P036T048T12AL【PDF 1/14 页】V.I CHIP PRM REGULATOR 48V 120W

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P036F048T12AL

PRM

PRM TM

Regulator

? 36 V input V?I Chip TM PRM

? Adaptive Loop feedback

? Vin range 18 – 60 Vdc

? High density – 407 W/in 3

? ZVS buck-boost regulator

? 1.35 MHz switching frequency

Vin = 18 – 60 Vdc

? Small footprint – 1.1

in 2

? 95% Efficiency

V f = 26 – 55 Vdc

? Low weight – 0.5 oz (15 g)

? 125?C operation (Tj)

P f = 120 W

I f = 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 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

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

Case temperature during reflow

Operating junction temperature

Storage temperature

Values

-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

100

2.5

120

225

245

-40 to 125

Unit

Vdc

Adc

°C

Notes

MSL 5

MSL 6

T-Grade

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

DC-DC Converter

169 A/in 3 , or 195 W/in 3 — 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

0.01 μF

10 k Ω

V C

P C

T M

I L

N C

P R

PRM? -AL

Module

+I n +O u t

V H

S C

S G

O S

N C

C D

R OS

R CD

Factorized

Bus (V F )

0.4 μH

+In

+Out

VTM?

Module

– Out

"Adaptive Loop" compensation feedback: a single wire

alternative to traditional remote sensing and feedback

V IN

–I n

–O u t

10 Ω

– In

– Out

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.

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

Page 1 of 14

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