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UWE-24-20-Q48PB-C Datasheet(PDF) 1 Page - Murata Manufacturing Co., Ltd. |
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UWE-24-20-Q48PB-C Datasheet(HTML) 1 Page - Murata Manufacturing Co., Ltd. |
1 / 13 page UWE Series Wide Input, Isolated Eighth-Brick DC/DC Converters For full details go to www.murata-ps.com/rohs www.murata-ps.com www.murata-ps.com Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000 MDC_UWE Series.A17 Page 1 of 20 With dimensions of only 0.9 by 2.3 by 0.38 inches, the UWE series open frame DC/DC convert- ers deliver up to 75 Watts in an industry-standard “eighth-brick” through-hole package. This format can plug directly into quarter-brick pinouts. Several standard fixed-output voltages from 3.3 Vdc to 24 Vdc assure compatibility in embedded equipment, CPU cards and instrument subsystems. The extend- ed 4-to-1 input power range (9-36V) is ideal for battery-powered, telecom or portable applications. Very high efficiency means no fans or temperature deratings in many applications. An optional thermal mounting baseplate extends operation into most conceivable environments. The synchronous rectifier design uses the maximum available duty cycle for greatest ef- ficiency and low power dissipation with no reverse output conduction. Other features include low on-resistance FET’s, planar magnetics and heavy- copper PC boards. These deliver low output noise, tight line/load regulation, stable no-load operation and fast load step response. All units are precision assembled in a highly automated facility with ISO- traceable manufacturing quality standards. Isolation of 1500 Volts assures safety and fully differential (floating) operation for greatest applica- tion flexibility. On-board Sense inputs compensate for line drop errors at high output currents. Outputs are trimmable within ±10% of nominal voltage. The UWE series are functionally complete. A wealth of protection features prevents damage to both the converter and outside circuits. Inputs are protected from undervoltage and outputs fea- ture short circuit protection, overcurrent and excess temperature shut down. Overloads automatically recover using the “hiccup” technique upon fault removal. The UWE is designed to meet all standard safety and EMI/RFI certifications. All units meet RoHS-6 (no lead) hazardous materials compliance. FEATURES Industry-standard through-hole eighth-brick package with 0.9" x 2.3" x 0.38" outline dimensions Choice of two wide input ranges, 9-36 Vdc or 18-75 Vdc Fixed output from 3.3 to 24 Volts DC up to 75 Watts Synchronous rectification yields very high efficiency and low power dissipation Operating temperature range from -40 to +85˚C with derating Up to 1500 Volt DC isolation (basic insulation) Outstanding thermal performance and derating Extensive self-protection, overtemperature and overload features with no output reverse conduction On/Off control,trim and remote sense functions Meets UL/EN/IEC 60950-1, CAN/CSA-C22.2 No. 60950-1 safety approvals and FCC RFI/ EMI certification Pre-bias operation for startup protection PRODUCT OVERVIEW The UWE Series "Eighth-Brick" DC/DC Converters are high-current isolated power modules designed for use in high-density system boards. T Typical unit Simplified Block Diagram +SENSE +VOUT −VOUT −SENSE TRIM –VIN +VIN ON/OFF CONTROL SWITCH DRIVE Typical topology is shown. REFERENCE AMPLIFIER, TRIM AND FEEDBACK VOLTAGE REGULATOR SS UV, OT ISOLATION PWM |
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