PRM48JH480X250A00 Datasheet, PDF (7/44 Pages) Vicor Corporation – Pin selectable operating mode

PRM48JH480x250A00
Electrical Specifications (cont.)
Specifications apply over all line and load conditions, and trim from 20.0 V to 55.0 V, unless otherwise noted; Boldface specifications apply over the
temperature range of -40ºC < T_INT < 125ºC; All Other specifications are at T_INT = 25ºC unless otherwise noted.
Attribute
Symbol
Conditions / Notes
Min
Typ
Max Unit
Input Undervoltage Turn-ON
Input Undervoltage Turn-OFF
Input Undervoltage Hysteresis
Input Overvoltage Turn-ON
Input Overvoltage Turn-OFF
Input Overvoltage Hysteresis
Output Overvoltage Threshold
Minimum Current Limited Vout
Overtemperature Shutdown Setpoint
Output Power Limit
Short Circuit V_OUT Threshold
Short Circuit V_OUT Recovery Threshold
Short Circuit CONTROL NODE Threshold
Short Circuit CONTROL NODE
Recovery Threshold
Short Circuit Timeout
Short Circuit Recovery Time
Overcurrent (IFB) and
Input Over/Undervoltage Blanking Time
Overtemperature, Output Overvoltage
and ENABLE Shutdown Response Time
(Hardware)
V_{IN_UVLO+}
V_{IN_UVLO-}
V_{UVLO_HYST}
V_{IN_OVLO-}
V_{IN_OVLO+}
V_{OVLO_HYST}
V_{OUT_OVP+}
V_{OUT_UVP}
T_{INT_OTP}
P_PROT
V_{SC_VOUT}
V_{SC_VOUTR}
V_{SC_VCN}
V_{SC_VCNR}
t_SC
t_SCR
t_BLANK
t_PROT
Powertrain Protections
Instantaneous powertrain shutdown, detected after t_BLANK
(V_{IN_UVLO+}) - (V_{IN_UVLO-})
Instantaneous powertrain shutdown, detected after t_BLANK
(V_{IN_OVLO+}) - (V_{IN_OVLO-})
Instantaneous shutdown, detected after t_PROT
22.0
1.8
56.0
0.7
56.0
Instantaneous shutdown, detected after t_PROT
125
250
Short circuit fault detected after V_SC__VOUT
and V_SC__VCN thresholds persist for this time
Excludes t_OFF
50
Input Undervoltage Turn-ON
(Supervisory)
Input Undervoltage Turn-OFF
(Supervisory)
Input Undervoltage Hysteresis
(Supervisory)
Input Overvoltage Turn-ON
(Supervisory)
Input Overvoltage Turn-OFF
(Supervisory)
Input Overvoltage Hysteresis
(Supervisory)
Undertemperature Shutdown Setpoint
(Supervisory)
Supervisory Limit Response Time
V_{IN_UVLO+_SUPV}
Powertrain Supervisory Limits
V_{IN_UVLO-_SUPV} Powertrain shutdown, detected after t_{LIM_SUPV}
V_{UVLO_HYST_SUPV} (V_{IN_UVLO+_SUPV}) - (V_{IN_UVLO-_SUPV})
V_{IN_OVLO-_SUPV}
V_{IN_OVLO+_SUPV} Powertrain shutdown, detected after t_{LIM_SUPV}
V_{OVLO_HYST_SUPV} (V_{IN_UVLO+_SUPV}) - (V_{IN_UVLO-_SUPV})
T_{INT_UTP}
t_{LIM_SUPV}
T Grade
M Grade
23.5
14.2
56.0
0.8
24.5
22.7
2.2
62.6
63.6
1.0
57.9
8.8
9.5
7.2
6.9
5
75
130
2
42.3
25.7
16.7
57.7
58.9
1.2
26.0
V
V
2.5
V
V
67.3
V
1.4
V
60.0
V
12
V
ºC
W
V
V
V
V
ms
ms
160
µs
µs
44.0
V
V
19.2
V
V
60.0
V
1.7
V
-40
ºC
-55
ºC
150
µs
PRM^TM Regulator
Page 7 of 44
Rev 1.2
11/2015
vicorpower.com
800 927.9474