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PI33XX-01 Datasheet(PDF) 9 Page - Vicor Corporation |
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PI33XX-01 Datasheet(HTML) 9 Page - Vicor Corporation |
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9 / 26 page  vicorpower.com Rev 1.1 Cool-Power ® 800 735.6200 11/2012 Page 9 of 26 PI33XX-X1 PI3318-X1 (1.8 Vout) Electrical Characteristics Specifications apply for -40C < TJ < 125C, Vin =24V, L1=125nH (Note 1) unless other conditions are noted. Parameter Symbol Min Typ Max Units Conditions Input Specifications Input Voltage VIN_DC 8 24 36 V Input Current IIN_DC 1.25 A Iout=15A Input Current At Output Short (fault condition duty cycle) IIN_Short 45 mA Input Quiescent Current IQ_VIN 2 2.5 mA Disabled Enabled (no load) Input Voltage Slew Rate VIN_SR 1 V/μs Output Specifications Output Voltage Total Regulation VOUT_DC 1.776 1.8 1.823 V Note 2. Output Voltage Trim Range VOUT_DC 1.4 1.8 2.0 V Note 3. Line Regulation ∆VOUT(∆VIN) 0.1 % @25°C, 8V<Vin<36V Load Regulation ∆VOUT(∆IOUT) 0.1 % @25°C, 0.5A<Iout<15A Output Voltage Ripple VOUT_AC 30 mVp-p Iout=5A, Cout=8x100μF, 20MHz BW Note 4. Continuous Output Current Range IOUT_DC 15 A Current Limit IOUT_CL 16.5 A Protection UVLO Start Threshold VUVLO_START 7.20 7.60 8.00 V UVLO Stop Threshold VUVLO_STOP 6.90 7.25 7.60 V UVLO Hysteresis VUVLO_HYS 4 5 6 % OVLO Threshold VOVLO 37 38.4 V OVLO Hysteresis VOVLO_HYS 0.77 V UVLO/OVLO Fault Delay Time tf_DLY 128 Cycles Number of the switching frequency cycles UVLO/OVLO Response Time tf 500 ns +1% overdrive Output Over Voltage Protection VOVP 20 % Above VOUT Over-Temperature Fault Threshold TOTP 130 135 140 °C Over-Temperature Restart Hysteresis TOTP_HYS 30 °C Note 1: All parameters reflect regulator and inductor system performance. Measurements were made using a standard PI33XX evaluation board with 3x4” dimensions and 4 layer, 2oz copper. Refer to inductor pairing table within Application Description section for specific inductor manufacturer and value. Note 2: Regulator is assured to meet performance specifications by design, test correlation, characterization, and/or statistical process control. Note 3: Output current capability may be limited and other performance may vary from noted electrical characteristics when switching frequency or Vout is modified. Note 4: Refer to Output Ripple plots. Note 5: Refer to Load Current vs. Ambient Temperature curves. Note 6: Refer to Switching Frequency vs. Load current curves. |
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