Brand: QSKJ
Model:  QS-1212CBD-12W
Features:
- 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% 
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. 
