Brand: QSKJ
Model: QS-1212CBDE-20W
Features:
New original XLSEMI chip, to prevent counterfeiting, disassemble chip
Imported chip electrolytic capacitors, not peer-made domestic capacitors.
Up to 400Khz operating frequency, and LC filter circuit, the output ripple is very low.
Imported TDK inductance, the heat and interference to a minimum.
Input and output of three MLCC multilayer ceramic capacitors, anti-jamming to enhance stability.
PCB using the A-class board material, to prevent cardboard, garbage board.
Built-in MOSFET, with the LM2577 built-in transistor say goodbye, can reach 94% of the high efficiency.
Increase the enable port, you can control the boost circuit is working.
QS-1212CBDE-20W power supply module with enable port
(Please click here for heat sink connection
Size: 49 (L) * 23.4 (W) * 11.4 (H) mm (without potentiometer)
The following parameters are still in the adjustment, the specific parameters, please consult
According to customer requirements, QSKJ also introduced XL6009 program, high cost. QSKJ produced ~ to create quality.
Parameters:
Modular nature: non-isolated step-up and down module
Input voltage: 5-32VOutput current: 1.5A (MAX)
Input current: 4A (MAX)
Output power: natural cooling 20W, plus heat sink 25W (MAX) the actual power
Maximum output power = input voltage * 4A * conversion efficiency
Conversion efficiency: Measured common voltage and current efficiency (below for reference only)
Output Ripple: Input 12V Output 24 0.5A Ripple 30MV 20M Bandwidth (for reference only)
Operating temperature: industrial (-40 ℃ to +85 ℃) (ambient temperature exceeds 40 degrees, please reduce the power to use, or strengthen the heat)
Full load temperature rise: 45 ℃
Working frequency: 400khz
No-load current: typical 15mA (5V to 12V)
Load regulation: ± 0.5%
Voltage regulation: ± 0.5%
Dynamic response speed: 5% 200uS
Enable control port: Yes, high level 1.4V-VIN (ON), low level 0-0.8V (OFF), default high level
Short circuit protection: None (Please input fuse or protective circuit at input)
Input Reverse Protection: None, please tie in with our reverse protection board or in the input series diode.
Installation: can be screwed (fixed hole 3 mm), 2 fixed holes
Wiring method: welding, plus the pin can be directly welded on the PCB
Output voltage: continuously adjustable (1.2-35V) ; fixed output (1.2-35V between any choice), please tell the treasurer when buying; If you need higher voltage please contact me directly.
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