ULT Series www.murata-ps.com Thirty-Second-Brick Isolated DC/DC Converters with 2:1 Wide Input Range FEATURES 2:1 Input Voltage Range (36V 75V, 48 Volts, Typical units nominal) Up to 30W output power 36 48 75Vin 89% ef ciency (typical, 5Vout) PRODUCT OVERVIEW Through-hole and optional SMT package The ULT Series isolated DC/DC converter repre- Modules will supply an output power of up to Miniature 1/32 brick open frame package sents the next generation converters in a 1/32 30 watts over the input range of 36-75V. The ULT Positive & Negative Logic On/Off control option brick package. This converter is the industry- Series also provides a cost effective approach to Over-current & Over-temperature protection standard 1/32 brick form factor (0.92 x 0.75 highly ef cient systems requiring 12V, 5V, and 3.3V x 0.35 ). The product fully complies with RoHS-6 voltages, eliminating the requirement for a Bus Low output ripple and noise directive. Converter and multiple PoL converters. The ULT Strong thermal derating characteristics The thirty-second brick is offered as an open family provides basic insulation with 1500Vdc iso- Operational Temperature Range 40C to +85C frame module mounting options include through- lation meeting the requirements of UL/IEC 60950. hole or surface mount (SMT) pinouts. Typical The ULT series modules are DOSA compatible 1500V I/O isolation applications include Optical Networking Equipment, industry standard 1/32 brick. Tight line/load regulation Wireless Base Station applications, Microwave Certi ed to UL/IEC 60950-1, CAN/CSA C22.2 No. Radio communications, and Telecom and Data 60950-1, safety approvals, 2nd Edition Equipment applications. *TPMB UJPO F1 +Vin (1) +Vout (8) Barrier t 4XJUDIJOH 4FOTF External t JMUFST On/Off DC Control Controller Power t VSSFOU 4FOTF (2) and Power Source SBOTGFS5 4FOTF Open = On Reference and MPTFE 0GG Error Amplier 1 PTJUJWF Trim (6) polarity) -Vin (3) -Vout (4) Figure 1. Connection Diagram Typical topology is shown. Murata Power Solutions recommends an external fuse. For full details go to www.murata-ps.com/rohs www.murata-ps.com/support MDC ULT Series.F05 Page 1 of 26ULT Series Thirty-Second-Brick Isolated DC/DC Converters with 2:1 Wide Input Range PERFORMANCE SPECIFICATIONS SUMMARY AND ORDERING GUIDE Output Input Efficiency Package Root Model R/N (mV pk-pk) Regulation (max.) VOUT IOUT Power VIN Nom. Range IIN, no load IIN, full (V) (A, max.) (W) (V) (V) (mA) load (A) Typ. Max. Line Load Min. Typ. Case (inches) ULT-3.3/7.5-D48 3.3 7.5 24.75 45 50 0.15% 0.2% 48 36-75 20 0.6 84% 85.5% 0.92 x 0.75 x 0.35 ULT-5/5-D48 5 5 25 50 75 0.1% 0.125% 48 36-75 20 0.59 87% 89% 0.92 x 0.75 x 0.35 ULT-12/2.5-D48 12 2.5 30 70 100 0.075% 0.125% 48 36-75 20 0.68 90% 92% 0.92 x 0.75 x 0.35 Please refer to the Part Number Structure when ordering. is measured with 188F. Output caps are necessary for our test equipment and may All speci cations are typical at nominal line voltage and full load, +25C unless not be needed for your application. otherwise noted. See detailed speci cations. External input capacitors are Regulation speci cations describe output voltage deviations from a nominal/midpoint 33F electrolytic and three 1F ceramic. Output ripple is measured with 400F value to either extreme (50% load step). capacitance across output pins for the 3.3Vout and 5Vout model. The 12Vout model PART NUMBER STRUCTURE ULT - 3.3 / 7.5 - D48 N M Lx - C Thirty-second-brick series (Unipolar) RoHS Hazardous Substance Compliance (does not claim EU RoHS exemption 7blead in solder) C = RoHS-6 Pin Length Option (Thru-hole only) Nominal Output Voltage Blank = Standard pin length 0.190 (4.8mm) L1 = 0.110 (2.79mm) L2 = 0.145 (3.68mm) SMT Version Option Maximum Rated Output Current Blank = Through-hole mount, no SMT Current in Amps M = Surface mount (MSL Rating 2) Input Voltage Range On/Off Control Logic Option D48 = 36-75 Volts (48V nominal) N = Negative P = Positive Special quantity order is required samples available with standard pin length only. SMT (M) versions not available in sample quantities. Some model number combinations may not be available. See website or contact your local Murata sales representative. www.murata-ps.com/support MDC ULT Series.F05 Page 2 of 26