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UWS124.5Q48PHL2C Datasheet(PDF) 1 Page - Murata Power Solutions Inc. |
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UWS124.5Q48PHL2C Datasheet(HTML) 1 Page - Murata Power Solutions Inc. |
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1 / 25 page  www.murata-ps.com www.murata-ps.com/support For full details go to www.murata-ps.com/rohs UWS Series Sixteenth-brick DOSA-Compatible, Wide Input Isolated DC/DC Converters MDC_UWS Series.B02 Page 1 of 25 FEATURES High efficiency synchronous rectifier forward topology 18-75 Volts DC wide input range with 3.3, 5 and 12 Volts for Output voltage Up to 54 Watts total output power with overtemperature shutdown Tiny 1.31" x 0.91" x 0.36" open frame package Industry standard DOSA "brick" format and pinout Extensive self-protection shut down features Small footprint DC/DC converter, ideal for high current applications 2250 Volt Basic input/output isolation (48V models) Operating temperature range -40 to +85 °C with derating Stable no-load operation with no required exter- nal components Certified to UL 60950-1, 2nd Edition, EN60950-1 safety approvals The world of “brick” DC/DC converters has seen a steady size reduction. The UWS series makes another dramatic size shrink down to a “sixteenth- brick” width (0.91 inches) while still retaining a high power output and full 2250 Volt DC isolation. The PC-board mount converter family accepts 18 to 75 Volts DC inputs and delivers fixed outputs regulated to within ±0.125%. The UWS converters are ideal for datacom and telecom applications, cell phone towers, data centers, server farms and network repeaters. UWS outputs may be trimmed while delivering fast settling to current step loads and no adverse effects from higher capacitive loads. Excellent ripple and noise specifications assure compatibility to cir- cuits using CPU’s, ASIC’s, programmable logic and FPGA’s. No minimum load is required. For systems requiring controlled startup/shutdown, an external remote On/Off control may use a switch, transistor or digital logic. Many self-protection features on the UWS series avoid both converter and external circuit hazards. These include input undervoltage lockout and overtemperature shutdown. The output of these DC/DC converters have current limit using the “hiccup” autorestart technique and the outputs may be short-circuited indefinitely. Additional features include output overvoltage and reverse conduction elimination. The synchronous rectifier forward topology yields high efficiency for minimal heat buildup and “no fan” operation. PRODUCT OVERVIEW F1 External DC Power Source Reference and Error Amplifier -Vout (4) +Vout (8) Trim (6) On/Off Control (2) -Vin (3) Open = On +Vin (1) Controller and Power Barrier Typical topology is shown. Murata Power Solutions recommends an external fuse. Figure 1. Connection Diagram *Sense is included on the UWS-3.3/15-Q48 and UWS-5/10-Q48. Typical units FPGA’ N i i l d i i Sixteenth-brick DOSA-C Wide Input Isolated DC/DC l units PRODUCT OVERVIEW Typica |
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