Looking for reliable voltage regulation? Our Buck Converters are the perfect solution for stepping down voltage to a stable output. Whether you need a 400W buck converter, a 50V buck converter, or a buck converter 24V to 5V, we’ve got you covered. These DC-DC converters are ideal for powering microcontrollers, sensors, and other electronic components. Our step-up down modules offer flexibility for both step-up and step-down conversions. With efficient buck regulators and reliable performance, you can optimize power delivery for your projects. Shop now and find the perfect buck circuit for your next project!
Buck Converter
Showing 1–48 of 181 results
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Best Prices, Buck Converter
LM2596S DC-DC Buck Converter Power Supply
SKU: 11548- Input voltage: 3-40V
- Output voltage: 1.5-35V(Adjustable)
- Output current: Rated current is 2A, maximum 3A
- Switching Frequency: 150KHz
- Operating temperature:Industrial grade (-40 to +85 )
- Conversion efficiency: 92%(highest)
SKU: 11548 -
Best Prices, Buck Converter
Mini MP1584 DC-DC 3A Adjustable Buck Module
SKU: 1681309- Input Voltage: 4.5V – 28V
- Output Voltage: 0.8V – 20V
- Output Voltage Adjustment: On-board potentiometer
- Output Current: 1.8A (typical), 3.0A (max).
- Ceramic Capacitor Stable
- Internal Soft-Start
- Internally Set Current Limit without a Current Sensing Resistor
SKU: 1681309 -
Best Prices, Buck Converter
LM2596S with SMD LED DC-DC Step-Down Power Supply
SKU: 699581- Input voltage: 3-40V
- Output voltage: 1.5-35V(Adjustable)
- Output current: Rated current is 2A, maximum 3A
- Switching Frequency: 150KHz
- Operating temperature:Industrial grade (-40 to +85 )
- Conversion efficiency: 92%(highest)
SKU: 699581 -
Best Prices, Buck Converter
XL4015 5A DC-DC Buck Step Down Adjustable Power Supply Module
SKU: 1510171- Input voltage range: 4V-38V DC
- Output voltage range: 1.25V-36V DC adjustable.
- Output current: 0-5A.
- Output power: 75W.
- High efficiency up to 96%
- The built-in thermal shutdown function
- Built-in current limit function
- In-Built output short protection function
SKU: 1510171 -
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Best Prices, Buck Converter
AMS1117 3.3V Power Supply Module
SKU: 28373- Input: DC 4.5V – 12V (input voltage must be more than output voltage (more than 1V))
- Output: 3.3V, 800mA (load current cannot exceed 800ma)
- Onboard AMS1117 chip.
- Onboard power indicator to indicate power is turned on: Red LED.
- Small Compact Size, 4Pin Type, Breadboard Friendly.
- Dual-panel design, the layout is nice
SKU: 28373 -
Best Prices, Buck Converter
Mini 360 Step-Down Buck Converter Power Module
SKU: 790469- Module: Non-isolated step-down module (BUCK)
- Input voltage: DC 4.75V-23V
- Output voltage: DC 1.0V-17V (Adjustable, Output < Input)
- Rectification: Synchronous rectification
- Built-in 160°C thermal shutdown
- Output ripple: 30mV (no-load)
SKU: 790469 -
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Best Prices, Buck Converter
5A Constant Current / Voltage LED Drives Lithium Battery Charging Module
SKU: 699568- Input Voltage Range: 4-38V
- Output Voltage Range: High-end version 1.25V–36V, Low-end version 1.25V–30V, continuously adjustable
- Output current: adjustable, up to 5A
- Output power: up to 75W
- Working temperature :-40 ~ + 85 degrees
- Working frequency: 180KHz
SKU: 699568 -
Best Prices, Buck Converter
DC-DC 12V to 3.3V 5V 12V Power Module Multi Output Voltage Conversion
SKU: 44161- Input Voltage: 12V
- Connector: 5.5mm DC Jack
- Output power on/off switch
- Two-row multiple pin outputs, easy to use and connect
- Outputs
- 3.3V DC at 800mA maximum current
- 5.0V DC at 800mA maximum current
- 12V DC (the 12V output is directly connected to the input, i.e. with 12VDC input, this output will be 12VDC; with 9VDC input, this output will be 9VDC)
SKU: 44161 -
Best Prices, Buck Converter
4A DC-DC Step-down Adjustable Constant Voltage Module
SKU: 405535- 1. High-power LED driver.
- Input voltage Min- 7V
- Input voltage Max-40V
- Lithium battery(or lead accumulator) charge.
- Vehicle-mounted power supply.
- Low voltage system power supply.
