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UEI15-120-Q12N-C Datasheet(PDF) 1 Page - Murata Manufacturing Co., Ltd. |
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UEI15-120-Q12N-C Datasheet(HTML) 1 Page - Murata Manufacturing Co., Ltd. |
1 / 13 page UEI15 Series Isolated Wide Input Range 15-Watt DC/DC Converters 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.B21 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 n Small footprint DC/DC converter, ideal for high current applications n Industry standard 0.9" x 1.1" X 0.335" open frame package and pinout n Wide range input voltages 9-36 and 18-75 Vdc n Double lead-free assembly and attachment for RoHS standards n Isolation up to 2250 VDC (basic) n Up to 15 Watts or greater total output power with overtemperature shutdown n High efficiency synchronous rectifier forward topology n Stable no-load operation with no required external components n Usable -40 to 85°C temperature range (with derating) n Designed to meet UL 60950-1, CAN/CSA- C22.2 No. 60950-1, IEC60950-1, EN60950-1 safety approvals n Extensive self-protection shut down features Wide range 4:1 inputs on the 0.9" x 1.1" x 0.335" 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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