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V048K015T80 Datasheet(PDF) 3 Page - Vicor Corporation |
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V048K015T80 Datasheet(HTML) 3 Page - Vicor Corporation |
3 / 20 page Vicor Corporation Tel: 800-735-6200 vicorpower.com V•I Chip Voltage Transformation Module Rev. 1.6 Page 3 of 20 45 PRELIMIN ARY Specifications, continued Parameter Min Typ Max Unit Note Rated DC current 0 80 A Peak repetitive current 120 A Max pulse width 1ms, max duty cycle 10%, baseline power 50% DC current limit 80 95 120 A Current share accuracy 5 10 % See Parallel Operation on page 11 Efficiency Half load 93.0 93.8 % See Fig.5 Full load 90.8 91.7 % See Fig.5 Internal output inductance 1.6 nH Internal output capacitance 300 µF Effective value Load capacitance 100,000 µF Output overvoltage setpoint 1.83 V Output ripple voltage No external bypass 47 70 mV See Figs.7 and 10 200µF bypass capacitor 2 mV See Fig.8 Average short circuit current 200 mA Effective switching frequency 2.5 3.0 3.6 MHz Fixed, 1.5 MHz per phase Line regulation K 0.0309 1/32 0.0316 VOUT=K•VIN at no load Load regulation ROUT 1.3 1.5 m Ω See Figs.9 and 27 Transient response Voltage undershoot 10 mV 0-80A load step with 100µF CIN; See Figs.11 and 12 Voltage overshoot 26 mV 80-0A load step with 100µF CIN Response time 200 ns See Figs.11 and 12 Recovery time 1 µs See Figs.11 and 12 Output overshoot Input turn-on 0 mV PC enable 0 mV Output turn-on delay From application of power 170 250 ms No output filter; See Fig.3 From release of PC pin 300 µs No output filter; See Fig.2 OUTPUT (Conditions are at nominal line, full load, and 25°C ambient unless otherwise specified) Efficiency vs. Output Current Output Current (A) 85 86 87 88 89 90 91 92 93 94 95 816 24 32404856 647280 Figure 5— Efficiency vs. output current at 1.5V VOUT Power Dissipation vs. Output Current Output Current (A) 0 2 4 6 8 10 12 816 24 32 40 485664 7280 Figure 6—Power dissipation as a function of output current at 1.5V VOUT OUTPUT WAVEFORMS |
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