V048F240T012-CB【PDF 1/11 页】VTM CURRENT MULTIPLIER EVAL BOAR

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Not Recommended for New Designs - Replaced by VTM48Ex240y012A00

VTM ? Current Multiplier

V048F240T012

V 048 F 240 M 012

NRTL

High Efficiency, Sine Amplitude Converter ?

? 48 V to 24 V VI Chip ? Converter

? 12.5 A (18.8 A for 1 ms)

? High density – 1017 W/in 3

? 125°C operation (T J )

? 1 μs transient response

? 3.5 million hours MTBF

V F = 28 - 53 V

V OUT = 13.8 - 26.5 V

I OUT = 12.5 A

R OUT = 60.0 m ? max

? Small footprint – 260 W/in 2

? Low weight – 0.5 oz (15 g)

? Typical efficiency 96%

? No output filtering required

K = 1/2

? Pick & Place / SMD

or Through hole

Product Description

Absolute Maximum Ratings

The V048F240T012 VI Chip ? current multiplier excels at

speed, density and efficiency to meet the demands of

advanced power applications while providing isolation

from input to output. It achieves a response time of less

than 1 μs and delivers up to 12.5 A in a volume of less

than 0.295 in 3 with unprecedented efficiency. It may be

paralleled to deliver higher power levels at an output

voltage settable from 13.8 to 26.5 Vdc.

The VTM V048F240T012’s nominal output voltage is

24 Vdc from a 48 Vdc input Factorized Bus, V F , and is

controllable from 13.8 to 26.5 Vdc at no load, and from

13.0 to 25.8 Vdc at full load, over a V F input range of 28

to 53 Vdc. It can be operated either open- or closed-loop

depending on the output regulation needs of the

Parameter

+In to -In

PC to -In

VC to -In

+Out to -Out

Isolation voltage

Output current

Peak output current

Output power

Peak output power

[a]

Case temperature during reflow

Values

-1.0 to 60

100

-0.3 to 7.0

-0.3 to 19.0

-0.5 to 50

2,250

12.5

18.8

323

484

225

245

Unit

Vdc

°C

Notes

For 100 ms

Input to output

Continuous

For 1 ms

Continuous

For 1 ms

MSL 5

MSL 6, TOB = 4 hrs

application. Operating open-loop, the output voltage

tracks its V F input voltage with a transformation ratio,

K = 1/2 , for applications requiring an isolated output

voltage with high efficiency. Closing the loop back to an

input PRM ? regulator or DC-DC converter enables tight

Operating junction temperature

Storage temperature

[b]

-40 to 125

-55 to 125

-40 to 125

-65 to 125

°C

T-Grade

M-Grade

T-Grade

M-Grade

load regulation.

The 24 V VTM module achieves a power density

of 1017 W/in 3 in a VI Chip package compatible with

standard pick-and-place and surface mount assembly

processes. The VTM modules fast dynamic response and

low noise eliminate the need for bulk capacitance at the

Notes:

[a] 245°C reflow capability applies to product with manufacturing date code 1001 and greater.

[b] The referenced junction is defined as the semiconductor having the highest temperature.

This temperature is monitored by a shutdown comparator.

Part Numbering

load, substantially increasing system density while

improving reliability and decreasing cost.

048

240

012

VTM?

Module

Input Voltage

Designator

Output Voltage

Designator

(=V OUT x10)

Output Current

Designator

(=I OUT )

Configuration

Product Grade Temperatures (°C)

F = J-lead

T = Through hole

Grade

Storage Operating (T J )

-40 to125 -40 to125

-65 to125 -55 to125

VTM ? Current Multiplier

Page 1 of 11

Rev 2.9

01/2014

vicorpower.com

800 927.9474

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