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RFB35024S28R4Y Datasheet(PDF) 2 Page - Emerson Network Power |
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RFB35024S28R4Y Datasheet(HTML) 2 Page - Emerson Network Power |
2 / 6 page Rev.11.26.07 rfb300/350 2 of 6 Embedded Power for Business-Critical Continuity All specifications are typical at nominal input, full load at 25 °C unless otherwise stated. External output capacitance required (See Note 4). Specifications ABSOLUTE MAXIMUM RATINGS Input voltage - peak 24 Vin -0.5-50 Vdc (100 ms max., 48 Vin -0.5-100 Vdc 1.0 % duty cycle max.) Input voltage continuous 24 Vin -0.5-40 Vdc 48 Vin -0.5-80 Vdc Adjust pin voltage (with -0.5-12 Vdc respect to -sense pin) OUTPUT SPECIFICATIONS Voltage adjustability 12 Vout 7.2-13.2 Vdc 28 Vout 16.8-29.4 Vdc Min./max. load 12 Vout 0/25 A, 0/29.2 A 28 Vout 0/11 A, 0/12.5 A Output load capacitance 12 Vout 470 μF to 4,700 μF (See Note 10) 28 Vout 330 μF to 3,300 μF Rise time (See Note 12) 5 ms typ. INPUT SPECIFICATIONS Input current 24 Vin 23.8 A max. @ lo max. (See Note 3) 48 Vin RFB300 11.2 A max. @ lo max. 48 Vin RFB350 13 A max. @ lo max. Input reflected ripple 24 Vin 12 mA (pk-pk) (See Note 4) 48 Vin 12 V model 42 mA (pk-pk) 48 Vin 28 V model 28 mA (pk-pk) Input capacitance - 24 Vin 39 μF Internal filter 48 Vin 13 μF Inrush current (See Note 11) 2 A2s EMC CHARACTERISTICS Conducted emissions EN55022 See Application Note 167 Radiated emissions EN55022 See Application Note 167 GENERAL SPECIFICATIONS Efficiency 24 Vin 12 V model 86% 24 Vin 28 V model 90% Vin = Vin (nom), 48 Vin 12 V model 88% Iout (max.) 48 Vin 28 V model 91% Approvals and VDE IEC60950 standards IECEE CB, UL/cUL60950 Material Flammability UL94V-0 Weight 0.5 inch tall version 110 g (3.88 oz.) MTBF @ 55 °C 12 V model 1,900,000 hours min. Telcordia SR-332 Issue 1 28 V model 2,400,000 hours min. ENVIRONMENTAL SPECIFICATIONS Thermal performance Operating baseplate, -40 °C to +100 °C temperature Non-operating -40 °C to +100 °C RC PIN ELECTRICAL INTERFACE Open collector compatible (See AN 167 for remote ON/OFF) RC: ON voltage (See Note 13) 5 V min. Open circuit voltage 5 V min, 11 V typ 13 V max. High level leakage current (See Note 14) -25 μA max. OFF voltage (See Note 15) 1.2 V max. Low level input current (See Note 16) -250 μA max. OUTPUT INPUT OUTPUT OUTPUT OUTPUT EFFICIENCY REGULATION MODEL POWER VOLTAGE VOLTAGE CURRENT CURRENT (TYP.) LINE LOAD NUMBER (18,20) (MAX.) (MIN.) (MAX.) 300 W 18-36 Vdc 7.2-13.2 Vdc 0 A 25 A 86% ±0.15% ±0.2% RFB300-24S12Y 308 W 18-36 Vdc 16.8-29.4 Vdc 0 A 11 A 90% ±0.15% ±0.2% RFB300-24S28Y 308 W 36-75 Vdc 16.8-29.4 Vdc 0 A 11 A 91% ±0.15% ±0.2% RFB300-48S28Y 350 W 36-75 Vdc 7.2-13.2 Vdc 0 A 29.2 A 88% ±0.15% ±0.2% RFB350-48S12Y(17) 350 W 36-75 Vdc 16.8-29.4 Vdc 0 A 12.5 A 91% ±0.15% ±0.2% RFB350-48S28Y Ordering Information |
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