402MUF-CE2 Step-Down Switching Regulator 4A
ROHM, BD9S402MUF-CE2 Step-Down Switching Regulator 4A
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Also available in industry standard packaging
RS Stock No.: 252-3114Brand: ROHMManufacturers Part No.: BD9S402MUF-CE2

€ 22.85

€ 4.57 Each (In a Pack of 5) (ex VAT)

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5

Available in multiples of 5
5€ 4.57
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ROHM
-
4A
0.75 V
Buck Converter
0.6 V
2.7 V
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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Renesas Electronics, ISL85415FRZ Synchronous Buck Regulator, 1-Channel 500mA Adjustable 12-Pin, DFN-EP-12
Renesas Electronics, ISL85415FRZ Synchronous Buck Regulator, 1-Channel 500mA Adjustable 12-Pin, DFN-EP-12
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RS Stock No.: 263-8979Brand: Renesas ElectronicsManufacturers Part No.: ISL85415FRZ

€ 1,749.30

€ 2.332 Each (In a Tube of 750) (ex VAT)

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750

Available in multiples of 750
750€ 2.332
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Renesas Electronics
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500mA
36 V
-
600 mV
3 V
-
Adjustable
-
1
12
-
DFN-EP-12
-
-
-
-
-
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-
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Renesas Electronics, ISL85415FRZ Synchronous Buck Regulator, 1-Channel 500mA Adjustable 12-Pin, DFN-EP-12
Renesas Electronics, ISL85415FRZ Synchronous Buck Regulator, 1-Channel 500mA Adjustable 12-Pin, DFN-EP-12
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Also available in industry standard packaging
RS Stock No.: 263-8980Brand: Renesas ElectronicsManufacturers Part No.: ISL85415FRZ

€ 16.60

€ 3.32 Each (In a Pack of 5) (ex VAT)

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5

Available in multiples of 5
5€ 3.32
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Renesas Electronics
-
500mA
36 V
-
600 mV
3 V
-
Adjustable
-
1
12
-
DFN-EP-12
-
-
-
-
-
-
-
-
-
STMicroelectronics, DCP3601CDMR Step Down DC-DC Converter, 1-Channel 1A 6-Pin, SOT23-6L
STMicroelectronics, DCP3601CDMR Step Down DC-DC Converter, 1-Channel 1A 6-Pin, SOT23-6L
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Also available in industry standard packaging
RS Stock No.: 309-407Brand: STMicroelectronicsManufacturers Part No.: DCP3601CDMR

€ 12.73

€ 1.273 Each (In a Pack of 10) (ex VAT)

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10

Available in multiples of 10
10€ 1.273
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STMicroelectronics
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1A
-
Buck Converter
-
3.3 V
-
-
-
1
6
-
SOT23-6L
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-
-
-
-
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-
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STMicroelectronics, DCP3601CMR Step Down DC-DC Converter, 1-Channel 1A 6-Pin, SOT23-6L
STMicroelectronics, DCP3601CMR Step Down DC-DC Converter, 1-Channel 1A 6-Pin, SOT23-6L
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Also available in industry standard packaging
RS Stock No.: 309-406Brand: STMicroelectronicsManufacturers Part No.: DCP3601CMR

€ 12.14

€ 1.214 Each (In a Pack of 10) (ex VAT)

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10

Available in multiples of 10
10€ 1.214
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STMicroelectronics
-
1A
-
Buck Converter
-
3.3 V
-
-
-
1
6
-
SOT23-6L
-
-
-
-
-
-
-
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STMicroelectronics, DCP3601NDMR Step Down DC-DC Converter, 1-Channel 1A 6-Pin, SOT23-6L
STMicroelectronics, DCP3601NDMR Step Down DC-DC Converter, 1-Channel 1A 6-Pin, SOT23-6L
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Also available in industry standard packaging
RS Stock No.: 309-410Brand: STMicroelectronicsManufacturers Part No.: DCP3601NDMR

€ 12.73

€ 1.273 Each (In a Pack of 10) (ex VAT)

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10

Available in multiples of 10
10€ 1.273
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STMicroelectronics
-
1A
-
Buck Converter
-
3.3 V
-
-
-
1
6
-
SOT23-6L
-
-
-
-
-
-
-
-
-
STMicroelectronics, DCP3601NMR Step Down DC-DC Converter, 1-Channel 1A 6-Pin, SOT23-6L
STMicroelectronics, DCP3601NMR Step Down DC-DC Converter, 1-Channel 1A 6-Pin, SOT23-6L
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Also available in industry standard packaging
RS Stock No.: 309-409Brand: STMicroelectronicsManufacturers Part No.: DCP3601NMR

€ 12.14

€ 1.214 Each (In a Pack of 10) (ex VAT)

