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UEI25-120-D48 Datasheet(PDF) 5 Page - Murata Manufacturing Co., Ltd. |
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UEI25-120-D48 Datasheet(HTML) 5 Page - Murata Manufacturing Co., Ltd. |
5 / 11 page UEI25-120 Series Single Output Isolated 25-Watt DC/DC Converters www.murata-ps.com email: sales@murata-ps.com 17 Aug 2010 MDC_UEI25-120.A02 Page 5 of 11 OUTPUT Conditions ➀ Minimum Typical/Nominal Maximum Units Total Output Power See Derating 0.0 25.2 25.45 W Voltage Nominal Output Voltage No trim 11.88 12.00 12.12 Vdc Setting Accuracy At 50% load -1 +1 % of Vset. Output Voltage Range User-adjustable -10 +10 % of Vnom. Overvoltage Protection Via magnetic feedback 14 19 22 Vdc Current Output Current Range 0.0 2.1 2.1 A Minimum Load ➂ No minimum load Current Limit Inception 97% of Vnom., after warmup 110 130 % of IoutMax Short Circuit Short Circuit Current Hiccup technique, autorecovery within ±1.25% of Vout 0.1 A Short Circuit Duration (remove short for recovery) Output shorted to ground, no damage Continuous Short circuit protection method Current limiting Hiccup autorestart duty cycle Output shorted to ground TBD % Regulation ➄ Line Regulation Vin=min. to max., Vout=nom., 50% load ±0.075 % of Vout Load Regulation Iout=min. to max., Vin=48V ±0.05 % of Vout Ripple and Noise 5 Hz- 20 MHz BW 95 120 mV pk-pk Temperature Coefficient At all outputs 0.02 % of Vnom./°C Maximum Capacitive Loading (10% ceramic, 90% Oscon) Cap. ESR=<0.02Ω, full resistive load 0 470 μF MECHANICAL (Through Hole Models) Conditions ➀ ➂ Minimum Typical/Nominal Maximum Units Outline Dimensions (no baseplate) C75 case 0.96x1.1x0.32 Inches (Please refer to outline drawing) WxLxH 24.38x27.94x8.13 mm Weight 0.32 Ounces 9.07 Grams Through Hole Pin Diameter 0.04 Inches 1.016 mm Through Hole Pin Material Copper alloy TH Pin Plating Metal and Thickness Nickel subplate TBD μ-inches Gold overplate TBD μ-inches ENVIRONMENTAL Operating Ambient Temperature Range With derating, 200 LFM -40 85 °C Tref Location Measured in center Storage Temperature Vin = Zero (no power) -55 125 °C Thermal Protection/Shutdown Measured at hotspot 130 135 150 °C Electromagnetic Interference External filter is required Conducted, EN55022/CISPR22 B Class Radiated, EN55022/CISPR22 B Class Relative humidity, non-condensing To +85°C 10 90 %RH Altitude must derate -1%/1000 feet -500 10,000 feet -152 3048 meters RoHS rating RoHS-6 FUNCTIONAL SPECIFICATIONS (CONT.) – MODEL UEI25-120-D48 Notes ➀ Unless otherwise noted, all specifications are at nominal input voltage, nominal output voltage and full load. General conditions are +25˚ Celsius ambient temperature, near sea level altitude, natural convection airflow. All models are tested and specified with external parallel 1 μF and 10 μF multi-layer ceramic output capacitors. The external input capacitor is 4.7 μF ceramic. All capacitors are low-ESR types wired close to the converter. These capacitors are necessary for our test equipment and may not be needed in the user's application. ➁ Input (back) ripple current is tested and specified over 5 Hz to 20 MHz bandwidth. Input filtering is Cbus=220 μF, Cin=33 μF and Lbus=12 μH. ➂ All models are stable and regulate to specification under no load. ➃ The Remote On/Off Control is referred to -Vin. ➄ Regulation specifications describe the output voltage changes as the line voltage or load current is varied from its nominal or midpoint value to either extreme. |
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