UWQ-12/17-Q48 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 For systems needing controlled startup/shutdown, 17 Amps) in an industry standard quarter brick an external remote On/Off control may use either package requiring no heat sink for most applica- positive or negative polarity. tions. The UWQ series delivers xed DC output A wealth of self-protection features include voltages up to 204 Watts (12V 17A) for printed input undervoltage lockout and overtemperature circuit board mounting. Wide range inputs of 18 shutdown using an on-board temperature sensor TTypical unitypical unit to 75 Volts DC (48 Volts nominal) are ideal for overcurrent protection using the hiccup auto- datacom and telecom systems. restart technique, provides inde nite short-circuit Advanced automated surface mount assembly protection, along with output OVP. The synchronous FEATURES and planar magnetics deliver galvanic isolation recti er topology offers high ef ciency for minimal rated at 2250 Vdc for basic insulation. To power heat generation and no heat sink operation. The Fixed DC outputs, 12V 17A digital systems, the outputs offer fast settling to UWQ series is certi ed to safety standards UL/ Industry standard quarter brick 2.3 x 1.45 x current steps and tolerance of higher capacitive EN/IEC/CSA 60950-1, 2nd edition. It meets RFI/ 0.46 open frame package loads. Excellent ripple and noise speci cations as- EMI conducted/radiated emission compliance to Wide range 18 to 75 Vdc input voltages with sure compatibility to CPUs, ASICs, programmable EN55022, CISPR22 with an external lter. 2250 Volt Basic isolation logic and FPGAs. No minimum load is required. Remote ON/Off enable control DOSA-compatible pinouts and form factor High ef ciency synchronous recti er topology 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/EN 60950-1, CSA-C22.2 No. installations, wireless base stations mated test xtures 60950-1, 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 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 UWQ-12/17-Q48 Series.A01.D7 Page 1 of 17UWQ-12/17-Q48 Series Wide Input, Isolated DOSA Quarter Brick DC/DC Converters ORDERING GUIDE Output Input R/N (mV IOUT IIN full pk-pk) Regulation (Max.) Ef ciency Dimensions 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-12/17-Q48 UWQ-12/17-Q48 12 17 204 100 120 1% 1.5% 48 18-75 80 4.62 90% 92% 22.30x1.45x0.46 max..30x1.45x0.46 max. 58.4x36.8x11.758.4x36.8x11.7 Please refer to the part number structure for additional ordering information and options. See detailed speci cations. Output capacitors are 1 F ceramic 10 F electrolytic with a 22uF input All speci cations are typical at nominal line voltage and full load, +25C unless otherwise noted. capacitor. These caps are necessary for our test equipment and may not be needed for your application. PART NUMBER STRUCTURE UWQ - 12 / 17 Q48 N B Lx - C - RoHS Hazardous Materials compliance Family C = RoHS-6 (does not claim EU RoHS exemption 7blead in solder), standard Series: Wide Input Pin length option Quarter Brick 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 no sample quantities available. Maximum Rated Output : Baseplate (optional) Current in Amps Blank = No baseplate, standard Note: B = Baseplate installed, optional Some model number combinations Input Voltage Range: may not be available. Please contact Q48 = 18-75 Volts (48V nominal) Murata Power Solutions. On/Off Control Polarity N = Negative polarity P = Positive polarity Complete Model Number Example: UWQ-12/17-Q48NBL1-C Negative On/Off logic, baseplate installed, 0.110 pin length, RoHS-6 compliance www.murata-ps.com/support MDC UWQ-12/17-Q48 Series.A01.D7 Page 2 of 17