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
RS Stock No.: 332-634Brand: MicrochipManufacturers Part No.: MIC2129T-E/2FW

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Microchip
-
-
100 V
Step Down
4.5 V
-
-
Current, Voltage
-
1
24
-
VQFN
-
-
-
-
-
-
-
-
-

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Renesas Electronics
500mA
-
36 V
-
600 mV
3 V
-
Adjustable
-
1
12
-
DFN-EP-12
-
-
-
-
-
-
-
-
-

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Renesas Electronics
500mA
-
36 V
-
600 mV
3 V
-
Adjustable
-
1
12
-
DFN-EP-12
-
-
-
-
-
-
-
-
-

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STMicroelectronics
1A
-
-
Buck Converter
-
3.3 V
-
-
-
1
6
-
SOT23-6L
-
-
-
-
-
-
-
-
-
STMicroelectronics, DCP3601CMR Step Down DC-DC Converter, 1-Channel 1A 6-Pin, SOT23-6L
RS Stock No.: 309-406Brand: STMicroelectronicsManufacturers Part No.: DCP3601CMR

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STMicroelectronics
1A
-
-
Buck Converter
-
3.3 V
-
-
-
1
6
-
SOT23-6L
-
-
-
-
-
-
-
-
-
STMicroelectronics, DCP3601NDMR Step Down DC-DC Converter, 1-Channel 1A 6-Pin, SOT23-6L
RS Stock No.: 309-410Brand: STMicroelectronicsManufacturers Part No.: DCP3601NDMR

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STMicroelectronics
1A
-
-
Buck Converter
-
3.3 V
-
-
-
1
6
-
SOT23-6L
-
-
-
-
-
-
-
-
-

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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
RS Stock No.: 268-7540Brand: Texas InstrumentsManufacturers Part No.: LM5164QDDATQ1

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

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DiodesZetex
2A
-
3.3 V
Buck Controller
-
4.5 V
22 V
Fixed
Surface Mount
1
8
150 kHz
SOP
-
-
4.95 X 3.95 X 1.5mm
76%
3.95mm
-40 °C
+125 °C
1.5mm
4.95mm

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STMicroelectronics
-
-
-
-
-
3 V
16 V
Adjustable
Surface Mount
-
6
1.8 MHz
DFN
0.06 %
0.003 %
3.1 x 3.1 x 0.95mm
-
3.1mm
-
+150 °C
0.95mm
3.1mm

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DiodesZetex
1A
-
50 V
Buck Controller
-0.3 V
8 V
48 V
Adjustable
Surface Mount
2
8
600 kHz
SOIC
-
-
4.95 x 3.95 x 1.45mm
92%
3.95mm
-40 °C
+105 °C
1.45mm
4.95mm

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Texas Instruments
3A
-
6 V
Buck
0.9 V
3 V
17 V
Adjustable
Surface Mount
1
16
2.5 MHz
QFN
0.02 %/V
0.05 %/A
3.15 x 3.15 x 0.95mm
-
3.15mm
-40 °C
+85 °C
0.95mm
3.15mm

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Texas Instruments
3A
-
-
Buck Controller
0.8 V
3.5 V
28 V
Adjustable
Surface Mount
1
8
684 kHz
SOIC
-
-
4.9 x 3.91 x 1.58mm
-
3.91mm
-40 °C
+150 °C
1.58mm
4.9mm

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Microchip
1.2A
-
24 V
Step Down
2 V
4.4 V
50 V
Adjustable
Surface Mount
1
6
550 kHz
SOT-23
0.1 %/V
0.35 %
3.1 x 1.8 x 1.3mm
-
1.8mm
-40 °C
+125 °C
1.3mm
3.1mm

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MaxLinear
1A
-
5 V
-
0.6 V
2.5 V
5.5 V
-
Surface Mount
1
5
1500 kHz
SOT-23
-
-
2.9 x 1.6 x 1.3mm
-
1.6mm
-40 °C
+85 °C
1.3mm
2.9mm
STMicroelectronics, L6981NDRStep-Down Switching Regulator, 1-Channel 1.5A Adjustable 8-Pin, SO8
RS Stock No.: 216-7850Brand: STMicroelectronicsManufacturers Part No.: L6981NDR

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STMicroelectronics
1.5A
-
8 V
Buck
-0.3 V
3.5 V
-
Adjustable
-
1
8
-
SO8
-
-
-
-
-
-
-
-
-

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DiodesZetex
1.2A
-
15 V
Buck Controller
0.81 V
4.75 V
24 V
Adjustable
Surface Mount
1
3
1.4 MHz
SOT-26
-
-
3.1 x 1.7 x 1.3mm
90%
1.7mm
-25 °C
+85 °C
1.3mm
3.1mm

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onsemi
10A
-
10 V
Buck Controller
1.1 V
8 V
19 V
Adjustable
Surface Mount
1
32
3 MHz
QFN
0.05 %
-
5 x 5 x 0.95mm
-
5mm
-40 °C
+100 °C
0.95mm
5mm

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