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.
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