These step-down (Buck) converters are a perfect way to decrease a DC voltage to something suitable for your project's needs.
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  1. DC-DC Adjustable Step-down Module 5A 75W
    Rating:
    99% of 100
    SKU: CE07271 Brand: Core Electronics Guides (1)
    DC-DC Adjustable Step Down Module 5A 75W XL4015
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    101 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  2. Adjustable Switching Power Supply Module IN 4V-35V OUT 1.5V-30V LM2596S Step-Down Converter
    Rating:
    99% of 100
    SKU: CE05572 Brand: Core Electronics
    A versatile power supply DC-DC converter module that offers a wide range for both input voltage (4V-35V) and output voltage (1.23V-30V). Tabs on each side allow for the input / output leads to be easily soldered on.
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    201 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  3. DC-DC Multi-output Buck Converter (3.3V/5V/9V/12V)
    Rating:
    100% of 100
    SKU: DFR1015 Brand: DFRobot
    This DC-DC Step Down Voltage Converter steps down voltage from 7.5V~30V to 3.3V/5V/9V/12V(default to 5V), which can be selected by short-circuiting the...
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    42 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  4. 12V, 4.5A Step-Down Voltage Regulator D36V50F12
    Rating:
    93% of 100
    SKU: POLOLU-4095 Brand: Pololu
    This powerful synchronous switching step-down (or buck) regulator takes an input voltage of up to 50 V and efficiently reduces it to 12 V. The board...
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    3 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  5. DC-DC Buck Converter 7-24V to 5V 4A
    Rating:
    100% of 100
    SKU: DFR0831 Brand: DFRobot
    This is a 20W DC-DC buck converter power module with 7~24V input and 5V/4A output(Max). The high conversion efficiency and on-board 6 output ports make it suitable...
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    28 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  6. 5V 3A Dual USB Step Down Buck Converter Module
    Rating:
    100% of 100
    SKU: DFR0884 Brand: DFRobot
    This small 8~32V to 5V 3A dual USB power step down converter supports all 5V main controllers, applicable to demanding occasions like smart home, small...
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    12 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  7. DC-DC Buck-Mode Power Module (8~28V to 5V 3A)
    Rating:
    100% of 100
    SKU: DFR0571 Brand: DFRobot
    This is a DC-DC buck-mode power module, with input voltage range 8V~28V and fixed output voltage/current 5V/3A. Its work frequency can reach to 0.5MHz. The module...
    - +

    18 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  8. Pololu 5V, 500mA Step-Down Voltage Regulator D24V5F5
    Rating:
    100% of 100
    SKU: POLOLU-2843 Brand: Pololu
    The compact (0.4″ × 0.5″) D24V5F5 synchronous buck voltage regulator takes an input voltage of up to 36 V and efficiently reduces it to 5 V while allowing for a maximum output current of 500 mA. This regulator offers typical efficiencies between 85% and 90% and has a very low dropout, so it can be used with input voltages as low as a few hundred millivolts above 5 V. The pins have a 0.1″ spacing, making this board compatible with standard solderless breadboards and perfboards.
    $10.05 AUD, inc GST
    As low as $9.35 AUD, inc GST
    - +

    12 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  9. MPM3610 5V Buck Converter Breakout - 21V In 5V Out at 1.2A
    Rating:
    100% of 100
    SKU: ADA4739 Brand: Adafruit
    This little buck converter based on the MPM3610 is a marvel, taking up to 21V input and providing a 5V output with up to 1.2A current. It's great for supplying power to popular 5V voltage circuits from a range of battery or power options. This chip provides up to 1.2 Amp load current across the entire input voltage range of 6V to 21V. The high voltage range is what sets this buck converter apart from most!
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    8 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  10. Pololu 5V, 5A Step-Down Voltage Regulator D24V50F5
    Rating:
    100% of 100
    SKU: POLOLU-2851 Brand: Pololu
    This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 5 V. The board measures only 0.7″ × 0.8″, but it allows a typical continuous output current of up to 5 A. Typical efficiencies of 85% to 95% make this regulator well suited for high-power applications like powering motors or servos. High efficiencies are maintained at light loads by dynamically changing the switching frequency, and an optional shutdown pin enables a low-power state with a current draw of a few hundred microamps.
    - +

    6 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  11. Pololu 5V, 1A Step-Down Voltage Regulator D24V10F5
    Rating:
    100% of 100
    SKU: POLOLU-2831 Brand: Pololu
    The compact (0.5″ × 0.7″) D24V10F5 synchronous buck voltage regulator takes an input voltage of up to 36 V and efficiently reduces it to 5 V while allowing for a maximum output current of 1 A.
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    6 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  12. Pololu 3.3V, 500mA Step-Down Voltage Regulator D24V5F3
    Rating:
    100% of 100
    SKU: POLOLU-2842 Brand: Pololu
    The compact (0.4″ × 0.5″) D24V5F3 synchronous buck voltage regulator takes an input voltage of up to 36 V and efficiently reduces it to 3.3 V while allowing for a maximum output current of 500 mA. This regulator offers typical efficiencies between 80% and 90% and has a very low dropout, so it can be used with input voltages as low as a few hundred millivolts above 3.3 V. The pins have a 0.1″ spacing, making this board compatible with standard solderless breadboards and perfboards.
    $10.05 AUD, inc GST
    As low as $9.35 AUD, inc GST
    - +

