250W 10A DC-DC Step-up Boost Converter Constant C/V 5-48V to 10-50V Power:
Input voltage: 5V ~ 48V DC
The output voltage : 10V ~ 50-V DC Adjustable
Input Current : 10A(Max), Needs cooling Above 8A
Output Current: 0.2 ~ 8A Adjustable
Max Power: 250W
No load Current: 10ma (nominal)
Switching frequency: 150KHz
Efficiency: Up to 95% (Depend on Input/Output Voltage & Current)
Size :70mm * 36mm * 13mm (Length*Width*Height)

Features:
This is a boost step-up converter. Out put current and Voltage adjustable with the RV1 & RV2.
Maximum output current is 8A. Needs a cooling over 5A.
Switching regulator (PWM) chip TL494C.

Schematic Diagram:

Module on MCPCB:

Applications:
1. DIY a power supply, (Ex: 12V input and output 12-50V adjustable).
2. Power supply for your electronic device.
3. Car Battery to power your laptop, PDA or for variety of digital products.
4. Solar panel Battery Charger regulator.
6. Lithium battery Charger.
7. Driving high-power LEDs.