EXB50 datasheet(2/3 Pages) EMERSON-NETWORKPOWER

2 / 3 page

Output can be externally trimmed

by using the method shown below.

PROTECTION

Short-circuit

Continuous

Over-voltage

Non-latching clamp

Thermal

120 ºC hot spot temperature with

automatic recovery

TELECOM SPECIFICATION

Central office interface A

ETS300-132-2, input voltage

and current requirements

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

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Measured as per recommended set-up. 150 mV pk-pk for EXB50-

48S12J.

di/dt = 0.1 A/µs, Vin = 24/48 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.

The EXB50 meets level A and level B conducted emissions only with

external components connected before the input pins to the converter.

Recommended input fusing is a 6.3 A HRC 200 V rated fuse on the 24 V

and 3.15 A HRC 200 V rated fuse on the 48 V.

This product is only for inclusion by professional installers within other

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

Simulated source impedance of 12 µH. 12 µH inductor in series with

+Vin.

Start-up into resistive load.

EXB50-24S2V0J model has 5.0% max. deviation and 300 µs recovery.

Maximum output deviation is 10% inclusive of trim.

10 Contact factory for operation at higher altitude.

11 See Application Note 113 for derating curves.

CAUTION: Hazardous internal voltages and high temperatures.

Ensure that unit is not user accessible.

EXB50 Series

Single output

DC-DC CONVERTERS

20-50 W High Efficiency DC-DC Converters

OUTPUT

INPUT

OVP

OUTPUT

EFFICIENCY

REGULATION

MODEL

POWER

VOLTAGE

CURRENT

(TYP.)

LINE

LOAD

NUMBER

(16,17)

(MAX.)

(MIN.)

(MAX.)

20 W

18-36 Vdc

2.4 Vdc

2 V

0 A

10 A

86.5%

±0.1%

±0.2%

EXB50-24S2V0J

33 W

18-36 Vdc

3.9 Vdc

3.3 V

0 A

10 A

89.0%

±0.1%

±0.2%

EXB50-24S3V3J(14)

50 W

18-36 Vdc

6 Vdc

5 V

0 A

10 A

90.0%

±0.1%

±0.2%

EXB50-24S05J

18 W

36-75 Vdc

2.15 Vdc

1.8 V

0 A

10 A

85.7%

±0.1%

±0.2%

EXB50-48S1V8J(15)

20 W

36-75 Vdc

2.45 Vdc

2 V

0 A

10 A

87.5%

±0.1%

±0.2%

EXB50-48S2V0J(15)

25 W

36-75 Vdc

2.95 Vdc

2.5 V

0 A

10 A

87.5%

±0.1%

±0.2%

EXB50-48S2V5J(15)

33 W

36-75 Vdc

4 Vdc

3.3 V

0 A

10 A

90.0%

±0.1%

±0.2%

EXB50-48S3V3J(14,15)

50 W

36-75 Vdc

6.15 Vdc

5 V

0 A

10 A

91.0%

±0.1%

±0.2%

EXB50-48S05J(15)

50 W

36-75 Vdc

14.2 Vdc

12 V

0 A

4.2 A

90.0%

±0.1%

±0.2%

EXB50-48S12J(15)

File Name: exb50s.pdf Rev (02): 05 Dec 2005

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12 Wide operating temperature on the EXB50-24S05J is -40 ºC to +60 ºC.

13 Input transient (48 V) ETS300 132-2 ETR283.

14 100 V, 100 ms transient applies to the EXB50-24S3V3J and the EXB50-

48S3V3J models. Please add the suffix 'R03' to the model number e.g.

EXB50-48S3V3R03J. This is also active low remote ON/OFF.

15 Active low remote ON/OFF available. Please add suffix '-R' to model

number e.g. EXB50-48S3V3-RJ.

16 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.

17 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.

EXTERNAL OUTPUT TRIMMING

TRIM

+ Sense

Trim

- Sense

TRIM

DOWN

RT1

RT2

International Safety Standard Approvals

UL/cUL CAN/CSA 22.2 No. 60950-00 : UL 60950

File No. E174104

TÜV Product Service. Certificate No. B 03 08 38572 036

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