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B048T320M30A Datasheet(PDF) 4 Page - Vicor Corporation |
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B048T320M30A Datasheet(HTML) 4 Page - Vicor Corporation |
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4 / 18 page  NotRecommendedforNewDesigns BCM® Bus Converter Rev 1.0 vicorpower.com Page 4 of 18 01/2014 800 927.9474 B048x320y30A 3.0 SIGNAL CHARACTERISTICS Specifications apply over all line and load conditions unless otherwise noted; Boldface specifications apply over the temperature range of -40°C < TC < 100°C (T-Grade); All other specifications are at TC = 25°C unless otherwise noted. SIGNAL TYPE STATE ATTRIBUTE SYMBOL CONDITIONS / NOTES MIN TYP MAX UNIT Regular PC voltage VPC 4.7 5.0 5.3 V Operation PC available current IPC_OP 2.0 3.5 5.0 mA ANALOG Standby PC source (current) IPC_EN 50 100 µA OUTPUT PC resistance (internal) RPC_INT Internal pull down resistor 50 150 400 k Ω Transition PC capacitance (internal) CPC_INT Section 7 1000 pF Start Up PC load resistance RPC_S To permit regular operation 60 k Ω Start Up PC time to start TON1 450 630 1300 ms Regular PC enable threshold VPC_EN 2.0 2.5 3.0 V Operation DIGITAL Standby PC disable duration TPC_DIS_T Minimum time before attempting re-enable 0 s INPUT / OUPUT PC threshold hysteresis VPC_HYSTER 50 mV Transition PC enable to VOUT time TON2 VIN = 48 V for at least TON1 ms 50 100 150 µs PC disable to standby time TPC-DIS 4 10 µs PC fault response time TFR_PC From fault to PC = 2 V 100 µs • The PC pin enables and disables the BCM. When held low, the BCM is disabled. • In an array of BCM modules, PC pins should be interconnected to synchronize start up and permit start up into full load conditions. • PC pin outputs 5 V during normal operation. PC pin internal bias level drops to 2.5 V during fault mode, provided VIN remains in the valid range. PRIMARY CONTROL : PC SIGNAL TYPE STATE ATTRIBUTE SYMBOL CONDITIONS / NOTES MIN TYP MAX UNIT TM voltage range VTM 2.12 4.04 V Regular TM voltage reference VTM_AMB TJ controller = 27°C 2.95 3.00 3.05 V ANALOG Operation TM available current ITM 100 µA OUTPUT TM gain ATM 10 mV/°C TM voltage ripple VTM_PP CTM = 0 pF, VIN = 48 V, IOUT = 6.3 A 120 200 mV DIGITAL Transition TM capacitance (external) CTM_EXT 50 pF OUTPUT TM fault response time TFR_TM From fault to TM = 1.5 V 10 µs (FAULT FLAG) Standby TM voltage VTM_DIS 0V TM pull down (internal) RTM_INT Internal pull down resistor 25 40 50 k Ω • The TM pin monitors the internal temperature of the controller IC within an accuracy of ±5°C. • Can be used as a "Power Good" flag to verify that the BCM module is operating. • Is used to drive the internal comparator for Overtemperature Shutdown. TEMPERATURE MONITOR : TM Reserved for factory use. No connection should be made to this pin. RESERVED : RSV |
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