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PSC126-7LIRPCDG Datasheet(PDF) 10 Page - Bel Fuse Inc. |
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PSC126-7LIRPCDG Datasheet(HTML) 10 Page - Bel Fuse Inc. |
10 / 19 page PSC, PSL Series Data Sheet Positive Switching Regulators MELCHER The Power Partners. BCD20027-G Rev AC, 16-Aug-2017 Page 10 of 19 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 50 60 70 80 90 °C I o /Io nom T A 1.0 forced cooling T A min T C max convection cooling 0.9 05031a Table 4f: Output data. General conditions as per table 4a Output PSC366 / PSL366 PSC486 / PSL486 Unit Characteristics Conditions min typ max min typ max Vo Output voltage Vi nom, Io nom 35.78 36.22 47.71 48.29 V Io Output current Vi min – Vi max 0 6.0 0 6.0 A IoL Output current limitation TC min – TC max 6.0 7.8 6.0 7.8 vo Output Switching freq. Vi nom, Io nom 50 90 55 110 mVpp voltage Total IEC/EN 61204 54 94 95 115 noise BW = 20 MHz ∆V o V Static line regulation Vi min – Vi max, Io nom 200 300 100 200 mV ∆V o l Static load regulation Vi nom, Io = 0 – Io nom 120 200 180 250 vo d Dynamic Voltage deviat. Vi nom 140 150 td load Recovery time Io nom ↔ 1/3 I o nom 100 100 µs regulation IEC/EN 61204 α Vo Temperature coefficient Vi min – Vi max ±0.02 ±0.02 %/K ∆V o/∆TC (TC min – TC max) Io = 0 – Io nom Fig. 4 Switching regulator with long supply lines. v od v od t d t d V o ±1 % V o ±1 % t t ≥ 10 µs ≥ 10 µs V o 0 0.5 1 I o /Io nom 05102c Thermal Considerations When a switching regulator is located in free, quasi-stationary air (convection cooling) at a temperature TA = 71 °C and is operated at Io nom, the case temperature TC will be about 95 °C after the warm-up phase, measured at the measuring point of case temperature TC; see Mechanical Data. Under practical operating conditions, the ambient temperature TA may exceed 71 °C, provided that additional measures (heat sink, fan, etc.) are taken to ensure that the case temperature TC does not exceed its maximum value of 95 °C. Example: Sufficient forced cooling allows TA max = 85 °C. A simple check of the case temperature TC (TC ≤ 95 °C) at full load ensures correct operation of the system. Fig. 5a Output current derating versus temperature (models -2) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 40 60 70 80 [°C] I o /Io nom T A 0.9 1.0 05032a T C max 50 Convection cooling T A min Forced cooling Fig. 5b Output current derating versus temperature (models -7 or - 9) |
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