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Isolated Wide Input Range 15-Watt DC/DC Converters (UEI15 Series) | Murata-PS

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Isolated Wide Input Range 15-Watt DC/DC Converters | Murata-PS

Wide range 4:1 inputs on the 0.96" x 1.1" x 0.32" converter are either 9 to 36 Volts DC (Q12 models) or 18 to 75 Volts DC (Q48 models), ideal for battery powered and telecom equipment. The industry standard pinout fits larger 1" x 2" converters. Fixed output voltages from 3.3 VDC to 15 VDC are regulated to within ±0.2% or less and may be trimmed within ±10% of nominal output.

The UEI 15W series includes full magnetic and optical isolation up to 2250 Volts DC (basic insulation). For connection to digital systems, the outputs offer fast settling to current step loads and tolerance of higher capacitive loads. Excellent ripple and noise specifications assure compatibility to circuits using CPU’s, ASIC’s, programmable logic and FPGA’s. For systems requiring controlled startup/shutdown, an external switch, transistor or digital logic may be used to activate the remote On/Off control.

A wealth of self-protection features avoid both converter and external circuit problems. These include input under voltage lockout and over temperature shutdown. The outputs current limit using the “hiccup” auto restart technique and the outputs may be short-circuited indefinitely. Additional features include output over voltage and reverse conduction elimination. The high efficiency offers minimal heat buildup and “no fan” operation.

Features & Benefits:

  • Small footprint DC/DC converter, ideal for high current applications
  • Industry standard 0.96" x 1.1" X 0.32" open frame package and pinout
  • Wide range input voltages 9-36 and 18-75 Vdc
  • Assembly and attachment for RoHS standards
  • Isolation up to 2250 VDC (basic)
  • Up to 15 Watts or greater total output power with overtemperature shutdown
  • High efficiency synchronous rectifier forward topology
  • Stable operation with no required external components
  • Usable -40 to 85°C temperature range (with derating)
  • Certified to UL 60950-1, CAN/CSA-C22.2 No. 60950-1, IEC60950-1, EN60950-1 safety approvals, 2nd edition
  • Extensive self-protection shut down features

Applications:

  • Small instruments
  • Area-limited micro controllers
  • Computer-based systems
  • Data communications equipment
  • Remote sensor systems
  • Vehicle and portable electronics

Additional Information: