Brand: QSKJ
Model: QS-7812-0.5A
Parameters:
- Module Properties: Non-isolated step-down module (buck) 
- Rectifier mode: Synchronous rectification 
- Input voltage: 13-24V/13-32V 
- Output voltage: 12V (precision ± 1%) 
- Output power: 6W 
- Recommended input and output capacitors: input capacitance 10UF (ceramics), the output capacitor 22UF (ceramic) 
- Maximum capacitive load: 1000UF 
- Output current: 0.5A 
- Conversion efficiency: input voltage 6.5 V 94% (highest), input voltage 20V 85% (minimum) 
- Operating temperature: industrial - grade (-40 ° c to + 85 ° c) (85 ° c output current 0.5 A) 
- The maximum case temperature at working: 100 ° c 
- Full load temperature rise: 50 ° c 
- Load regulation: ± 0.5 % 
- Voltage regulation: ± 0.5 % 
- Output ripple: 0.5A load current (typical application circuit, the input of ceramic capacitors 10UF, output ceramic capacitors 22UF) 
- Input 14V output ripple 60mV 
- Input 24V output ripple 100mV 
- 20V input ripple output 45mV 
- Bandwidth: 20M 
- If you ripple to lower the need, please install LC filter at the output 
- Dynamic response speed: 5% 200uS 
- Short circuit protection: current limit (3A), self-recovery 
- Over-temperature protection: 150 ° c 
- Static current: 7-20 mA (the higher the input voltage, the higher of the static current) 
- Input reverse polarity protection: None 
- Wiring: Welding, the SIP-3 package, compatible with the LM7805. 

Note:
- Integrated within the filter capacitor, even without to external capacitor, the item can work properly. 
- In order to lower the output ripple, please install filter capacitor at the input and output port.