rev.

page

date

DESCRIPTION:

DC/DC converter

2 of 3

09/2007

20050

phone 503.612.2300 fax 503.612.2382

PART NUMBER:

VDZ330 series

INPUT

specification

typical

range

units

input voltage range

12V

9~18

Vdc

24V

18~36

Vdc

48V

36~72

Vdc

18V

9~36

Vdc

48V

18-72

Vdc

input reversal protection

protected if an external input fuse is installed.

remote on/off control

min. of 5.5 V to turn on, max of 1.2V to turn off.

unit defaults to normal output if control pin is not used.

OUTPUT

specification

min.

typ.

max.

units

voltage accuracy

±1%

ripple and noise(@ 20MHz bandwidth)

<1%

mVpp

line regulation

±0.2%

load regulation

±0.4%

temperature coefficient

±0.01

%/°C

transient response (25%-50%-25% & 50%-75%-50%)

200

µs

GENERAL SPECIFICATIONS

specification

min.

typ.

max.

units

switching frequency

160K

180K

200K

Hz

isolation resistance

200M

Ω

MTBF

200K

hours

isolation voltage

input-output

1000

Vdc

input-case

1000

Vdc

output-case

1000

Vdc

ENVIRONMENTAL SPECIFICATIONS

specification

min.

typ.

max.

units

case temperature

(industrial grade)

-25

+85

°C

(military grade I)

-40

+85

°C

(military grade II)

-55

+85

°C

storage temperature (industrial grade)

-45

+105

°C

(military grade)

-55

+105

°C

case humidity

(non-condensing)

5%

85%

RH

storage humidity

(non-condensing)

5%

95%

RH

THERMAL CHARACTERISTICS

cooling method

thermal impedance

natural convection

4.38°C/W

0.5 (M/S)

1.64 (LF/S)

3.65°C/W

1.0 (M/S)

3.28 (LF/S)

2.72°C/W

1.5 (M/S)

4.92 (LF/S)

1.98°C/W

2.0 (M/S)

6.56 (LF/S)

1.64°C/W