B048F480T30-EB【PDF 1/12 页】EVAL BOARD 48V OUT 300W SMD

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Not Recommended for New Designs - Replaced by BCM48Bx480y300A00

BCM ? Bus Converter

B048F480T30

B 048 F 480 M 30

NRTL

Narrow Input Range Sine Amplitude Converter?

? 48 V to 48 V VI Chip ? Bus Converter

? 300 Watt (450 Watt for 1 ms)

? High density – 1017 W/in 3

? Typical efficiency 96%

? 125°C operation (T J )

? <1 μs transient response

V IN = 38.0 - 55 V

V OUT = 38.0 - 55.0 V

I OUT = 6.3 A

R OUT = 210.0 m ? max

? Small footprint – 260 W/in 2

? Low weight – 0.5 oz (15 g)

? 3.5 million hours MTBF

? No output filtering required

K= 1

? ZVS / ZCS isolated Sine

Amplitude Converter?

Product Description

Absolute Maximum Ratings

The VI Chip ? bus converter is a high efficiency (>96%),

narrow input range Sine Amplitude Converter TM (SAC TM )

operating from a 38.0 to 55 Vdc primary bus to deliver

an isolated 38.0 V to 55.0 V secondary. The bus

converter may be used to power non-isolated POL

converters or as an independent 38.0 – 55.0 V source.

Due to the fast response time and low noise of the bus

converter, the need for limited life aluminum electrolytic

or tantalum capacitors at the load is reduced—or

eliminated—resulting in savings of board area, materials

and total system cost.

The bus converter achieves a power density of 1017 W/in 3

in a VI Chip package compatible with standard pick-and-

place and surface mount assembly process. The

Parameter

+In to -In

PC 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

-0.5 to 60.0

2,250

8.2

9.4

300

450

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

VI Chip package provides flexible thermal management

through its low junction-to-board and junction-to-case

thermal resistance. Owing to its high conversion

efficiency and safe operating temperature range, the bus

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

converter does not require a discrete heat sink in typical

applications. Low junction-to-case and junction-to-lead

thermal impedances assure low junction temperatures

and long life in the harshest environments.

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

Bus Converter

048

Input Voltage

Designator

480

Output Voltage

Designator

Output Power

Designator

(=V OUT x10)

(=P OUT /10)

Configuration

Product Grade Temperatures (°C)

BCM ? Bus Converter

Page 1 of 12

Rev 3.4

01/2014

F = J-lead

T = Through hole

vicorpower.com

800 927.9474

Grade

Storage

-40 to125

-65 to 125

Operating (T J )

-40 to125

-55 to 125

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