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20W Adjustable Buck w/ Digital Display
  • 20W Adjustable Buck w/ Digital Display
  • 20W Adjustable Buck w/ Digital Display
20W Adjustable Buck w/ Digital Display

20W Adjustable Buck w/ Digital Display

2.990 Ft
Taxes included.

Compact LM2596 step-down module with a built-in voltmeter. Set output via the onboard button, see live voltage on the display. Great for bench rigs, vehicle/24 V → 5 V rails, and DIY supplies.

Highlights

  • Buck: 4–40 V in → 1.25–37 V out

  • Up to 3 A (20 W max; thermals/layout dependent)

  • LED digital display (live output voltage) + self-calibration

  • Built-in OCP / OTP protections

  • Simple 4-pad wiring (IN+/IN−, OUT+/OUT−)

Specs

Property Value
Topology Non-isolated buck (LM2596)
Input Voltage 4…40 V DC
Output Voltage 1.25…37 V DC (adjustable)
Max Output Current 3 A
Max Output Power 20 W
Efficiency up to ~88 % (ΔV/load-dep.)
Display 3-digit LED, shows Vout; user calibration supported
Protections Over-current (shutoff), over-temperature
Board Size 66 × 36 mm
Weight ~23 g (typ.)

Pinout

IN+ IN− OUT+ OUT−
(Button: short-press adjust / long-press enters setting; exact UI may vary by revision.)

What’s in the Pack

  • 1× DFR0379 buck module

Specifications

Product Name 20W Adjustable Buck w/ Digital Display
Manufacturer DFROBOT

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