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UWQ-12-Q48 Datasheet(PDF) 1 Page - Murata Manufacturing Co., Ltd. |
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UWQ-12-Q48 Datasheet(HTML) 1 Page - Murata Manufacturing Co., Ltd. |
1 / 18 page The UWQ series offers high output current (up to 17 Amps) in an industry standard “quarter brick” package requiring no heat sink for most applica- tions. The UWQ series delivers fixed DC output voltages up to 204 Watts (12V @17A) for printed circuit board mounting. Wide range inputs of 18 to 75 Volts DC (48 Volts nominal) are ideal for datacom and telecom systems. Advanced automated surface mount assembly and planar magnetics deliver galvanic isolation rated at 2250 Vdc for basic insulation. To power digital systems, the outputs offer fast settling to current steps and tolerance of higher capacitive loads. Excellent ripple and noise specifications as- sure compatibility to CPU’s, ASIC’s, programmable logic and FPGA’s. No minimum load is required. For systems needing controlled startup/shutdown, an external remote On/Off control may use either positive or negative polarity. A wealth of self-protection features include input undervoltage lockout and overtemperature shutdown using an on-board temperature sensor; overcurrent protection using the “hiccup” auto- restart technique, provides indefinite short-circuit protection, along with output OVP. The synchronous rectifier topology offers high efficiency for minimal heat generation and “no heat sink” operation. The UWQ series is certified to safety standards UL/ EN/IEC/CSA 60950-1, 2nd edition. It meets RFI/ EMI conducted/radiated emission compliance to EN55022, CISPR22 with an external filter. PRODUCT OVERVIEW APPLICATIONS Embedded systems, datacom and telecom installations, wireless base stations Disk farms, data centers and cellular repeater sites Remote sensor systems, dedicated controllers Instrumentation systems, R&D platforms, auto- mated test fixtures Data concentrators, voice forwarding and speech processing systems FEATURES Fixed DC outputs, 12V @17A Industry standard quarter brick 2.3” x 1.45” x 0.46” open frame package Wide range 18 to 75 Vdc input voltages with 2250 Volt Basic isolation Remote ON/Off enable control DOSA-compatible pinouts and form factor High efficiency synchronous rectifier topology Stable no-load operation Monotonic startup into pre-bias output condition Certified to UL/EN 60950-1, CSA-C22.2 No. 60950-1, 2nd edition safety approvals Extensive self-protection, OVP, input undervolt- age, current limiting and thermal shutdown F1 External DC Power Source Reference and Error Amplifier -Vout (4) +Vout (8) On/Off Control (2) -Vin (3) Open = On +Vin (1) polarity) Controller and Power Barrier Figure 1. Connection Diagram Typical topology is shown. Murata Power Solutions recommends an external fuse. UWQ-12/17-Q48 Series Wide Input, Isolated DOSA Quarter Brick DC/DC Converters MDC_UWQ-12/17-Q48 Series.A01.D7 Page 1 of 17 For full details go to www.murata-ps.com/rohs www.murata-ps.com www.murata-ps.com/support Typical unit Typical unit |
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