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MPRM48NH480M250ARS Datasheet(PDF) 11 Page - Vicor Corporation |
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MPRM48NH480M250ARS Datasheet(HTML) 11 Page - Vicor Corporation |
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11 / 44 page  Rev 1.1 vicorpower.com MIL-COTS PRMTM Regulator Page 11 of 44 09/2015 800 927.9474 MPRM48NH480M250A00 SGND: Signal Ground • All control signals must be referenced to this pin, with the exception of VC • SGND is internally connected to -IN and -OUT Signal Type State Attribute Symbol Conditions / Notes Min Typ Max Unit Analog Input / Output Any Maximum Allowable ISGND -100 100 mA Current Signal Specifications (cont.) Specifications apply over all line and load conditions, TINT = 25ºC and output voltage from 20.0 V to 55.0 V, unless otherwise noted. Boldface specifications apply over the temperature range of -55ºC < TINT < 125ºC. TRIM • TRIM is used to select operating mode and trim the output voltage in Adaptive Loop Operation • Internal pullup to VCC_INT through 10 k Ω resistor • When pulled below 0.45 V during power up, Remote Sense / Slave Operation is selected • When allowed to pull up above 0.55 V during power up, Adaptive Loop Operation is selected • Operating mode is detected during power up and cannot be changed unless input power is cycled Signal Type State Attribute Symbol Conditions / Notes Min Typ Max Unit Internally Generated VCC_INT 3.20 3.28 3.36 V Normal VCC Operation Internal Pullup RTRIM_INT 0.5% tolerance resistor 9.83 10.00 10.18 k Ω Resistance to VCC_INT Analog Input Mode Detection tMODE_DETECT From ENABLE high to mode detected, 100 150 200 µs Delay after VIN first applied Mode Remote Sense Pull below this value during first Detect Enable Threshold VRS_MODE_EN start up after application of power to 0.45 V enable Remote Sense / Slave Operation Remote Sense Pull above this value during first Disable Threshold VRS_MODE_DIS start up after application of power to 0.55 V enable Adaptive Loop Operation |
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