DC-DC Converter Module 3-35V to 1.2-30V Auto Step Up Down Module with Case QS-1212CBD-12W

SKU: 1941724

4.11 4.11 Piece 4.11 USD

¥ 30.00

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Brand: QSKJ

Model:  QS-1212CBD-12W


  • Module Properties: non-isolated buck-boost module

  • Input voltage :3-35V

  • Output voltage: 1.25-30V (adjustable)

  • Output Current: 1A (when 9-35V input and 12V output, if 5V output can achieve 1.5-2A)

  • Input Current: 2A (MAX)

  • Output power: natural cooling 12W (input voltage greater than 10V), if install heat sink can achieve 20W

  • 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.)

  • Case Color: Silver or Black, will be sent random

The following are not considered heat dissipation, output current limit (current small to large test), when used Please left margin.

  • Input 12V Output 4.2V maximum output current 0.4A

  • Input 12V Output 5.0V maximum output current 0.5A

  • Input 8.2V output 12V maximum current output 1A

  • Input 10V Output 12V maximum output current 1.2A

  • Input 12V Output 12V maximum output current 1.3A

  • Input 14V Output 12V maximum output current 1.5A

  • Input 24V Output 12V maximum output current 1.7A

  • Input 30V Output 12V maximum output current 1.8A

Conversion Efficiency:

  • Input3.7V Output5V 0.5A efficiency 75%

  • Input5V Output5V 0.5A efficiency 78%

  • Input7.4V Output5V 0.5A efficiency 80%

  • Input12V Output5V 0.9A efficiency 80%

  • Input30V Output5V 0.5A efficiency 80%

  • Input30V Output5V 2A efficiency 76%

  • Input10V Output12V 1A efficiency 81%

  • Input14V Output12V 1A efficiency 83%

  • Input24V Output12V 1A efficiency 83%

  • Input24V Output12V 2A efficiency 84%


  • 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.