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

SKU: 1941730

5.41 4.87 Piece 4.87 USD

¥ 38.00

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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.