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NBM3814V46C15A6T08 Datasheet(PDF) 6 Page - Vicor Corporation |
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NBM3814V46C15A6T08 Datasheet(HTML) 6 Page - Vicor Corporation |
6 / 23 page NBM™ in a VIA Package Rev 1.1 vicorpower.com Page 6 of 23 05/2016 800 927.9474 NBM3814x46C15A6yzz Electrical Specifications (Cont.) Specifications apply over all line and load conditions, unless otherwise noted; Boldface specifications apply over the temperature range of -40°C ≤ TCASE ≤100°C (T-Grade); All other specifications are at TCASE = 25ºC unless otherwise noted. Attribute Symbol Conditions / Notes Min Typ Max Unit General Powertrain High Voltage Side to Low Voltage Side Specification (Forward Direction) Cont. Effective HI side Capacitance (Internal) CHI_INT Effective Value at 42VHI_DC 16.8 µF Effective LO Side Capacitance (Internal) CLO_INT Effective Value at 14VLO_DC 140 µF Effective LO Side Output Capacitance (External) CLO_OUT_EXT Excessive capacitance may drive module into SC protection 3000 µF Effective LO Side Output Capacitance (External) CLO_OUT_AEXT CLO_OUT_AEXT Max = N * 0.5 * CLO_OUT_EXT MAX, where N = the number of units in parallel Protection High Voltage Side to Low Voltage Side (Forward Direction) Auto Restart Time tAUTO_RESTART Startup into a persistent fault condition. Non-Latching fault detection given VHI_DC > VHI_UVLO+ 940 1010 ms HI Side Overvoltage Lockout Threshold VHI_OVLO+ 48 50 52 V HI Side Overvoltage Recovery Threshold VHI_OVLO- 46 48 50 V HI Side Overvoltage Lockout Hysteresis VHI_OVLO_HYST 2 V HI Side Overvoltage Lockout Response Time tHI_OVLO 30 µs HI Side Undervoltage Lockout Threshold VHI_UVLO- 28 30 32 V HI Side Undervoltage Recovery Threshold VHI_UVLO+ 30 32 34 V HI Side Undervoltage Lockout Hysteresis VHI_UVLO_HYST 2 V HI Side Undervoltage Lockout Response Time tHI_UVLO 100 µs HI Side Undervoltage Startup Delay tHI_UVLO+_DELAY From VHI_DC = VHI_UVLO+ to powertrain active, (i.e One time Startup delay form application of VHI_DC to VLO_DC) 30 ms HI Side Soft-Start Time tHI_SOFT-START From powertrain active. Fast Current limit protection disabled during Soft-Start 1 ms LO Side Output Overcurrent Trip Threshold ILO_OUT_OCP 177 200 240 A LO Side Output Overcurrent Response Time Constant tLO_OUT_OCP Effective internal RC filter 4 ms LO Side Output Short Circuit Protection Trip Threshold ILO_OUT_SCP 240 A LO Side Output Short Circuit Protection Response Time tLO_OUT_SCP 1 µs Overtemperature Shutdown Threshold tOTP+ Temperature sensor located inside controller IC 125 °C Overtemperature Recovery Threshold tOTP– 105 110 115 °C Undertemperature Shutdown Threshold tUTP Temperature sensor located inside controller IC; Protection not available for M-Grade units. -45 °C Undertemperature Restart Time tUTP_RESTART Startup into a persistent fault condition. Non-Latching fault detection given VHI_DC > VHI_UVLO+ 3 s |
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