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NBM6123X60E12A7YZZ Datasheet(PDF) 6 Page - Vicor Corporation |
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NBM6123X60E12A7YZZ Datasheet(HTML) 6 Page - Vicor Corporation |
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6 / 26 page  NBM™ Bus Converter Rev 1.4 vicorpower.com Page 6 of 26 09/2016 800 927.9474 NBM6123x60E12A7yzz Electrical Specifications (Cont.) Specifications apply over all line and load conditions, unless otherwise noted; Boldface specifications apply over the temperature range of -40°C ≤ TINTERNAL ≤ 125°C (T-Grade); All other specifications are at TINTERNAL = 25ºC unless otherwise noted. Attribute Symbol Conditions / Notes Min Typ Max Unit General Powetrain PRIMARY to SECONDARY Specification (Forward Direction) Cont. Effective Primary Capacitance (Internal) CPRI_INT Effective Value at 54VPRI_DC 16.80 µF Effective Secondary Capacitance (Internal) CSEC_INT Effective Value at 10.8VSEC_DC 140 µF Effective Secondary Output Capacitance (External) CSEC_OUT_EXT Excessive capacitance may drive module into SC protection 3000 µF Effective Secondary Output Capacitance (External) CSEC_OUT_AEXT CSEC_OUT_AEXT Max = N * 0.5 * CSEC_OUT_EXT MAX, where N = the number of units in parallel Protection PRIMARY to SECONDARY (Forward Direction) Auto Restart Time tAUTO_RESTART Startup into a persistent fault condition. Non-Latching fault detection given VPRI_DC > VPRI_UVLO+ 940 1010 ms Primary Overvoltage Lockout Threshold VPRI_OVLO+ 63 66 69 V Primary Overvoltage Recovery Threshold VPRI_OVLO- 60 63 66 V Primary Overvoltage Lockout Hysteresis VPRI_OVLO_HYST 3 V Primary Overvoltage Lockout Response Time tPRI_OVLO 30 µs Primary Undervoltage Lockout Threshold VPRI_UVLO- 28 30 32 V Primary Undervoltage Recovery Threshold VPRI_UVLO+ 32 34 36 V Primary Undervoltage Lockout Hysteresis VPRI_UVLO_HYST 4 V Primary Undervoltage Lockout Response Time tPRI_UVLO 100 µs Primary Undervoltage Startup Delay tPRI_UVLO+_DELAY From VPRI_DC = VPRI_UVLO+ to powertrain active, EN floating, (i.e One time Startup delay from application of VPRI_DC to VSEC_DC) 30 ms Primary Soft-Start Time tPRI_SOFT-START From powertrain active. Fast Current limit protection disabled during Soft-Start 1 ms Secondary Output Overcurrent Trip Threshold ISEC_OUT_OCP 201 220 250 A Secondary Output Overcurrent Response Time Constant tSEC_OUT_OCP Effective internal RC filter 4 ms Secondary Output Short Circuit Protection Trip Threshold ISEC_OUT_SCP 250 A Secondary Output Short Circuit Protection Response Time tSEC_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 VPRI_DC > VPRI_UVLO+ 3 s |
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