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MDC_UEI-15W Datasheet(PDF) 1 Page - Murata Manufacturing Co., Ltd. |
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MDC_UEI-15W Datasheet(HTML) 1 Page - Murata Manufacturing Co., Ltd. |
1 / 13 page UEI15 Series Isolated Wide Input Range 15-Watt DC/DC Converters www.murata-ps.com For full details go to www.murata-ps.com/rohs www.murata-ps.com Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000 MDC_UEI15W.B24 Page 1 of 13 SIMPLIFIED SCHEMATIC PRODUCT OVERVIEW Featuring a full 15 Watt or greater output in one square inch of board area, the UEI series isolated DC/DC converter family offers efficient regulated DC power for printed circuit board mounting. GATE DRIVE Control Reference, Trim & Error Amplifier +VIN −VIN +VOUT –VOUT On/Off Control TRIM ISOLATION BARRIER ISOLATION Typical topology is shown. 3.3V and 5VOUT models only. Typical unit FEATURES Small footprint DC/DC converter, ideal for high current applications Industry standard 0.96" x 1.1" X 0.36" open frame package and pinout Wide range input voltages 9-36 and 18-75 Vdc Double lead-free assembly and attachment for RoHS standards Isolation up to 2250 VDC (basic) Up to 15 Watts or greater total output power with overtemperature shutdown High efficiency synchronous rectifier forward topology Stable no-load operation with no required external components Usable -40 to 85°C temperature range (with derating) Designed to meet UL 60950-1, CAN/CSA- C22.2 No. 60950-1, IEC60950-1, EN60950-1 safety approvals Extensive self-protection shut down features Wide range 4:1 inputs on the 0.96" x 1.1" x 0.36" converter are either 9 to 36 Volts DC (Q12 models) or 18 to 75 Volts DC (Q48 models), ideal for battery- powered and telecom equipment. The industry- standard pinout fits larger 1" x 2" converters. Fixed output voltages from 3.3 VDC to 15 VDC are regu- lated to within ±0.2% or less and may be trimmed within ±10% of nominal output. Applications include small instruments, area-limited microcon- trollers, computer-based systems, data communi- cations equipment, remote sensor systems, vehicle and portable electronics. The UEI 15W series includes full magnetic and optical isolation up to 2250 Volts DC (basic insula- tion). For connection to digital systems, the outputs offer fast settling to current step loads and toler- ance of higher capacitive loads. Excellent ripple and noise specifications assure compatibility to circuits using CPU’s, ASIC’s, programmable logic and FPGA’s. For systems requiring controlled startup/shutdown, an external switch, transis- tor or digital logic may be used to activate the remote On/Off control. A wealth of self-protection features avoid both converter and external circuit problems. These include input undervoltage lockout and overtem- perature shutdown. The outputs 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 high efficiency offers minimal heat buildup and “no fan” operation. |
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