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V048F120T025 Datasheet(PDF) 3 Page - Vicor Corporation |
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V048F120T025 Datasheet(HTML) 3 Page - Vicor Corporation |
3 / 14 page vicorpower.com 800-735-6200 V•I Chip Pre-Regulator Module P048F048T12AL Rev. 1.0 Page 3 of 14 PRELIMINARY Parameter Min Typ Max Unit Note Input voltage range 36 48 75 Vdc Input dV/dt 1 V/µs Input undervoltage turn-on 33.8 35.3 Vdc Input undervoltage turn-off 30.5 31.8 Vdc Input overvoltage turn-on 75.8 77.3 Vdc Input overvoltage turn-off 78.8 81.0 Vdc Input quiescent current 0.5 1 mA PC low Input current 2.6 Adc Input reflected ripple current 280 mA p-p See Figures 4 & 5 No load power dissipation 2 4 W Internal input capacitance 5 µF Ceramic Recommended external input capacitance 100 µF See Figure 5 for input filter circuit. Source impedance dependent Input Specs (Conditions are at 48 Vin, 48 Vf, full load, and 25°C ambient unless otherwise specified) Figure 3 — Vf turn-on waveform with inrush current – PC enabled at full load, 48 Vin Figure 2 — Vf and PC response from power up Figure 4 — Input reflected ripple current at full load and 48 Vin Input Waveforms +IN –IN +Out –Out +In –In VC PC TM IL VH PR NC SG SC PRM-AL OS NC CD 100 μF Al-Electrolytic Reflected Ripple Measurement 2.37 k Ω + OUT – OUT 10 A Figure 5 — Input filter capacitor recommendation Electrical Specifications V•I Chip Pre-Regulator Module |
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