QSKJ DC-DC Adjustable Step-Down-Up Buck-Boost Converter XL6019 20W

An adjustable 20W step-down and step-up, buck and boost converter. Can be used to increase or decrease the voltage of, for example, a battery or other voltage source.

Specifications:

• Module type: Non-isolated step-down/up (buck/boost)
• Input voltage: 5V-32V DC*
• Maximum input current: 4A
• Output Voltage: 1.2-35V DC* (adjustable with the potentiometer**)
• Maximum output current: 1.5A
• Output power: 20W
• Switching frequency: 180KHz
• Conversion efficiency: 94% (highest)
• Working temperature: -40°C to +85°C
• Safety features:
  • Short circuit protection: No (a fuse or protection circuit can be used if necessary)
  • Reverse polarity protection: No (pay close attention to the + and - when connecting the module)
  • Thermal protection: Yes (output is automatically turned off in case of overheating)
• Enable pin: 1.4V or higher turns the converter on, between 0 and 0.8V turns the converter off
• Dimensions: 49 x 23.4 x 11.4mm

The inputs and outputs are indicated on the PCB of the DC-DC converter. IN+ and IN- is the input, OUT+ and OUT- is the output.

*Note: For long-term use, we recommend using a maximum input and output voltage of 25V DC to increase the lifetime of the capacitors.

**Note: The potentiometer is multiple turns. It may take a while before the desired setting is achieved. The potentiometer can turn about 25 times from start to finish.