Datasheet > V48A12C250B

V48A12C250B

更新时间： 2024-02-29 17:30:30

品牌	Logo	应用领域
VICOR		转换器
页数	文件大小	规格书
8页	181K
描述
48Vin / 12Vout / 250Watts DC-DC Converter Module

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V48A12C250B 数据手册

48Vin / 12Vout / 250Watts

• DC input range: 36 - 75V

• Input surge withstand: 100V for 100ms

• DC output: 12V

DC-DC Converter Module

Model Number V48B12C250B

Features

• Programmable output: 10 to 110%

• Regulation: ±0.2%

• Efficiency: 87%

• Maximum operating temperature:

100°C at full load

• Power density: 100W/cubic inch

• Height above board: 0.43 in. (10,9 mm)

• Parallelable, with N+M fault tolerance

• Low noise ZCS/ZVS architecture

Typical Applications: telecommunications

and distributed power systems

Shown actual size:

2.28 x 2.2 x 0.5 in

57,9 x 55,9 x 12,7 mm

Product Overview

This DC-DC converter module uses

2nd Generation power processing, control

and packaging technologies to provide the

performance, flexibility and cost effectiveness

expected of a mature power component.

For example, a plated-cavity core transformer

couples widely separated primary and

secondary windings, resulting in low in-to-

out parasitic capacitance and noise.

High frequency ZCS/ZVS switching,

advanced power semiconductor packaging

and thermal management provide high

power density with low temperature

gradients. Extensive use of silicon

integration results in 1/3 the part count

of a 1st Generation converter.

Absolute Maximum Ratings

Parameter

Rating

-0.5 to +75

100

Unit

Vdc

Notes

+In to –In voltage

Vdc

<100ms

PC to –In voltage

-0.5 to +7.0

-0.5 to +16.1

1.0

Vdc

PR to –In voltage

Vdc

+Out to –Out voltage

+Sense to –Out voltage

–Sense to –Out voltage

SC to –Out voltage

Vdc

-0.5 to +1.5

2000

Vdc

Isolation voltage (in to out)

Isolation voltage (in to base)

Isolation voltage (out to base)

Storage temperature (C–Grade)

Vrms

°C

1550

500

Part Numbering

See part numbering chart on this

page for other product grades.

-40 to +125

V 48 B 15 C 250 B

Output

Operating temperature (C–Grade) -20 to +100

°C

Baseplate

Pin soldering temperature

Mounting torque

500 (260)

750 (390)

5 (0.57)

°F (°C)

in-lbs (N-m)

<5 sec; wave solder

<7 sec; hand solder

6 each, # 4-40 or M3

Style

Output

Power

Input Voltage

Voltage

24=24Vin

48=48Vin

Base-

plate

Product Grade Temperatures (°C)

300=300Vin

375=375Vin

Grade

Storage

Operating

20 to +100

40 to +100

55 to +100

40 to +125

55 to +125

65 to +125

A = Maxi

B = Mini

C = Micro

Thermal Resistance and Capacity

For pin styles see page 6. Slotted baseplate

(style 1) requires no designator. For

threaded baseplate add a “2” to the end of

the part number. For thru-hole, add a “3”.

See page 7 for dimensions.

Parameter

Min

Typ

0.16

0.14

8.0

Max

Unit

°C/Watt

Baseplate to sink; flat, greased surface

Baseplate to sink; thermal pad (P/N 20264)

Baseplate to ambient

°C/Watt

Baseplate to ambient; 1000 LFM

Thermal capacity

1.9

°C/Watt

Watt-sec/°C

Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715

V48B12C250B DC-DC Converter

Rev. 2

Page 1 of 8

Set your site on VICOR at www.vicorpower.com

12 3 4 5 6 7 8

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