rev.

page

date

page

date

DESCRIPTION: dc-dc converter

1 of 3

02/2008

20050

phone

phone 503.612.2300 fax

fax 503.612.2382

PART NUMBER: VAT0.25-SMT Series

features

·SMT package

·internal SMD construction

·I/O isolation: 1000 V dc

·no heatsink required

·no external component required

·industry standard pinout

·temperature range: -40°C~+85°C

OUTPUT

parameter

conditions/description

min

nom

max

units

output power

0.25

W

voltage accuracy

see tolerance envelope graph

output ripple

@ 20MHz Bandwidth

50

75

mVpp

output noise

@ 20MHz Bandwidth

75

150

mVpp

line regulation

for Vin change of 1%(3.3V output)

±1.5

%

for Vin change of 1%

±1.2

%

load regulation

10% to 100% full load

3.3V output

15

20

%

5V output

10

15

%

9V output

6.5

15

%

12V output

6.0

15

%

15V output

6.0

15

%

temperature coefficient

100% full load

0.03

%/°C

switching frequency

100% load, nominal input(24V input)

700

KHz

100% load, nominal input(5V, 12V)

150

KHz

notes:

1.

Test ripple and noise by “parallel cable” method.

*V-Infinity reserves the right to make changes to its products or to discontinue any product or service without notice, and to advise customers to verify the most up-to-

date product information before placing orders. V-Infinity assumes no liability or responsibility for customer’s applications using V-Infinity products other than repair

or replacing (at V-I’s option) V-Infinity products not meeting V-I’s published specifications. Nothing will be covered outside of standard product warranty.

description

Designed to convert fixed

voltages into isolated voltages,

the VAT0.25-SMT series is well

suited for providing board-mount

local supplies in a wide range of

applications, including mixed

analog/digital circuits, test &

measurement equip.,

process/machine controls, data-

com/telecom fields, etc...

MODEL

input voltage

output voltage

output current

efficiency

nominal

range.

max.

min.

typ.

(V dc)

(V dc)

(V dc)

(mA)

(mA)

(%)

VAT0.25-S5-D3.3-SMT

5

4.5~5.5

±3.3

±38

±4

62

VAT0.25-S5-D5-SMT

5

4.5~5.5

±5

±25

±3

64

VAT0.25-S5-D9-SMT

5

4.5~5.5

±9

±14

±2

65

VAT0.25-S5-D12-SMT

5

4.5~5.5

±12

±11

±2

67

VAT0.25-S5-D15-SMT

5

4.5~5.5

±15

±9

±1

66

VAT0.25-S12-D5-SMT

12

10.8~13.2

±5

±25

±3

65

VAT0.25-S12-D9-SMT

12

10.8~13.2

±9

±14

±2

64

VAT0.25-S12-D12-SMT

12

10.8~13.2

±12

±11

±2

63

VAT0.25-S12-D15-SMT

12

10.8~13.2

±15

±9

±1

64

VAT0.25-S24-D5-SMT

24

21.6~26.4

±5

±25

±3

61

VAT0.25-S24-D9-SMT

24

21.6~26.4

±9

±14

±2

62

VAT0.25-S24-D12-SMT

24

21.6~26.4

±12

±11

±2

63

VAT0.25-S24-D15-SMT

24

21.6~26.4

±15

±9

±1

65

notes:

1.

All specifications measured at TA=25°C, humidity <75%, nominal input voltage and rated output load unless otherwise specified.

2.

Unbalanced load: ±5%