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MP028F036M12AL Datasheet Preview

MP028F036M12AL Datasheet

Non-isolated Regulator

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PRMRegulator 28 Vdc Input
MIL-COTS
MP028F036M12AL
S
C NRTL US
Non-isolated Regulator
Features
• VIN range 16 – 50 Vdc
• High density – 407 W/in3
• Small footprint – 108 W/in2
• Low weight – 0.5 oz (15 g)
• Surface-mount or
Through-hole package
• Adaptive Loop feedback
• ZVS buck-boost regulator
• 1.3 MHz switching frequency
• 95% efficiency
• -55 °C to 125 °C operation (TJ)
VIN = 16 – 50 V
VOUT = 26 – 50 V
POUT = 120 W
IOUT = 3.3 A
©
Product Description
The PRMregulator is a very efficient non-isolated
regulator capable of both boosting and bucking a wide
range input voltage. It is specifically designed to provide
a controlled Factorized Bus distribution voltage for
powering downstream VTMcurrent multiplier — fast,
efficient, isolated, low noise Point-of-Load (POL)
converters. In combination, PRM modules and VTM
modules form a complete DC-DC converter subsystem
offering all of the unique benefits of Vicor’s Factorized
Power ArchitectureTM (FPATM) : high density and
efficiency; low noise operation; architectural flexibility;
extremely fast transient response; and elimination of
bulk capacitance at the Point-of-Load (POL).
In FPA systems, the POL voltage is the product of the
Factorized Bus voltage delivered by the PRM module
and the "K-factor" (the fixed voltage transformation
ratio) of a downstream VTM module. The PRM
regulator controls the Factorized Bus voltage to provide
regulation at the POL. Because VTM modules perform
true voltage division and current multiplication, the
Factorized Bus voltage may be set to a value that is
substantially higher than the bus voltages typically
found in "intermediate bus" systems, reducing
distribution losses and enabling use of narrower
distribution bus traces. A Military PRM module-VTM
module chip set can provide up to 100 A or 115 W at a
FPA system density of 169 A/in3 or 195 W/in3 — and
because the PRM module can be located, or
"factorized," remotely from the POL, these power
densities can effectively be doubled.
The Military PRM module described in this data sheet
features a unique "Adaptive Loop" compensation
feedback: a single wire alternative to traditional remote
sensing and feedback loops that enables precise control
of an isolated POL voltage without the need for either a
direct connection to the load or for noise sensitive,
bandwidth limiting, isolation devices in the feedback
path.
Absolute Maximum Ratings
Parameter
+In to -In
PC to -In
PR to -In
IL to -In
VC to -In
+Out to -Out
SC to -Out
VH to -Out
OS to -Out
CD to -Out
SG to -Out
Continuous output current
Continuous output power
Values
-1.0 to 60.0
-0.3 to 6.0
-0.3 to 9.0
-0.3 to 6.0
-0.3 to 18.0
-0.3 to 59
-0.3 to 3.0
-0.3 to 9.5
-0.3 to 9.0
-0.3 to 9.0
100
3.3
120
Case temperature during reflow
245
Operating junction temperature
Storage temperature
-40 to 125
-40 to 125
DC-DC Converter
Unit
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
mA
Adc
W
°C
°C
°C
Notes
MSL 4
(Datecode 1528
and later)
T-Grade
T-Grade
VIN
0.01 µF
10 kΩ
VC VH
P C SC
T M SG
IL OS
NC
P R PRM® -AL
NC
CD
Module
+In +Out
ROS
RCD
–In –Out
Factorized
Bus (VF)
0.4 µH
10 Ω
+Out
+In
+Out
TM VTM®
VC
PC
Module
– Out
K
Ro– In
– Out
L
O
A
D
The MP028F036M12AL is used with any 036 input series VTMmodule to provide a
regulated and isolated output.
PRMRegulator 28 Vdc Input
Page 1 of 14
Rev 3.8
08/2015
vicorpower.com
800 927.9474




Vicor

MP028F036M12AL Datasheet Preview

MP028F036M12AL Datasheet

Non-isolated Regulator

No Preview Available !

General Specifications
Part Numbering
MP 028
F
Regulator
Input Voltage
Designator
Configuration
F = J-lead
T = Through hole
MP028F036M12AL
036
M
12 AL
Nominal
Factorized Bus
Voltage
Product Grade Temperatures (°C)
Grade Storage Operating (TJ)
T -65 to125 -55 to125
Output Power
Designator
(=Pf /10)
AL = Adaptive Loop
Overview of Adaptive Loop Compensation
Adaptive Loop compensation, illustrated in Figure 1, contributes to the
bandwidth and speed advantage of Factorized Power. The PRM
monitors its output current and automatically adjusts its output voltage
to compensate for the voltage drop in the output resistance of the
VTM. ROS sets the desired value of the VTM output voltage, Vout; RCD
is set to a value that compensates for the output resistance of the VTM
(which, ideally, is located at the point of load). For more information
on configuring a PRM & VTM pair for adaptive loop, please see
AN:024 “Accurate Point of Load Voltage Regulation Using Simple
Adaptive Loop Feedback.”
The VI Chip’s bi-directional VC port :
1. Provides a wake up signal from the PRM to the VTM that
synchronizes the rise of the VTM output voltage to that of the PRM.
2. Provides feedback from the VTM to the PRM to enable the PRM to
compensate for the voltage drop in VTM output resistance, RO.
VIN
0.01 µF
10 kΩ
VC VH
P C SC
T M SG
IL OS
NC
P R PRM® -AL
NC
CD
Module
+In +Out
ROS
RCD
–In –Out
Factorized
Bus (VF)
0.4 µH
10 Ω
+Out
+In
+Out
TM VTM®
VC
PC
Module
– Out
K
Ro– In
– Out
L
O
A
D
Figure 1 — With Adaptive Loop control, the output of the VTM is regulated over the load current range with only a single interconnect between the PRM and
VTM and without the need for isolation in the feedback path.
PRMRegulator 28 Vdc Input
Page 2 of 14
Rev 3.8
08/2015
vicorpower.com
800 927.9474


Part Number MP028F036M12AL
Description Non-isolated Regulator
Maker Vicor
Total Page 14 Pages
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