Single Output UCQ Models www.murata-ps.com Low-Profile, Quarter Brick, 8.3-40 Amp Isolated DC-DC Converters Typical units FEATURES PRODUCT OVERVIEW Standard quarter-brick package/pinout For applications requiring improved electrical and The UCQs feature full isolation to 2250Vdc thermal performance at reduced cost, consider meeting BASIC insulation requirements of Low cost Low profile, 0.4 (10.2mm) Murata Power Solutions new UCQ series quarter UL/EN/IEC 60950-1. Input filters reduce propa- 24V or 48V nominal input brick DC-DC power converters. These compact gated switching noise back to input sources. Also Outputs: 1.2V to 15V units measure just 1.45 x 2.3 x 0.4 (36.8 x 60.9 included is a remote On/Off switch control (with x 10.2 mm) and fit the industry-standard footprint. positive or negative logic), output trim adjustable Interleaved synchronous-rectifier topology Available outputs range between 1.2V 30 Amps over nominal and output sense functions to reduce Ultra high efficiency to 15V 6.7 Amps and accept a wide input range. power lead losses. Extensive protection items No output reverse conduction The UCQs interleaved, synchronous-rectifier avoid damage from out of limit voltages, currents Outstanding thermal performance topology offers high efficiency (up to 93%), tight and temperatures. Protection faults automatically On/off control, trim & sense functions line and load regulation, low noise and fast step recover using the hiccup technique. Besides safety response. A single-board optimized open-frame testing to 60950-1, certifications for the UCQ in - Fully isolated, 2250Vdc (BASIC) design contributes to impressive thermal opera- clude application for EMC compliance (to EN55022/ Output overvoltage protection tion. UCQs will operate up to +70C and 100 LFM CISPR22 with filter), qualification testing. Fully I/O protected Thermal shutdown airflow with no derating. Designed to meet UL/EN/IEC60950-1 safety approvals +SENSE (7) +VIN +VOUT (1) (8) SWITCH CONTROL VOUT (4) VIN (3) SENSE (5) PWM OPTO REFERENCE & CONTROLLER ISOLATION ERROR AMP VOUT TRIM (6) INPUT UNDERVOLTAGE, INPUT OVERVOLTAGE, AND OUTPUT OVERVOLTAGE COMPARATORS * Can be ordered with positive (standard) or negative (optional) polarity. REMOTE ON/OFF CONTROL* (2) Figure 1. Simplified Schematic For full details go to Typical topology may vary between units. www.murata-ps.com/rohs www.murata-ps.com/support MDC UCQ Models.E04 Page 1 of 24Single Output UCQ Models Low-Profile, Quarter Brick, 8.3-40 Amp Isolated DC-DC Converters PERFORMANCE SPECIFICATIONS SUMMARY AND ORDERING GUIDE Output Input R/N (mVp-p) Regulation (Max.) Iin full Efficiency Vout Iout Power Vin Nom. Range Iin no load (Volts) (Amps) (Watts) Typ. Max. Line Load (Volts) (Volts) load (mA) (Amps) Min. Typ. Root Models UCQ-1.2/40-D24P-C 1.2 40 48 Please contact Murata Power Solutions for further information. UCQ-1.2/30-D48N-C 1.2 30 36 50 100 0.125% 0.25% 48 36-75 30 0.90 81% 83% UCQ-1.5/25-D48N-C 1.5 25 37.5 50 80 0.125% 0.25% 48 36-75 50 0.94 81% 83% UCQ-1.5/40-D48N-C 1.5 40 60 50 100 0.125% 0.25% 48 36-75 50 1.45 85% 86% UCQ-1.8/30-D48N-C 1.8 30 54 80 100 0.125% 0.25% 48 36-75 45 1.31 83% 86% UCQ-1.8/40-D48N-C 1.8 40 72 50 100 0.1% 0.2% 48 36-75 30 1.70 86% 88% UCQ-2.5/40-D24P-C 2.5 40 100 80 120 0.125% 0.25% 24 18-36 120 4.96 82% 84% UCQ-2.5/30-D48N-C 2.5 30 75 50 100 0.125% 0.25% 48 36-75 50 1.80 85% 87% UCQ-3.3/35-D24P-C 3.3 35 115.5 80 120 0.25% 0.25% 24 18-36 130 5.41 87% 89% UCQ-3.3/20-D48N-C 3.3 20 66 50 80 0.125% 0.25% 48 36-75 50 1.53 88.5% 90% UCQ-3.3/30-D48N-C 3.3 30 99 50 80 0.125% 0.25% 48 36-75 50 2.3 89.5% 91% UCQ-3.3/40-D48N-C 3.3 40 132 60 100 0.1% 0.2% 48 36-75 30 3.06 89% 90% UCQ-5/20-D24P-C 5 20 100 50 60 0.125% 0.25% 24 18-36 160 4.55 88% 91.5% UCQ-5/20-D48N-C 5 20 100 35 55 0.125% 0.25% 48 36-75 80 2.26 89% 92% UCQ-5/25-D48N-C 5 25 125 50 100 0.125% 0.25% 48 36-75 30 2.89 88% 90% UCQ-12/8.3-D48N-C 12 8.3 99.6 100 150 0.125% 0.25% 48 36-75 80 2.28 90% 91% UCQ-15/6.7-D48N-C 15 6.7 100.5 100 150 0.125% 0.25% 48 36-75 100 2.28 90% 92% Please refer to the part number structure for additional ordering part numbers and options. All specifications are at nominal line voltage and full load, +25 deg.C unless otherwise noted. See detailed specifications. Output capacitors are 1 F ceramic 10 F electrolytic. I/O caps are necessary for our test equipment and may not be needed for your application. Outline dimensions: 2.3 1.45 0.40 inches 58.4 36.8 10.2 mm Pinout: P32 (all models) PART NUMBER STRUCTURE U CQ - 3.3 / 30 D48 N B H Lx - C - Output Configuration: RoHS Hazardous Materials compliance Unipolar, C = RoHS-6, standard (does not claim EU RoHS exemption 7Blead in solder) single output Y = RoHS-5 (with lead), optional, special order Pin length option Quarter-Brick Package Blank = standard pin length 0.180 in. (4.6 mm) L1 = 0.110 in. (2.79 mm)* Nominal Output Voltage L2 = 0.145 in. (3.68 mm)* *Special quantity order is required Maximum Rated Output : Conformal coating (optional) no sample quantities available. Current in Amps Blank = no coating, standard H = coating added, optional special order Input Voltage Range: Note: Baseplate (optional) D24 = 18-36 Volts (24V nominal) Some model number combinations Blank = No baseplate, standard D48 = 36-75 Volts (48V nominal) may not be available. Please contact B = Baseplate installed, optional special order Murata Power Solutions. On/Off Control Logic P = Positive logic (standard for D24, optional for D48) N = Negative logic (standard for D48, optional for D24) www.murata-ps.com/support MDC UCQ Models.E04 Page 2 of 24