- 6V, 12V, 14V, 24V battery charge.
- On-board laptop power supply.
- Regulated power supply.
- Low voltage power supply system
SKU: 405535 -
Best Prices, Buck Converter
DC to DC 6-18V to 5V USB Output Step Down Power Charger Buck Converter
SKU: 405611- Maximum Output Current: 3A MAX
- Conversion efficiency: can up to 97.5%
- Switch frequency: 500KHz
- Output Ripple: 10mV around (12V to 5V3A) 20M bandwidth
- Output indicator: Output voltage indicator is red
- Operating temperature: Industrial grade (-40 ° to + 85 °)
- Output overvoltage protection: Yes, input 1.5A fuse, output 5V have 300W TVS tube clamp protection.
- Flat copper inductor, improve conversion efficiency
- High-quality USB port
SKU: 405611 -
Best Prices, Buck Converter
AMS1117 5V Step-Down Power Supply Module
SKU: 28376- Input: DC 6.5V – 12V (input voltage must be more than output voltage (more than 1V))
- Output: 5.0V (+-0.05v error), 800mA (load current cannot exceed 800ma)
- Onboard AMS1117 chip.
- Onboard power indicator to indicate power is turned on: Red LED.
- Small Compact Size, 4Pin Type, Breadboard Friendly.
- Dual-panel design, the layout is nice
SKU: 28376 -
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Buck Converter
AMS1117-3.3 LDO 800MA DC 5V to 3.3V Step-Down Power Supply Module
SKU: 31179- Input Voltage: 4.5V to 15V
- Output Voltage: 3.3V to 5V
- Output Current: 800mA
- Onboard AMS1117 chip.
- Onboard power indicator to indicate power is turned on: Red LED.
- Output voltage interface, connection to facilitate the experimental.
- Small Compact Size, 3Pin Type, Breadboard Friendly.
SKU: 31179 -
Best Prices, Buck Converter
LM2596HVS DC-DC Buck Converter 4.5-50V to 3-40V Adjustable Step Down Power Module
Best Prices, Buck ConverterLM2596HVS DC-DC Buck Converter 4.5-50V to 3-40V Adjustable Step Down Power Module
SKU: 766328- Input voltage: 4.5-50V,
- Output voltage: (3-35V) continuously adjustable (recommended load debugging).
- Output current: rated current 2A, 3A maximum
- Output Power: 15W maximum
SKU: 766328 -
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Best Prices, Buck Converter
LM2596 2A Buck Step-down Power Converter Module DC 4 ~ 40 to 1.3-37V LED Voltmeter
Best Prices, Buck ConverterLM2596 2A Buck Step-down Power Converter Module DC 4 ~ 40 to 1.3-37V LED Voltmeter
SKU: 11553- Input Voltage(VDC): 4 ~ 40.
- Output Voltage(VDC): 1.3 ~ 37.
- Output Current: 2A Rated, ( 3A maximum with heat sink).
- Switching Frequency: 150 kHz.
- Input reverse polarity protection.
- Built-in output short protection function.
SKU: 11553 -
Best Prices, Buck Converter
DC-DC Step-Down Buck Converter Power Supply Module 24V 12V 9V to 5V 5A 25W Replace LM2596S
Best Prices, Buck ConverterDC-DC Step-Down Buck Converter Power Supply Module 24V 12V 9V to 5V 5A 25W Replace LM2596S
SKU: 395957- This DC-DC Step-Down Buck Converter Power Supply Module provide all the active functions for a step-down (buck) switching regulator, capable of driving a load up to 5A with excellent line and load regulation
- Simple High-Efficiency Step-Down (Buck) Regulator
- Mostly used for On-Card Switching Regulators
SKU: 395957 -
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Buck Converter
LM2596 HV DC-DC Buck Converter 4.5-40V to 3-35V Adjustable Step Down Module
SKU: 520422- Input voltage: 4.5-40V,
- Output voltage: (3-35V) continuously adjustable (recommended load debugging).
- Minimum pressure: 1.5V
- Output current: rated current 2A, 3A maximum
- Output Power: 15W maximum
SKU: 520422 -
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Buck Converter
DC-DC 3A 5V-12V 24V to 3.3V Step-down Power Supply Module
SKU: 1121294- Maximum Output Current: 3.3A MAX
- Conversion efficiency: can up to 97.5%
- Switch frequency: 500KHz
- Operating temperature: Industrial grade (-40 ° to + 85 °)
- Improve conversion efficiency
- High-quality USB port
SKU: 1121294 -
Buck Converter
XL7015 DC-DC Step Down Adjustable Power Supply Buck Module
SKU: 890247- Input voltage range: 5V-80V DC
- Output voltage range: 1.5V-20V DC adjustable.