    3 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  13. AP3429A 3.3V Buck Converter Breakout - 3.3V Output 1.2A Max
    SKU: ADA4711 Brand: Adafruit
    This little buck converter based on the AP3429A is super handy, taking up to 5.5V input and providing a 3.3V output with up to 1.2A current. It's great for supplying power to popular 3.3V voltage circuits from a range of battery or power options. This chip provides up to 1.2 Amp load current across the entire input voltage range of 3.4 to 5.5V. It's not a huge range but does cover LiPoly batteries, 3 alkalines, and USB power.
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    2 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  14. DC-DC Buck-Mode Power Module (5.5~28V to 3.3V 3A)
    Rating:
    100% of 100
    SKU: DFR0570 Brand: DFRobot
    This is a DC-DC buck-mode power module, with input voltage range 5.5~28V and fixed output voltage/current 3.3V/3A. Its work frequency can reach to 0.5MHz. The module...
    - +

    5 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  15. Pololu 5V, 9A Step-Down Voltage Regulator D24V90F5
    Rating:
    100% of 100
    SKU: POLOLU-2866 Brand: Pololu
    This synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 5 V while allowing a typical continuous output current of up to 9 A. Typical efficiencies of 80% to 95% make this regulator well suited for higher-power applications like powering motors or servos, while high efficiencies are maintained at light loads by dynamically changing the switching frequency, and an optional shutdown pin enables a low-power state with a current draw of a few hundred microamps. The regulator’s output voltage setting can also be lowered by adding an external resistor.
    - +

    10 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  16. Pololu 5V, 600mA Step-Down Voltage Regulator D24V6F5
    Rating:
    100% of 100
    SKU: POLOLU-2107 Brand: Pololu
    The compact (0.4″ × 0.5″) D24V6F5 switching step-down (or buck) voltage regulator takes an input voltage between 7 V and 42 V and efficiently reduces it to 5 V while allowing for a maximum output current of 600 mA. The pins have a 0.1″ spacing, making this board compatible with standard solderless breadboards and perfboards.
    - +

    3 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  17. Buck Converter - 6-20V to 5V/3A
    SKU: COM-18375 Brand: Sparkfun
    This is a high grade DC Buck converter that inputs 6 to 12V and outputs 5V up to 3A or 15W. With good thermal performance and protection, this DC block is...
    - +

    5 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  18. Pololu 5V, 2.5A Step-Down Voltage Regulator D24V25F5
    Rating:
    100% of 100
    SKU: POLOLU-2850 Brand: Pololu
    This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 5 V. The board measures only 0.7″ × 0.7″, but it allows a typical continuous output current of up to 2.5 A. Typical efficiencies of 85% to 95% make this regulator well suited for powering moderate loads like sensors or small motors. High efficiencies are maintained at light loads by dynamically changing the switching frequency, and an optional shutdown pin enables a low-power state with a current draw of a few hundred microamps.
    - +

    2 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  19. Pololu 5V, 3.2A Step-Down Voltage Regulator D36V28F5
    Rating:
    100% of 100
    SKU: POLOLU-3782 Brand: Pololu
    This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 50 V and efficiently reduces it to 5 V. The board measures only 0.7″ × 0.8″ yet delivers typical maximum continuous output currents between 2.5 A and 4 A, depending on the input voltage, which makes it well suited for powering moderate loads like sensors or small motors
    - +

    5 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  20. Pololu 12V, 2.4A Step-Down Voltage Regulator D36V28F12
    Rating:
    100% of 100
    SKU: POLOLU-3786 Brand: Pololu
    This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 50 V and efficiently reduces it to 12 V
    - +

    1 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  21. Pololu 5V, 600mA Step-Down Voltage Regulator D36V6F5
    Rating:
    100% of 100
    SKU: POLOLU-3792 Brand: Pololu
    This compact (0.4″ × 0.5″) switching step-down (or buck) voltage regulator takes input voltages up to 50 V and efficiently reduces them to 5 V while allowing for a maximum output current of 600 mA. It has a very low dropout, so it can be used with input voltages that are within a few hundred millivolts of its output.
    - +

    1 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  22. Pololu 5V, 5.5A Step-Down Voltage Regulator D36V50F5
    Rating:
    100% of 100
    SKU: POLOLU-4091 Brand: Pololu
    This powerful synchronous switching step-down (or buck) regulator takes an input voltage of up to 50 V and efficiently reduces it to 5 V.
    - +

    5 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  23. Pololu 6V, 5.5A Step-Down Voltage Regulator D36V50F6
    SKU: POLOLU-4092 Brand: Pololu
    This powerful synchronous switching step-down (or buck) regulator takes an input voltage of up to 50 V and efficiently reduces it to 6 V
    - +

    1 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  24. SparkFun BabyBuck Regulator Breakout - 3.3V (AP63203)
    SKU: COM-18357 Brand: Sparkfun

    Featuring the AP63203, this baby breakout board takes advantage of a 2A synchronous buck converter that has a wide input voltage range of 3.8V to 32V...

     

     

    - +

    3 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
  25. Pololu 12V, 500mA Step-Down Voltage Regulator D24V5F12
    Rating:
    100% of 100
    SKU: POLOLU-2846 Brand: Pololu
    The compact (0.4″ × 0.5″) D24V5F12 synchronous buck voltage regulator takes an input voltage of up to 36 V and efficiently reduces it to 12 V while allowing for a maximum output current of 500 mA. This regulator offers typical efficiencies between 85% and 93% and has a very low dropout, so it can be used with input voltages as low as a few hundred millivolts above 12 V. The pins have a 0.1″ spacing, making this board compatible with standard solderless breadboards and perfboards.
    $10.05 AUD, inc GST
    As low as $9.35 AUD, inc GST
    - +

    2 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Dec 24th
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