UWQ-12/20-T48 Series www.murata-ps.com Wide Input, Isolated DOSA Quarter Brick DC/DC Converters PRODUCT OVERVIEW The UWQ series offers high output current (up to to CPUs, ASICs, programmable logic and FPGAs. 20 Amps) in an industry standard quarter brick No minimum load is required. For systems needing package requiring no heat sink for most applica- controlled startup/shutdown, an external remote tions. The UWQ series delivers xed DC output On/Off control may use either positive or negative voltages up to 240 Watts (12V 20A) for printed logic. circuit board mounting. Wide range inputs of 18 A wealth of self-protection features include TTypicalypical unitunit to 60 Volts DC (48 Volts nominal) are ideal for input undervoltage lockout and overtemperature datacom and telecom systems. shutdown using an on-board temperature sensor FEATURES The UWQ-12/20-T48NS/PS offers a load shar- overcurrent protection using the hiccup auto- ing option for paralleling up to three modules in restart technique, provides inde nite short-circuit Fixed DC outputs, 12V 20A the most demanding, power hungry applications. protection, along with output OVP. The synchronous Industry standard quarter brick 2.3 x 1.45 x Advanced automated surface mount assembly and recti er topology offers high ef ciency for minimal 0.46 open frame package planar magnetics deliver galvanic isolation rated at heat generation and no heat sink operation. The Wide range 18 to 60 Vdc input voltages with 2250 Vdc for basic insulation. To power digital sys- UWQ series is certi ed to safety standards UL/ 2250 Volt Basic isolation tems, the outputs offer fast settling to current steps IEC/CSA 60950-1, 2nd edition. It meets class B and tolerance of higher capacitive loads. Excellent EMI conducted emission compliance to EN55022, Remote ON/Off enable control ripple and noise speci cations assure compatibility CISPR22 with an external lter. DOSA-compatible pinouts and form factor High ef ciency synchronous recti er topology Multiple-unit parallel operation for increased current Stable no-load operation APPLICATIONS Monotonic startup into pre-bias output condition Embedded systems, datacom and telecom Instrumentation systems, R&D platforms, auto- Certi ed to UL/60950-1, CSA-C22.2 No. 60950- installations, wireless base stations mated test xtures 1, 2nd edition safety approvals Disk farms, data centers and cellular repeater sites Data concentrators, voice forwarding and Extensive self-protection, OVP, input undervolt- speech processing systems age, current limiting and thermal shutdown Remote sensor systems, dedicated controllers F1 +Vin (1) +Vout (8) Barrier External On/Off DC Control Controller Power and Power (2) Source Open = On Reference and Error Amplier logic) -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 UWQ-12/20-T48 Series.C01.D4 Page 1 of 23UWQ-12/20-T48 Series Wide Input, Isolated DOSA Quarter Brick DC/DC Converters PERFORMANCE SPECIFICATIONS SUMMARY AND ORDERING GUIDE Output Input Iout Iin full R/N (mV pk-pk) Regulation (Max.) Ef ciency Dimensions (open frame) Vout (Amps, Power Vin Nom. Range Iin no load (Volts) max.) (Watts) Typ. Max. Line Load (Volts) (Volts) load (mA) (Amps) Min. Typ. (inches) (mm) Root Model UWQ-12/20-T48 12 20 240 100 120 1.0 1.5 48 18-60 90 5.43 90% 92% 2.30X1.45X0.46 max. 58.4x36.8x11.7 UWQ-12/20-T48-NS/PS 12 20 240 100 120 1.25 2.5 48 18-60 90 5.43 90% 92% 2.30x1.45x0.46 max. 58.4x36.8x11.7 Please refer to the part number structure for additional ordering information and options. detailed speci cations. Output capacitors are 1 F 10 F with a 22F input capacitor. These caps are All speci cations are typical at nominal line voltage and full load, +25C unless otherwise noted. See necessary for our test equipment and may not be needed for your application. PART NUMBER STRUCTURE UWQ - 12 / 20 T48 N B S Lx - C - RoHS Hazardous Materials compliance Family C = RoHS-6 (does not claim EU RoHS exemption 7blead in solder), standard Series: Wide Input Quarter Brick Pin length option Blank = Standard pin length 0.180 in. (4.6 mm) Nominal Output Voltage L1 = 0.110 in. (2.79 mm) L2 = 0.145 in. (3.68 mm) Maximum Rated Output: Current in Amps Load Share Option Blank = No share Input Voltage Range: S = Load share T48 = 18-60 Volts (48V nominal) On/Off Control Logic Baseplate (optional) N = Negative logic Blank = No baseplate, standard P = Positive logic B = Baseplate installed, optional Special quantity order is required samples available with standard pin length only. Some model number combinations may not be available. See website or contact your local Murata sales representative. UWQ-12/20-T48NBL1-C Complete Model Number Example: Negative On/Off logic, baseplate installed, 0.110 pin length, RoHS-6 compliance www.murata-ps.com/support MDC UWQ-12/20-T48 Series.C01.D4 Page 2 of 23