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PRM48AF480M400A00 Datasheet(PDF) 8 Page - Vicor Corporation |
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PRM48AF480M400A00 Datasheet(HTML) 8 Page - Vicor Corporation |
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8 / 45 page  - 8 - PRM48A x 480 y 400A00 Rev. 1.0 11/2012 ELECTRICAL CHARACTERISTICS Specifications apply over all line and load conditions, and trim from 20 V to 55 V, unless otherwise noted; Boldface specifications apply over the temperature range of -40ºC < TINT < 125ºC; All Other specifications are at TINT = 25ºC unless otherwise noted. POWERTRAIN PROTECTIONS Input Undervoltage Turn-ON VIN_UVLO+ 30.9 33.0 V Input Undervoltage Turn-OFF VIN_UVLO- Instantaneous powertrain shutdown, detected after tBLNK 26.0 28.8 V Input Undervoltage Hysteresis VUVLO_HYST (VIN_UVLO+) - (VIN_UVLO-) 1.9 2.2 2.4 V Input Overvoltage Turn-ON VIN_OVLO+ 79.6 82.9 V Input Overvoltage Turn-OFF VIN_OVLO- Instantaneous powertrain shutdown, detected after tBLNK 84.6 88.8 V Input Overvoltage Hysteresis VOVLO_HYST (VIN_OVLO+) - (VIN_OVLO-) 1.6 2.0 2.4 V Output Overvoltage Threshold VOUT_OVP+ Instantaneous powertrain shutdown, detected after tBLNK 56.0 58.3 60.1 V Minimum Current Limited Vout VOUT_UVP 12 V Overtemperature Shutdown Setpoint TINT_OTP Instantaneous powertrain shutdown, detected after tBLNK 125 ºC Output Power Limit PPROT 400 W Short Circuit Vout Threshold VSC_VOUT 8.8 V Short Circuit Vout Recovery Threshold VSC_VOUTR 9.5 V Short Circuit CONTROL NODE Threshold VSC_VCN 7.2 V Short Circuit CONTROL NODE Recovery Threshold VSC_VCN 6.9 V Short Circuit Timeout tSC Short circuit fault detected after VSC_VOUT and VSC_VCN thresholds persist for this time 5 ms Short Circuit Recovery Time tSCR Excludes tOFF 75 ms Overcurrent (IFB ), and Input Over/Undervoltage Blanking Time tBLNK 50 120 150 s Overtemperature, Output Overvoltage and ENABLE Shutdown Response Time (Hardware) tPROT 2 s POWERTRAIN SUPERVISORY LIMITS Input Undervoltage Turn-ON (Supervisory) VIN_UVLO+_SUPV Powertrain shutdown, after supervisory detection tLIM_SUPV 33.8 34.9 V Input Undervoltage Turn-OFF (Supervisory) VIN_UVLO-_SUPV Powertrain shutdown, after supervisory detection tLIM_SUPV 30.5 31.8 V Input Undervoltage Hysteresis (Supervisory) VUVLO_HYST_SUPV (VIN_UVLO+_SUPV) - (VIN_UVLO-_SVPV) 1.6 2.0 2.1 V Input Overvoltage Turn-ON (Supervisory) VIN_OVLO+_SUPV Powertrain shutdown after supervisory detection tLIM_SUPV 75.6 78.8 V Input Overvoltage Turn-OFF (Supervisory) VIN_OVLO-_SUPV Powertrain shutdown after supervisory detection tLIM_SUPV 80.3 82.7 V Input Overvoltage Hysteresis (Supervisory) VOVLO_HYST_SUPV (VIN_OVLO+_SUPV) - (VIN_OVLO-_SUPV) 1.2 1.5 1.8 V Undertemperature Shutdown Setpoint (Supervisory) TINT_UTP T Grade -40 ºC M Grade -55 ºC Supervisory Limit Response Time tLIM_SUPV 150 s |
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