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PRM48BF480T500A00 Datasheet(PDF) 10 Page - Vicor Corporation |
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PRM48BF480T500A00 Datasheet(HTML) 10 Page - Vicor Corporation |
10 / 44 page Rev 1.4 PRMTM Regulator Page 10 of 44 11/2015 vicorpower.com 800 927.9474 PRM48By480x500A00 ENABLE • The ENABLE pin enables and disables the PRM • In PRM array configurations, ENABLE pins should be connected in order to synchronize start up • ENABLE is 5 V with 1.8 mA source capability during normal operation Signal Type State Attribute Symbol Conditions / Notes Min Typ Max Unit Normal ENABLE Voltage VENABLE 4.7 5.0 5.3 V Analog Output Operation ENABLE Current IENABLE_OP 1.8 mA Start up ENABLE Source Current IENABLE_EN After tOFF 90 µA Minimum Time to Start tOFF 13.0 15.0 17.0 ms Start up ENABLE VENABLE_EN 2.5 3.2 V Enable Threshold ENABLE VENABLE_DIS 0.97 2.40 V Digital Input / Output Standby Disable Threshold ENABLE RENABLE_EXT Resistance to SGND required 235 Ω Resistance (External) to disable the PRM Digital Output Fault ENABLE IENABLE_FAULT ENABLE voltage 1 V or above 4 mA Sink Current to SGND Signal Specifications 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 -40ºC < TINT < 125ºC (T-grade). VAUX: Auxillary Voltage Source • Intended to power auxiliary circuits • 9 V during normal operation with 5 mA source capability Signal Type State Attribute Symbol Conditions / Notes Min Typ Max Unit VAUX Voltage VVAUX 8.6 9.0 9.5 V Normal VAUX Current IVAUX 5 mA Operation IOUT = 0A, CVAUX_EXT = 0. Maximum VAUX Voltage Ripple VVAUX_PP specification includes powertrain 100 400 mV Analog Output operation in burst mode. VAUX Capacitance CVAUX_EXT 0.04 µF Transition (External) VAUX Fault Response tFR_VAUX From fault recognition to 30 µs Time VAUX = 1.5 V VC: VTM Control • Pulsed voltage source used to power and synchronize downstream VTM during start up • 14 V, 10 ms typical voltage pulse Signal Type State Attribute Symbol Conditions / Notes Min Typ Max Unit VC Voltage VVC_START Connected to VTM VC or equivalent, 13 14 18 V IVC = 115 mA, CVC = 3.2 uF Analog Output Start up VC Available Current IVC_START VC = 14 V, VIN > 20 V 200 mA VC Duration tVC 7 10 16 ms VC Slew Rate dVC/dt Connected to VTM or equivalent, IVC = 115 mA, CVC = 3.2 uF 0.02 0.25 V/µs ENABLE to VC Delay tENABLE-VC 20 µs |
Similar Part No. - PRM48BF480T500A00_15 |
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Similar Description - PRM48BF480T500A00_15 |
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