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 with Heatsink)
- 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.
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