- Output current: 0-0.8A.
- High efficiency up to 90%
- Built-in thermal shutdown function
- Built-in current limit function
- Built output short protection function
SKU: 890247 -
Buck Converter
Dual USB Output 9V / 12V / 24V / 36V Car Charger Switch 5V DC-DC Power Supply Module 3A Buck Regulator
Buck ConverterDual USB Output 9V / 12V / 24V / 36V Car Charger Switch 5V DC-DC Power Supply Module 3A Buck Regulator
SKU: 43741- Input : 6V-40V
- Output : 5V / 3A (MAX)
- Efficiency : 92% (MAX)
- Switching frequency : 150KHZ
- High efficiency and low ripple.
- With USB power indicator light.
- Maximum output 3A (at the same time with two mobile phones).
SKU: 43741 -
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Buck Converter
LM317 DC Linear Regulator, DC-DC 4.5~40V Turn 1.2~37V, Step Down Power Module, Adjustable
Buck ConverterLM317 DC Linear Regulator, DC-DC 4.5~40V Turn 1.2~37V, Step Down Power Module, Adjustable
SKU: 1121330- Output Current: 1.5A (minimum), 2.2A (typ)
- Input and output voltage difference (VI-VO): 40Vdc (max)
- Adjustable output voltage range: 1.2 ~ 37V
- Operating temperature: -55 to +150
- Output Current: 1.5A
- Input voltage: 4.2 ~ 40 V
SKU: 1121330 -
Buck Converter
DC-DC 3A Input: 11V-24V to Output 10V Step-Down Power Supply Module
SKU: 1121296- Input: 11 to 24V DC
- Output: 10V
- Maximum Input/Output Current: 3A
- Conversion efficiency: can up to 97.5%
- Switch frequency: 500KHz
- Operating temperature: Industrial grade (-40 ° to + 85 °)
- Improve conversion efficiency
SKU: 1121296 -
Buck Converter
XL4015 5A Step Down Adjustable Power Supply with LED Voltmeter
SKU: 12253- Better than 2596, easy to 4A 50W, up to 75W adding the heat sink.
- Over-temperature protection: Yes (shutdown output automatically after over temperature).
- Input voltage: 4V ~ 38V (not more than 38V).
- Output voltage: 1.25V ~ 36V (adjustable).
- Output current: 0A ~ 5A (recommended below 4.5A).
SKU: 12253 -
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Buck Converter
XH-M404 DC 4-40V 8A Voltage Regulator Module Digital PWM Adjustabl DC-DC Step Down Voltage Regulator DC XL4016E1
Buck ConverterXH-M404 DC 4-40V 8A Voltage Regulator Module Digital PWM Adjustabl DC-DC Step Down Voltage Regulator DC XL4016E1
SKU: 815895- Input voltage: 4-40VDC,
- Output voltage: (1.25-36V) continuously adjustable (recommended load debugging).
- Efficiency: 94%
- Onboard 7 segment display to monitor the voltage.
- Output current: 8A(max)
- Output Power: 200W (max)
SKU: 815895 -
Buck Converter
DC-DC 4.5-40V To 5V 2A USB Charger Step down Converter Voltmeter Module
SKU: 43776- Input voltage: DC 4.5 ~ 40V.
- Output voltage: 5V (when the input voltage is between 6.5V ~ 40V).
- Output current: 2A.
- The voltmeter has an automatic calibration function.
- With reverse connection protection.
- With overheat protection and short circuit protection.
SKU: 43776 -
Buck Converter
AMS1117-5.0 LDO 800MA DC 5V to 3.3V Step-Down Power Supply Module
SKU: R100758- Output Voltage: 3.3V to 5V
- Output Current: 800mA
- Onboard AMS1117 chip.
- Onboard power indicator to indicate power is turned on: Red LED.
- Output voltage interface, connection to facilitate the experimental.
- Small Compact Size, 3Pin Type, Breadboard Friendly.
SKU: R100758 -
Buck Converter
48V36V24V to 19V12V9V5V3V Adjustable Synchronous Stepdown Module / Car Charging Power Supply
Buck Converter48V36V24V to 19V12V9V5V3V Adjustable Synchronous Stepdown Module / Car Charging Power Supply
SKU: 975695- Input Voltage: 6.5V-60V
- Output Voltage: 1.25-30V
- Adjustable Efficiency: 97% (MAX)
- Load capacity: large 5A
- Wiring method: the terminal is free of soldering, IN is input, OUT is output.
SKU: 975695 -
