For the most current data and application support visit www.artesyn.com/powergroup/products.htm

N

No

otte

es

s

1

di/dt = 0.1 A/µs, Vin = 48 Vdc, Tc = 25 °C, load change = 0.5 lo max.

to 0.75 lo max. and 0.75 lo max. to 0.5 lo max.

2

The EXB250 meets level A and level B conducted emissions only with

external components connected before the input pins to the converter.

See Application Note 119.

3

Recommended input fusing is a 10 A HRC 200 V rated fuse.

4

This product is only for inclusion by professional installers within other

equipment and must not be operated as a stand alone product.

5

Measured with no external Pi filter. Significant reduction possible with

external filter. See Application Note 119.

6

Start-up into resistive load.

7

For the pin length of Modified Standard products please consult the

factory.

8

The ‘J’ suffix indicates that these parts are Pb-free (RoHS 6/6) compliant.

TSE RoHS 5/6 (non Pb-free) compliant versions may be available on

special request, please contact your local sales representative for details.

9

NOTICE: Some models do not support all options. Please contact your

local Artesyn representative or use the on-line model number search tool at

http://www.artesyn.com/powergroup/products.htm to find a suitable

alternative.

CAUTION: Hazardous internal voltages and high temperatures.

Ensure that unit is not user accessible.

PROTECTION

Short circuit

Continuous

Overvoltage

Non-latching clamp

TELECOM SPECIFICATION

Central office interface A

ETS300-132-2 input voltage

and current requirements

EXB250 Series

Single output

DC-DC CONVERTERS

72-165 W High Efficiency DC-DC Converters

2

File Name: exb250s.pdf Rev (02): 06 Dec 2005

OUTPUT

INPUT

OVP

OUTPUT

OUTPUT

OUTPUT

EFFICIENCY

REGULATION

MODEL

POWER

VOLTAGE

VOLTAGE

CURRENT

CURRENT

(TYP.)

LINE

LOAD

NUMBER

(8,9)

(MAX.)

(MIN.)

(MAX.)

72 W

33-75 Vdc

1.44 Vdc

1.2 V

0 A

60 A

84.0%

±0.2%

±0.2%

EXB250-48S1V2J

90 W

33-75 Vdc

1.8 Vdc

1.5 V

0 A

60 A

85.5%

±0.1%

±0.2%

EXB250-48S1V5J

108 W

33-75 Vdc

2.2 Vdc

1.8 V

0 A

60 A

87.0%

±0.1%

±0.2%

EXB250-48S1V8J

150 W

33-75 Vdc

3 Vdc

2.5 V

0 A

60 A

88.0%

±0.1%

±0.2%

EXB250-48S2V5J

165 W

33-75 Vdc

4 Vdc

3.3 V

0 A

50 A

90.0%

±0.1%

±0.2%

EXB250-48S3V3J

165 W

33-75 Vdc

6 Vdc

5 V

0 A

33 A

91.7%

±0.1%

±0.2%

EXB250-48S05J

165 W

33-75 Vdc

14.4 Vdc

12 V

0 A

13.75 A

92.0%

±0.1%

±0.2%

EXB250-48S12J

EXB250-48S1V2-ZRNJ

Part Number System with Options

EX = Open Frame, Through Hole

B = 1/2 Brick

Output Wattage Class

250 = 250 Watts

Input Voltage

48 = 48 Volts (33 Vdc to 75 Vdc range)

Number of Outputs

S = Single

Control Logic

Blank = Positive

R = Negative

Output Voltage

1V2 = 1.2 V, 1V5 = 1.5 V etc

Pin Length of Standard Product

Blank = 0.210 ” (5.33 mm)

Pin Length of Modified Standard Products

N = 0.145 ” (3.68 mm)

K = 0.110 ” (2.79 mm)

J = Pb-free (RoHS 6/6 compliant)

Blank = Standard Product

Z = Zero Undershoot,

Soft Turn-off Characteristic

(Applies to 1.5 V, 1.8 V,

2.5 V and 3.3 V models only)