page

date

DESCRIPTION: dc-dc converter

2 of 3

05/2008

20050

phone

phone 503.612.2300 fax

fax 503.612.2382

PART NUMBER: VWRBT2 Series

GENERAL SPECIFICATIONS

parameter

conditions/description

output short circuit protection

continuous

temperature rise at full load

15°C typ., 35°C max.

cooling

free air convection

operating temp. range

-40°C ~ +85°C

storage temp. range

-55°C ~ +125°C

reflow soldering temp.

245°C (for 10 seconds)

storage humidity range

≤95%

case material

plastic (UL94-V0)

MTBF

>1,000,000 hours

ISOLATION SPECIFICATIONS

parameter

conditions/description

min

nom

max

units

isolation voltage

flash tested for 1 minute

1500

V dc

isolation resistance

test at 500 V dc

1000

M

Ω

OUTLINE DIMENSIONS & RECOMMENDED LAYOUT PATTERN

9

10

16

8

7

1

9

10

16

+Vin

PIN

-Vout

Note: Unit: mm[inch]; Tolerance:

±0.25mm; All Pins on a 2.54mm .

Side View

Top View

FUNCTION

-Vin

1

NC

7

NC

8

+Vout

Pin Connections

PCB LAYOUT

23.9

[0.94]

1.0

[0.04]

0.5

[0.02]

3.0

[0.12]

15.2

[0.60]

2.5

[0.10]

15.0

[0.59]

12.7

[0.50]

17.5

[0.69]

0.8

[0.03]

2.5

[0.10]

15.2

[0.60]

RECOMMENDED REFLOW PROFILE