UCE Series www.murata-ps.com Isolated, High-Density, Eighth-Brick Low Profile DC-DC Converters FEATURES Industry standard eighth-brick pinout Typical unit and package Low profile 0.4 height with 0.9 x 2.3 For efficient, fully isolated DC power in the smallest space, the UCE outline dimensions open frame DC-DC converter series fit in industry-standard eighth 36 to 75 Vdc input range (48V nominal) Fully isolated, 2250 Vdc (BASIC) brick outline dimensions and mounting pins (on quarter-brick pinout). insulation PRODUCT OVERVIEW Outstanding thermal performance and derating Units are offered with fixed output voltages from down the converter if thermal limits are reached. 1.5 to 12 Volts and currents up to 30 Amps. UCEs Hiccup output protection automatically restarts Extensive self-protection and short operate over a wide temperature range (up to +85 the converter when the fault is removed. circuit features with no output reverse degrees Celsius at moderate airflow) with full rated A convenient remote On/Off control input enables conduction power. Interleaved synchronous rectifier topology phased startup and shutdown in multi-voltage ap- On/Off control, trim and sense functions yields excellent efficiency over 90% and no reverse plications. To compensate for longer wiring and to Interleaved synchronous rectification output conduction. retain output voltage accuracy at the load, UCEs em- yields high efficiency over 90% UCEs achieve these impressive mechanical and ploy a Sense input to dynamically correct for ohmic environmental specs while delivering excellent losses. A trim input may be connected to a users Fully protected against temperature and electrical performance in a through-hole package. adjustment potentiometer or trim resistors for output voltage limits Overall noise is typically 50 mV pk-pk (low voltage voltage calibration. The UCE will tolerate substantial RoHS-6 or RoHS-5 compliant models) with fast step response. These converters capacitive loading for bypass-cap applications. Certified to UL/EN/IEC 60950-1 and offer tight output regulation and high stability even UCEs include industry-standard safety certifica- CAN/CSA C22.2 No. 60950-1, 2nd Edition with no load. The unit is fully protected against tions and BASIC I/O insulation provides input/output safety approvals input undervoltage, output overcurrent and short isolation to 2250V. Radiation emission testing is circuit. An on-board temperature sensor shuts performed to widely-accepted EMC standards. SIMPLIFIED BLOCK DIAGRAM +SENSE (7) +VIN (1) +VOUT (8) SWITCH CONTROL VOUT (4) VIN SENSE (3) INPUT UNDERVOLTAGE, INPUT (5) PULSE OVERVOLTAGE, AND OUTPUT TRANSFORMER OVERVOLTAGE COMPARATORS PWM OPTO REFERENCE & VOUT TRIM CONTROLLER ISOLATION ERROR AMP (6) REMOTE ON/OFF Typical topology is shown. CONTROL (2) Figure 1. Simplified Block Diagram For full details go to www.murata-ps.com/rohs www.murata-ps.com/support M DC UCE.E03 Page 1 of 17UCE Series Isolated, High-Density, Eighth-Brick Low Profile DC-DC Converters PERFORMANCE SPECIFICATIONS SUMMARY AND ORDERING GUIDE Output Input Ripple & Noise IIN, no IIN, full (mVp-p) Regulation (max.) Efficiency Package VOUT IOUT Power VIN Nom. Range load load Model Family (V) (A) (W) Typ. Max. Line Load (V) (V) (mA) (A) Min. Typ. Case Pinout 1.2 25 30 Please contact Murata Power Solutions for further information. UCE-1.2/25-D48 UCE-1.5/20-D48 1.5 20 30 50 100 0.15% 0.3% 48 36-75 50 0.72 85% 87% C56 P32 UCE-1.5/40-D48 1.5 40 60 Please contact Murata Power Solutions for further information. 1.8 30 54 30 45 1.28 87% 88% UCE-1.8/30-D48 80 UCE-2.5/20-D48 2.5 20 50 0.125% 0.25% 50 1.14 88% 91% UCE-3.3/15-D48 3.3 15 49.5 1.15 86% 90% 50 60 3.3 30 99 100 0.1% 0.2% 2.27 89% 91% UCE-3.3/30-D48 UCE-5/10-D48 5 10 50 48 36-75 30 1.15 88% 90.5% C56 P32 UCE-5/20-D48 5 20 100 30 60 2.25 90% 92.5% 12 4.2 50.4 150 0.125% 0.25% 1.14 92% UCE-12/4.2-D48 50 UCE-12/8.3-D48 12 8.3 99.6 300 2.31 86% 200 90% UCE-12/10-D48 12 10 120 2.78 Please refer to the model number structure for additional ordering part numbers and options. PART NUMBER STRUCTURE U CE - 3.3 / 30 - D48 N B H Lx - C Output Configuration: RoHS Hazardous Materials compliance C = RoHS6 (does not claim EU RoHS exemption 7blead in solder), standard U = Unipolar/Single Y = RoHS5 (with lead), optional, special quantity order Pin Length Option (Through-hole packages only) Eighth-Brick Package Blank = Standard pin length 0.180 inches (4.6mm) L1 = Pin length 0.110 inches (2.79mm)* L2 = Pin length 0.145 inches (3.68mm)* Nominal Output Voltage *Special quantity order is required Conformal coating (optional) no sample quantities available. Blank = no coating, standard Maximum Rated Output H = Coating added, optional, special quantity order Current in Amps Baseplate (optional, not available on some models) Blank = No baseplate, standard Input Voltage Range: B = Baseplate installed, optional, special quantity order D48 = 36-75V, Note: Some model combinations may not be On/Off Control Logic 48V nominal available. Contact Murata Power Solutions for N = Negative logic, standard availability. P = Positive logic, optional As of September 2017, ONLY the following part numbers will be available: UCE-5/20-D48N-C UCE-5/20-D48NB-C. Product Adaptations Murata Power Solutions offers several variations of our core product family. As of this date, the following products are available: These products are available under scheduled quantity orders and may also UCE-3.3/30-D48NHL2-Y include separate manufacturing documentation from a mutually agreeable Product Specification. Since these product adaptations largely share a common UCE-12/4.2-D48NHL2-Y parts list and similar specifications and test methods with their root products, These models are all negative On/Off logic, no baseplate, conformal coating they are provided at excellent costs and delivery. Please contact Murata Power added, 3.68mm pin length, and RoHS-5 hazardous substance compliance (with Solutions for details. lead). www.murata-ps.com/support M DC UCE.E03 Page 2 of 17