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PRM48BH480T250A00 Datasheet, PDF (8/44 Pages) Vicor Corporation – PRM™ Regulator
PRM48BH480 X 250A00
ELECTRICAL CHARACTERISTICS
Specifications apply over all line and load conditions, and trim from 20 V to 55 V, unless otherwise noted;
Boldface specifications apply over the temperature range of -40ºC < TINT < 125ºC; All Other specifications are at TINT = 25ºC unless otherwise noted.
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 Vout Threshold
Short Circuit Vout 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)
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
VIN_UVLO+
VIN_UVLO-
VUVLO_HYST
VIN_OVLO+
VIN_OVLO-
VOVLO_HYST
VOUT_OVP+
VOUT_UVP
TINT_OTP
PPROT
VSC_VOUT
VSC_VOUTR
VSC_VCN
VSC_VCN
tSC
tSCR
tBLNK
POWERTRAIN PROTECTIONS
Instantaneous powertrain shutdown, detected after tBLNK
(VIN_UVLO+) - (VIN_UVLO-)
Instantaneous powertrain shutdown, detected after tBLNK
(VIN_OVLO+) - (VIN_OVLO-)
Instantaneous powertrain shutdown, detected after tBLNK
Instantaneous powertrain shutdown, detected after tBLNK
Short circuit fault detected after VSC_VOUT and VSC_VCN thresholds persist for this time
Excludes tOFF
tPROT
POWERTRAIN SUPERVISORY LIMITS
VIN_UVLO+_SUPV
Powertrain shutdown, after supervisory detection tLIM_SUPV
VIN_UVLO-_SUPV
Powertrain shutdown, after supervisory detection tLIM_SUPV
VUVLO_HYST_SUPV
(VIN_UVLO+_SUPV) - (VIN_UVLO-_SVPV)
VIN_OVLO+_SUPV
Powertrain shutdown after supervisory detection tLIM_SUPV
VIN_OVLO-_SUPV
Powertrain shutdown after supervisory detection tLIM_SUPV
VOVLO_HYST_SUPV
TINT_UTP
tLIM_SUPV
(VIN_OVLO+_SUPV) - (VIN_OVLO-_SUPV)
T Grade
M Grade
24.5
22.0
22.7
1.8
2.2
56.0
62.6
63.6
0.7
1.0
56.0
57.9
125
250
8.8
9.5
7.2
6.9
5
75
50
120
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
150
s
s
35.8
32.2
33.6
1.9
2.2
56.0
57.7
58.9
0.8
1.2
37.0
V
V
2.5
V
V
60.0
V
1.7
V
-40
ºC
-55
ºC
150
s
-8-
Rev. 1.0
11/2012