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PRM48AF480M400A00 Datasheet(PDF) 9 Page - Vicor Corporation

Part # PRM48AF480M400A00
Description  High Efficiency Converter
Download  44 Pages
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Manufacturer  VICOR [Vicor Corporation]
Direct Link  http://www.vicorpower.com
Logo VICOR - Vicor Corporation

PRM48AF480M400A00 Datasheet(HTML) 9 Page - Vicor Corporation

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Rev 1.4
PRMTM Regulator
Page 9 of 44
11/2015
vicorpower.com
800 927.9474
PRM48Ay480x400A00
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 < TINT < 125ºC; All Other specifications are at TINT = 25ºC unless otherwise noted.
Attribute
Symbol
Conditions / Notes
Min
Typ
Max
Unit
Powertrain Protections
Input Undervoltage Turn-ON
VIN_UVLO+
30.9
33.0
V
Input Undervoltage Turn-OFF
VIN_UVLO-
Instantaneous powertrain shutdown, detected after tBLANK
26.0
28.8
V
Input Undervoltage Hysteresis
VUVLO_HYST
(VIN_UVLO+) - (VIN_UVLO-)
1.9
2.2
2.4
V
Input Overvoltage Turn-ON
VIN_OVLO-
79.6
82.9
V
Input Overvoltage Turn-OFF
VIN_OVLO+
Instantaneous powertrain shutdown, detected after tBLANK
84.6
88.8
V
Input Overvoltage Hysteresis
VOVLO_HYST
(VIN_OVLO+) - (VIN_OVLO-)
1.6
2.0
2.4
V
Output Overvoltage Threshold
VOUT_OVP+
Instantaneous shutdown, detected after tPROT
56.0
58.3
60.1
V
Minimum Current Limited Vout
VOUT_UVP
12
V
Overtemperature Shutdown Setpoint
TINT_OTP
Instantaneous shutdown, detected after tPROT
125
ºC
Output Power Limit
PPROT
400
W
Short Circuit VOUT Threshold
VSC_VOUT
8.8
V
Short Circuit VOUT Recovery Threshold
VSC_VOUTR
9.5
V
Short Circuit CONTROL NODE Threshold
VSC_VCN
7.2
V
Short Circuit CONTROL NODE
VSC_VCNR
6.9
V
Recovery Threshold
Short Circuit Timeout
tSC
Short circuit fault detected after VSC_VOUT
and VSC_VCN thresholds persist for this time
5
ms
Short Circuit Recovery Time
tSCR
Excludes tOFF
75
ms
Overcurrent (IFB) and
tBLANK
50
120
150
µs
Input Over/Undervoltage Blanking Time
Overtemperature, Output Overvoltage
and ENABLE Shutdown Response Time
tPROT
2
µs
(Hardware)
Powertrain Supervisory Limits
Input Undervoltage Turn-ON
VIN_UVLO+_SUPV
33.8
34.9
V
(Supervisory)
Input Undervoltage Turn-OFF
VIN_UVLO-_SUPV
Powertrain shutdown, detected after tLIM_SUPV
30.5
31.8
V
(Supervisory)
Input Undervoltage Hysteresis
VUVLO_HYST_SUPV (VIN_UVLO+_SUPV) - (VIN_UVLO-_SUPV)
1.6
2.0
2.1
V
(Supervisory)
Input Overvoltage Turn-ON
VIN_OVLO-_SUPV
75.6
78.8
V
(Supervisory)
Input Overvoltage Turn-OFF
VIN_OVLO+_SUPV
Powertrain shutdown, detected after tLIM_SUPV
80.3
82.7
V
(Supervisory)
Input Overvoltage Hysteresis
VOVLO_HYST_SUPV (VIN_UVLO+_SUPV) - (VIN_UVLO-_SUPV)
1.2
1.5
1.8
V
(Supervisory)
Undertemperature Shutdown Setpoint
TINT_UTP
T Grade
-40
ºC
(Supervisory)
M Grade
-55
ºC
Supervisory Limit Response Time
tLIM_SUPV
150
µs


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