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PRM48AH480M200A00 Datasheet(PDF) 9 Page - Vicor Corporation

Part # PRM48AH480M200A00
Description  High Efficiency Converter
Download  42 Pages
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Manufacturer  VICOR [Vicor Corporation]
Direct Link  http://www.vicorpower.com
Logo VICOR - Vicor Corporation

PRM48AH480M200A00 Datasheet(HTML) 9 Page - Vicor Corporation

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Rev 1.5
PRMTM Regulator
Page 9 of 42
11/2015
vicorpower.com
800 927.9474
PRM48AH480x200A00
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
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


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