DC/DC CONVERTERS
|
7 2 -1 6 5 W DC/DC
72 to 165 Watt
High e fficie ncy DC/DC conve rte rs
OUTPUT
POWER
(MAX.)
OUTPUT
OUTPUT
REGULATION
INPUT
OUTPUT
VOLTAGE
EFFICIENCY
(TYP.)
MODEL
OVP
CURRENT CURRENT
VOLTAGE
NUMBER(7,8,9)
LINE
LOAD
(MIN.)
0A
(MAX.)
60A
72W
90W
33-75VDC
33-75VDC
33-75VDC
33-75VDC
33-75VDC
33-75VDC
33-75VDC
1.44VDC
1.8VDC
2.2VDC
3.0VDC
4.0VDC
6.0VDC
14.4VDC
1.2V
1.5V
1.8V
2.5V
3.3V
5.0V
12.0V
84.0%
85.5%
87.0%
88.0%
90.0%
91.7%
92.0%
±0.2%
±0.1%
±0.1%
±0.1%
±0.1%
±0.1%
±0.1%
±0.2%
±0.2%
±0.2%
±0.2%
±0.2%
±0.2%
±0.2%
EXB250-48S1V2
EXB250-48S1V5
EXB250-48S1V8
EXB250-48S2V5
EXB250-48S3V3
EXB250-48S05
EXB250-48S12
0A
60A
108W
150W
165W
165W
165W
0A
60A
0A
60A
0A
50A
0A
33A
0A
13.75A
Notes
PROTECTION
1
di/dt = 0.1A/µs, Vin = 48VDC, Tc = 25°C, load change = 0.5 lo max. to
0.75 lo max. and 0.75 lo max. to 0.5 lo max.
Short circuit protection
Overvoltage protection
Continuous
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.
Non-latching clamp
3
4
Recommended input fusing is a 10A HRC 200V rated fuse.
This product is only for inclusion by professional installers within other
equipment and must not be operated as a stand alone product.
Measured with no external Pi filter. Significant reduction possible with
external filter. See Application Note 119.
TELECOM SPECIFICATION
Central office interface A
ETS300-132-2, input voltage
and current requirements
5
6
7
Start-up into resistive load.
Active low remote On/Off is available. Standard product is active high.
When ordering active low parts, designate with the Suffix '-R', e.g
EXB250-48S3V3-R.
CAUTION: Hazardous internal voltages and high temperatures.
Ensure that unit is not user accessible.
8
9
When ordering 0.145" pin lengths designate with the Suffix'-N', if the
product is already a '-R' suffix product then the suffix will be '-RN'
When ordering 0.110" pin lengths designate with the Suffix'-K', if the
product is already a '-R' suffix product then the suffix will be '-RK
Ø0.040
(7 PLS)
Ø0.080
(2 PLS)
PIN CONNECTIONS
0.500 [12.70]
PIN NUMBER
FUNCTION
+Vin
4
3
5
9
1.700 [43.18]
6
7
8
1.300 [33.02]
1.000 [25.40]
0.700 [17.78]
1
2
3
4
5
6
7
8
9
BOTTOM
VIEW
2
1
Remote On/Off
No Function
-Vin
0.300 [7.62]
0.000 [0.00]
*0.21 [5.33]
M3x0.5 Threaded
Through (4 PLS)
*Standard available pin length.
0.145 (3.68) and 0.110 (2.79)
options also available. (See
Notes 8 and 9 for ordering details).
2.280 [57.91]
-Vout
-Sense
2.000
[50.80]
2.400
[60.96]
TOP
VIEW
Trim
ALL DIMENSIONS IN INCHES [mm]
+Sense
+Vout
0.200 [5.08]
0.190 [4.83]
1.900 [48.26]
Ø0.128 [Ø3.25]
(4 PLS)
Ø0.094 [Ø2.39]
(2 PLS)
0.000 [0.00]
0.300 [7.62]
9
1
Ø0.054 [Ø1.37]
(7 PLS)
2
8
7
0.700 [17.78]
1.300 [33.02]
1.700 [43.18]
3
4
6
1.000 [25.40]
5
Recommended Hole Pattern
Data Sheet © Artesyn Technologies
® 2002
The information and specifications contained in this data sheet are believed to be correct at time of publication. However, Artesyn Technologies accepts no responsibility for consequences arising
from printing errors or inaccuracies. Specifications are subject to change without notice. No rights under any patent accompany the sale of any such product(s) or information contained herein.
Please consult our website for the following items: ✔✔Full Data Sheet ✔✔Application Note
http://www.artesyn.com
PAGE 2
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