P036F048T12AL
PRM
TM
PRM
Regulator
• 36 V input V•I ChipTM PRM
• Adaptive Loop feedback
• ZVS buck-boost regulator
• 1.35 MHz switching frequency
• 95% Efficiency
©
• Vin range 18 – 60 Vdc
• High density – 407 W/in3
• Small footprint – 1.1 in2
• Low weight – 0.5 oz (15 g)
Vin = 18 – 60 Vdc
Vf = 26 – 55 Vdc
Pf = 120 W
• 125˚C operation (Tj)
If = 2.5 A
Product Description
Absolute Maximum Ratings
The V•I Chip regulator 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 VTMTM Transformer — fast,
efficient, isolated, low noise Point-of-Load (POL)
converters. In combination, PRMs and VTMsTM form a
complete DC-DC converter subsystem offering all of the
unique benefits of Vicor’s Factorized Power
Parameter
+In to -In
Values
Unit
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
mA
Adc
W
Notes
-1.0 to 85.0
-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
PC to -In
PR to -In
IL to -In
VC to -In
+Out to -Out
SC to -Out
ArchitectureTM (FPA)TM: high density and efficiency; low
noise operation; architectural flexibility; extremely fast
transient response; and elimination of bulk capacitance
at the Point-of-Load (POL).
VH to -Out
OS to -Out
CD to -Out
SG to -Out
In FPA systems, the POL voltage is the product of the
Factorized Bus voltage delivered by the PRM and the
"K-factor" (the fixed voltage transformation ratio) of a
downstream VTM. The PRM controls the Factorized Bus
voltage to provide regulation at the POL. Because VTMs
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
Continuous output current
Continuous output power
2.5
120
225
245
°C
°C
MSL 5
MSL 6
Case temperature during reflow
Operating junction temperature
Storage temperature
-40 to 125
-40 to 125
°C
°C
T-Grade
T-Grade
distribution losses and enabling use of narrower
distribution bus traces. A PRM-VTM 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 can
be located, or "factorized," remotely from the POL,
these power densities can be effectively doubled.
DC-DC Converter
VH
SC
SG
OS
NC
CD
VC
P C
TM
IL
+Out
+Out
Factorized
Bus (VF)
+In
0.01 µF
L
NC
P R
ROS
RCD
PRM™ -AL
Module
10 kΩ
TM
O
A
D
VTM™
Module
VC
PC
+In
+Out
0.4 µH
The PRM 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.
– Out
VIN
10 Ω
K
Ro
– In
–In
–Out
– Out
The P036F048T12AL is used with any 048 input series VTM to provide a regulated and
isolated output.
vicorpower.com
800-735-6200
V•I Chip Regulator
P036F048T12AL
Rev. 1.9
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