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UEE Datasheet(PDF) 8 Page - Murata Manufacturing Co., Ltd. |
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UEE Datasheet(HTML) 8 Page - Murata Manufacturing Co., Ltd. |
8 / 29 page www.murata-ps.com/support UEE Series Isolated, High-Density, Eighth-Brick DOSA Low Profile DC/DC Converters MDC_UEE_Series.A04 Page 8 of 29 FUNCTIONAL SPECIFICATIONS, UEE-3.3/25-D48 ABSOLUTE MAXIMUM RATINGS Conditions ➀ Minimum Typical/Nominal Maximum Units Input Voltage, Continuous 0 80 Vdc Input Voltage, Transient Operating or non-operating, 100 mS max. duration 0 100 Vdc Isolation Voltage Input to output 2250 Vdc Input Reverse Polarity None, install external fuse None Vdc On/Off Remote Control Power on or off, referred to -Vin 0 13.5 Vdc Output Power 0 83.3 W Output Current Current-limited, no damage, short-circuit protected 025 A Storage Temperature Range Vin = Zero (no power) -55 125 °C Absolute maximums are stress ratings. Exposure of devices to greater than any of these conditions may adversely affect long-term reliability. Proper operation under conditions other than those listed in the Performance/Functional Specifications Table is not implied or recommended. INPUT Conditions ➀ ➂ Operating voltage range 36 48 75 Vdc Recommended External Fuse Fast blow 10 A Start-up threshold Rising input voltage 33 34 35 Vdc Undervoltage shutdown Falling input voltage 31 32 33 Vdc Overvoltage shutdown None Vdc Reverse Polarity Protection None, install external fuse None Vdc Internal Filter Type Pi Input current Full Load Conditions Vin = nominal 2.29 2.37 A Low Line Vin = minimum 3.06 3.16 A Inrush Transient 0.05 0.6 A2-Sec. Output in Short Circuit 150 300 mA No Load Iout = minimum, unit = ON 100 150 mA Standby Mode (Off, UV, OT) 510 mA Reflected (back) ripple current ➁ Measured at input with specified filter 30 mA, P-P GENERAL and SAFETY Efficiency Vin = 48V, full load 88.0 90.0 % Vin = min, full load 88.0 90.0 % Isolation Isolation Voltage, input to output No baseplate 2250 Vdc Isolation Voltage, input to baseplate With baseplate 1500 Vdc Isolation Voltage, output to baseplate With baseplate 1500 Vdc Insulation Safety Rating basic Isolation Resistance 10 MΩ Isolation Capacitance 1000 pF Safety Certified to UL-60950-1, CSA-C22.2 No.60950-1, IEC/EN60950-1, 2nd edition (pending) Yes Calculated MTBF Per Telcordia SR-332, issue 1, class 3, ground fixed, Tcase = +25°C 2.5 Hours x 106 DYNAMIC CHARACTERISTICS Fixed Switching Frequency 320 350 380 KHz Startup Time Power on to Vout regulated 10 mS Startup Time Remote ON to Vout regulated 10 mS Dynamic Load Response 50-75-50% load step, settling time to within ±1% of Vout 150 300 μSec Dynamic Load Peak Deviation same as above ±150 ±200 mV FEATURES and OPTIONS Remote On/Off Control ➃ “N” suffix: Negative Logic, ON state ON=Ground pin or external voltage -0.8 1 Vdc Negative Logic, OFF state OFF=Pin open or external voltage 2.5 13.5 Vdc Control Current sinking 1 2 mA “P” suffix: Positive Logic, ON state ON=Pin open or external voltage 2.5 13.5 V Positive Logic, OFF state OFF=Ground pin or external voltage -0.8 1 V Control Current sinking 1 2 mA Base Plate "B" suffix optional Conformal Coating "H" suffix optional |
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