UEE-12/12.5-D48NB-C

Units are offered with a fi xed output voltage and current up to 45 Amps. UEEs operate over a wide temperature range (up to +85 degrees Celsius at moderate airfl ow) with full rated power. Synchronous rectifi er topology yields excellent effi ciency.UEEs achieve these impressive mechanical and environmental specs while delivering excellent electrical performance in an industry standard DOSA compatible through-hole package or surface mount option. The unit is fully protected against input undervoltage, output overcurrent and short circuit. An on-board temperature sensor shuts down the converter if thermal limits are reached and automatically restarts the converter when the fault is removed.An On/Off control input enables phased startup and shutdown in multi-voltage applications. UEEs include a Sense input to correct for ohmic losses. A trim input may be connected to a user’s adjustment potentiometer or trim resistors for output voltage calibration.UEEs include industry-standard safety certifications and BASIC I/O insulation provides input/ output isolation to 2250V. Radiation and conducted emission testing is performed to widely accepted EMC standards.

• Synchronous rectification yields high efficiency over 90%
• 36 to 75 Vdc input range (48V nominal)
• Outstanding thermal performance and derating
• Low profile 0.42" height with 0.9"" x 2.3"" outline dimensions
• Fully isolated, 2250 Vdc (BASIC) insulation
• Industry standard DOSA eighth-brick pinout and package and surface mount (SMT) option
• Extensive self-protection and short circuit features
• On/Off control, trim and sense functions
• Fully protected against temperature and voltage limits
• RoHS-6 compliant
• UL/IEC 60950-1 and CAN/CSA C22.2 No. 60950-1, 2nd Edition safety approvals
• Monotonic startup into normal and pre-biased loads