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-37% Adjustable DC Buck Boost Converter DC 5V-30V to 0.5V-30V Module CC CV LCD Power Supply Voltage Regulator

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Input voltage: DC 5.0V-30V (with LVP when voltage lower than 4.7V)

Output voltage: DC0.5V-30V

Output current: 0-4.0A

Output power: 35W with natural cooling, can reach 50W if add a cooling fan

Voltage accuracy: ±1% + 1 digit

Voltage resolution: 0.01V, can be calibrated manually

Current accuracy: ±1.5% + 3 digits

Current resolution: 0.001A, can be calibrated manually

Conversion efficiency: about 88%

Soft start: Yes

Working frequency: 180kHz

Display: LCD display

Size: 78.8*42.9*25mm/3.1*1.69*0.98 inch


PARAMETER --- input voltage DC 5.0V-30V; output voltage DC 0.5V-30V; output current 0-4.0A; output power 35W with natural cooling.

APPLICATION --- as normal buck boost converter with over-current protection function; as battery charger; as high-power LED CC driver module, etc.

PROTECTION --- input reverse connection; output short-circuit; output anti-backflow; over-voltage; over-current; over-power; under-voltage; over-temperature.

LCD DISPLAY --- clear LCD screen displays voltage, current, power, capacity, energy and time (switched by button).

OTHER FEATURES --- with CC CV mode; with buttons to be easily operated.


Input reverse connection protection: Yes

Output short circuit protection: Yes

Output anti-backflow protection: Yes, don't need to add a anti-backflow diode when used for charging battery

Over-voltage protection (OVP): Yes

Over-current protection (OCP): Yes

Over-power protection (OPP): Yes

Low-voltage protection (LVP): Yes, 4.7V

Over- temperature protection (OTP): Yes, 100℃


1. UP: short press to switch display input/output voltage; long press to enter calibration interface.

2. DOWN: short press to switch display current/power/capacity/energy/time

3. SET: long press to enter setting interface

4. ON/OFF: short press to turn on/off output; in the voltage current displaying interface, long press to set the power on output status (-ON-: power on output default on, -OFF-: power on output default off); in the capacity/energy/time displaying interface, long press to clear the corresponding data.

Package Included:

1x Buck Boost Module

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Adjustable DC Buck Boost Converter DC 5V-30V to 0.5V-30V Module CC CV LCD Power Supply Voltage Regulator

  • Brand: Drok
  • Product Code: 200480
  • Availability: In Stock
  • $16.99
  • $10.78
  • Bulk Buy Discounts. Buy more please contact us