DC/DC Converter
URF48_QB-75W(F/H)R3 Series
2019.04.25-A/3 Page 1 of 8
MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
75W isolated DC-DC converter
Wide input voltage and regulated single output
Patent Protection RoHS
Ultra-wide 4:1 input voltage range
High efficiency up to 93%
I/O isolation test voltage: 2250VDC
Input under-voltage protection, output short
circuit, over-current, over–voltage,
over-temperature protection
Operating ambient temperature range: -40℃
Five-sided metal shielded package
Meet UL62368, IEC62368, EN50155 standards
Industry standard ¼-Brick package and
URF48_QB-75W(F/H)R3 series of isolated 75W DC-DC converter products with a 4:1 input voltage range. They feature efficiencies of up to
93%, 2250VDC input to output isolation, operating ambient temperature of -40℃to +85℃, input under-voltage, output over-voltage, short
circuit, over-temperature and over-current protection. The products meet CLASS B of CISPR32/EN55032 EMI standards by adding the
recommended external components, and they are widely used in applications such as battery powered systems, industrial controls,
electricity, instrumentation, railway, communication and intelligent robotics.
Full Load
Efficiency (%)
Min./Typ.
Note:
①Use“F”suffix is for added aluminum baseplate and “H” suffix for heat sink mounting. We recommend to choose modules with a heat sink for enhanced heat
dissipation and applications with extreme temperature requirements;
②Exceeding the maximum input voltage may cause permanent damage.
Input Current (full load/no-load)
Surge Voltage (1sec. max.)
Input Under-voltage Protection
Ctrl pin open or pulled high (3.5-12VDC)
Ctrl pin pulled low to GND (0-1.2VDC)