DC Converter 3-35V to 1.2-30V Auto Step Up Down Module with Aluminum Shell QS-1212CBD-24W

Brand: QSKJ

Model:  QS-1212CBD-24W

Parameters:

• Module Properties: non-isolated buck-boost module

• Input voltage: DC 3~35V

• Output voltage: DC 1.25~30V (adjustable)

• Output Current: 2A (when 9~35V input and 12V output, if 5V output can achieve 3A)

• Input Current: 3.5A (MAX)

• Output power: natural cooling 18W (input voltage greater than 10V), if install heat sink can achieve 24W

• Output ripple: 20M bandwidth (for reference)

• Input 10-14V, output 12V 0.2A, ripple 50mV

• Operating Temperature: Industrial (-40°c to +85°c) (if ambient temperature exceeds 40 degrees, lower power use, or to enhance heat dissipation)

• Full load temperature rise: 45°c

• No-load current: Typical 10mA (10-14V switch 12V)

• Load regulation: ± 1%

• Voltage regulation: ± 0.5%

• Dynamic response speed: 5% 200uS

• Short circuit protection: Yes (10 seconds)

• Input Reverse Polarity Protection: None (Please Series diode at the input port.)

• Installation: can screw (diameter 3 mm), 2 fixing holes

• Connection: Welding, can be directly soldered to a PCB

Testing for reference:

• Input 4.2V, Output 12V, Output Max Current 0.7A

• Input 5.0V, Output 12V, Output Max Current 0.9A

• Input 8.2V, Output 12V, Output Max Current 1.6A

• Input 10V, Output 12V, Output Max Current 2A

• Input 12V, Output 12V, Output Max Current 2.2A

• Input 14V, Output 12V, Output Max Current 2.5A

• Input 24V, Output 12V, Output Max Current 3.2A

• Input 30V, Output 12V, Output Max Current 3.3A

Conversion Efficiency for reference:

• Input 3.7V, Output 5V, 0.5A, Efficiency 75%

• Input 5V, , Output 5V, 0.5A, Efficiency 78%

• Input 7.4V, Output 5V, 0.5A, Efficiency 80%

• Input 12V, Output 5V, 0.9A, Efficiency 80%

• Input 30V, Output 5V, 0.5A, Efficiency 80%

• Input 30V, Output 5V, , 2A, Efficiency 76%

• Input 10V, Output 12V, 1A, Efficiency 81%

• Input 14V, Output 12V, 1A, Efficiency 83%

• Input 24V, Output 12V, 1A, Efficiency 83%

• Input 24V, Output 12V, 2A, Efficiency 84%

Applications:

• Battery voltage regulator, 12V battery (10-14V) can output voltage at 12V, 24V battery output voltage at 24V.

• Solar charging regulator, it can stabilize voltage fluctuations in solar cells, and can give the battery charge, battery to avoid overshoot.

• In order to power your electronic devices, designed for wide voltage range.