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acleds28/03/2019
Very good DC-DC converter
I found model number and circuit as h11068A
The speciifications is below.
DC-DC Boost Converter
8~32V to 45~390V High Voltage Charging Booster Module 40W
Input Voltage: 8~32V input (the default is 10~32V input.)
Input Current: 5A (Max)
Output Voltage: +45~390V continuously adjustable
Operating frequency: 75 KHz
Output Current: 0.2A Max (the higher the output voltage, output current is smaller)
Output Power: 40W (Peak 70W)
Working Temperature: -40 ~ + 85 degrees
Conversion efficiency: up to 88%
Short circuit protection: Yes.
Over current protection: Yes.((Input current exceeds 4.5A)
Over voltage protection: Yes. (Output voltage exceeds 410V)
Input reverse polarity protection: Yes
Size(L*W*H):60 x 50 x 20 mm
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