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BCM48BF240T300A00 Datasheet(PDF) 6 Page - Vicor Corporation |
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BCM48BF240T300A00 Datasheet(HTML) 6 Page - Vicor Corporation |
6 / 20 page BCM® Bus Converter Rev 1.4 vicorpower.com Page 6 of 20 08/2016 800 927.9474 BCM48Bx240y300A00 Signal Characteristics 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. Primary Control: PC • 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 5V during normal operation. PC pin internal bias level drops to 2.5V during fault mode, provided VIN remains in the valid range. SIGNAL TYPE STATE ATTRIBUTE SYMBOL CONDITIONS / NOTES MIN TYP MAX UNIT ANALOG OUTPUT Regular Operation PC voltage VPC 4.7 5.0 5.3 V PC available current IPC_OP 2.0 3.5 5.0 mA Standby PC source (current) IPC_EN 50 100 µA PC resistance (internal) RPC_INT Internal pull down resistor 50 150 400 kΩ Transition PC capacitance (internal) CPC_INT 1000 pF Start Up PC load resistance RPC_S To permit regular operation 60 kΩ DIGITAL INPUT / OUTPUT Regular Operation PC enable threshold VPC_EN 2.0 2.5 3.0 V PC disable threshold VPC_DIS 1.95 V Standby PC disable duration TPC_DIS_T Minimum time before attempting re-enable 1 s Transition PC threshold hysteresis VPC_HYSTER 50 mV PC enable to VOUT time TON2 VIN = 48V 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 = 2V 100 µs Temperature Monitor: TM • 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. SIGNAL TYPE STATE ATTRIBUTE SYMBOL CONDITIONS / NOTES MIN TYP MAX UNIT ANALOG OUTPUT Regular Operation TM voltage range VTM 2.12 4.04 V TM voltage reference VTM_AMB TJ controller = 27°C 2.95 3.00 3.05 V TM available current ITM 100 µA TM gain ATM 10 mV/°C TM voltage ripple VTM_PP CTM = 0pF, VIN = 48V, IOUT = 12.5A 120 200 mV DIGITAL INPUT / OUTPUT Transition TM capacitance (external) CTM_EXT 50 pF TM fault response time TFR_TM From fault to TM = 1.5V 10 µs Standby TM voltage VTM_DIS 0 V TM pull down (internal) RTM_INT Internal pull down resistor 25 40 50 kΩ Reserved: RSV Reserved for factory use. No connection should be made to this pin. |
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