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參數資料
| 型號： | P048T048T12AL |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 120 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT PACKAGE-16 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 1457K |
| 代理商： | P048T048T12AL |
vicorpower.com
800-735-6200
VI Chip Regulator
P048F048T12AL
Rev. 2.8
Page 1 of 14
48 V input VI Chip
TM PRM
Vin range 36 – 75 Vdc
High density – 407 W/in3
Small footprint – 110 W/in2
Low weight – 0.5 oz (15 g)
Adaptive Loop feedback
ZVS buck-boost regulator
1.45 MHz switching frequency
96% Efficiency
125C operation (Tj)
P048F048T12AL
Vin = 36 – 75 V
Vf = 26 – 55 V
Pf = 120 W
If = 2.5 A
PRMTM
Regulator
Product Description
The VI 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 VTM
TM Transformer — fast,
efficient, isolated, low noise Point-of-Load (POL)
converters. In combination, PRMs and VTMs
TM form a
complete DC-DC converter subsystem offering all of the
unique benefits of Vicor’s Factorized Power
Architecture
TM (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).
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
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.
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.
Parameter
Values
Unit
Notes
+In to -In
-1.0 to 85.0
Vdc
PC to -In
-0.3 to 6.0
Vdc
PR to -In
-0.3 to 9.0
Vdc
IL to -In
-0.3 to 6.0
Vdc
VC to -In
-0.3 to 18.0
Vdc
+Out to -Out
-0.3 to 59
Vdc
SC to -Out
-0.3 to 3.0
Vdc
VH to -Out
-0.3 to 9.5
Vdc
OS to -Out
-0.3 to 9.0
Vdc
CD to -Out
-0.3 to 9.0
Vdc
SG to -Out
100
mA
Continuous output current
2.5
Adc
Continuous output power
120
W
Case temperature during reflow
225
°C
MSL 5
245
°C
MSL 6
Operating junction temperature
-40 to 125
°C
T-Grade
Storage temperature
-40 to 125
°C
T-Grade
-In
PC
VC
TM
+In
-Out
+Out
VTM
+Out
-Out
K
Ro
+Out
–Out
+In
–In
VC
PC
TM
IL
VH
PR
NC
SG
SC
PRM-AL
OS
NC
CD
Factorized
Bus (Vf)
Vin
Vout
The P048F048T12AL is used with any 048 input series VTM to provide a regulated and
isolated output.
DC-DC Converter
Absolute Maximum Ratings
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