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10

Available in multiples of 10
10€ 1.214
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STMicroelectronics
-
1A
-
Buck Converter
-
3.3 V
-
-
-
1
6
-
SOT23-6L
-
-
-
-
-
-
-
-
-
Texas Instruments, LM5164QDDATQ1 Sync Buck Converter, 1-Channel 1A Adjustable 8-Pin, SO PowerPAD
Texas Instruments, LM5164QDDATQ1 Sync Buck Converter, 1-Channel 1A Adjustable 8-Pin, SO PowerPAD
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Also available in industry standard packaging
RS Stock No.: 268-7541Brand: Texas InstrumentsManufacturers Part No.: LM5164QDDATQ1

€ 15.71

€ 7.854 Each (In a Pack of 2) (ex VAT)

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2

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2€ 7.854
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Texas Instruments
-
1A
100 V
Current Limit, Short Circuit Protection, Thermal Shutdown Protection
1.2 V
6 V
-
Adjustable
-
1
8
-
SO PowerPAD
-
-
-
-
-
-
-
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-
Texas Instruments, LM5164QDDATQ1 Sync Buck Converter, 1-Channel 1A Adjustable 8-Pin, SO PowerPAD
Texas Instruments, LM5164QDDATQ1 Sync Buck Converter, 1-Channel 1A Adjustable 8-Pin, SO PowerPAD
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RS Stock No.: 268-7540Brand: Texas InstrumentsManufacturers Part No.: LM5164QDDATQ1

€ 1,904.00

€ 7.616 Each (On a Reel of 250) (ex VAT)

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250

Available in multiples of 250
250€ 7.616
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Texas Instruments
-
1A
100 V
Current Limit, Short Circuit Protection, Thermal Shutdown Protection
1.2 V
6 V
-
Adjustable
-
1
8
-
SO PowerPAD
-
-
-
-
-
-
-
-
-
DiodesZetex, AL8860WT-7 Step-Down Switching Regulator 1A Adjustable 25-Pin, TSOT
DiodesZetex, AL8860WT-7 Step-Down Switching Regulator 1A Adjustable 25-Pin, TSOT
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Also available in industry standard packaging
RS Stock No.: 133-3338Brand: DiodesZetexManufacturers Part No.: AL8860WT-7

€ 16.66

€ 0.833 Each (In a Pack of 20) (ex VAT)

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20

Available in multiples of 20
20€ 0.833
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DiodesZetex
-
1A
-
Buck Converter
-
4.5 V
40 V
Adjustable
Surface Mount
-
25
1 MHz
TSOT
-
-
-40 °C
+105 °C
2.9 x 1.6 x 0.9mm
1.6mm
0.9mm
-
2.9mm
DiodesZetex, AP1509-33SG-13 DC-DC Converter, 1-Channel 2A 8-Pin, SOP
DiodesZetex, AP1509-33SG-13 DC-DC Converter, 1-Channel 2A 8-Pin, SOP
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Also available in industry standard packaging
RS Stock No.: 751-2929Brand: DiodesZetexManufacturers Part No.: AP1509-33SG-13

€ 11.96

€ 2.392 Each (In a Pack of 5) (ex VAT)

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5

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5€ 2.392
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DiodesZetex
-
2A
3.3 V
Buck Controller
-
4.5 V
22 V
Fixed
Surface Mount
1
8
150 kHz
SOP
-
-
-40 °C
+125 °C
4.95 X 3.95 X 1.5mm
3.95mm
1.5mm
76%
4.95mm
STMicroelectronics, ST1S03PUR Step-Down Switching Regulator Adjustable 6-Pin, DFN
STMicroelectronics, ST1S03PUR Step-Down Switching Regulator Adjustable 6-Pin, DFN
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Also available in industry standard packaging
RS Stock No.: 877-2848Brand: STMicroelectronicsManufacturers Part No.: ST1S03PUR

€ 17.14

€ 1.714 Each (In a Pack of 10) (ex VAT)

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10

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10€ 1.714
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STMicroelectronics
-
-
-
-
-
3 V
16 V
Adjustable
Surface Mount
-
6
1.8 MHz
DFN
0.06 %
0.003 %
-
+150 °C
3.1 x 3.1 x 0.95mm
3.1mm
0.95mm
-
3.1mm
Maxim Integrated, MAX20006EAFOB/VY+ Sync Buck Converter, 1-Channel 6A 17-Pin, FC2QFN
Maxim Integrated, MAX20006EAFOB/VY+ Sync Buck Converter, 1-Channel 6A 17-Pin, FC2QFN
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RS Stock No.: 214-9154Brand: Maxim IntegratedManufacturers Part No.: MAX20006EAFOB/VY+

€ 2,414.03

€ 5.748 Each (In a Tray of 420) (ex VAT)

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420

Available in multiples of 420
420€ 5.748
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Maxim Integrated
-
6A
5 V
Synchronous Buck Converter
36 V
3 V
-
Fixed
-
1
17
-
FC2QFN
-
-
-
-
-
-
-
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