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EXB250 Series
DC-DC CONVERTERS * High efficiency topology, 90% typical at 3.3 V * Industry standard footprint * Wide baseplate temperature, -40 C to +100 C (natural convection) * 90% to 110% output trim * No minimum load * Overvoltage protection * Remote ON/OFF * Available RoHS compliant
Single output
72-165 W High Efficiency DC-DC Converters 1
The EXB250 is a new high efficiency, open-frame, isolated 165 Watt converter series in an industry standard half-brick footprint. The EXB250 delivers very high output current at low voltages, and excellent useable power density for today's high end applications. The design takes advantage of open frame construction to provide a low weight, low thermal impedance baseplate design. The seven models in the series feature an input voltage range of 33 Vdc to 75 Vdc and are available in output voltages of 12 V, 5 V, 3.3 V, 2.5 V, 1.8 V, 1.5 V and 1.2 V. The output voltage on each model is adjustable from 90% to 110% of the nominal value. Typical efficiencies for the models are 90% for the 3.3 V, 88% for the 2.5 V and 87% for the 1.8 V version. The EXB250 series also has a remote ON/OFF capability. Overcurrent and overvoltage protection features are included as standard. With full international safety approval including EN60950 (TUV Rheinland) and UL/cUL1950, the EXB250 reduces compliance costs and time to market.
All specifications are typical at nominal input, full load at 25 C unless otherwise stated
TUV
2 YEAR WARRANTY
SPECIFICATIONS
OUTPUT SPECIFICATIONS Voltage adjustability Set point accuracy Line regulation Low line to high line Load regulation Minimum load Overshoot Undershoot Ripple and noise Transient response (See Note 1) INPUT SPECIFICATIONS Input voltage range Input current Input current (max.) (See Note 3) Input reflected ripple (See Note 5) 48 Vin nominal No load Remote OFF 33-75 Vdc 145 mA max. 35 mA max. 5.7 A max. @ Io max. and Vin = 33-75 Vdc 350 mA (pk-pk) typ. Open collector ref to -input Open circuit or >4.0 Vdc <1.2 Vdc 32.5 V (typ.) 30.5 V (typ.) 10 ms (typ.) 3 ms (typ.) At turn-on and turn-off 1.2 V, 1.5 V (Z), 1.8 V (Z), 2.5 V (Z) and 3.3 V (Z) models 5 Hz to 20 MHz 1.2 V model All other models Full load to min. load 90% to 110% 1.6% max. 0.2% max. 0.1% max. 0.2% max. 0% None None
EMC CHARACTERISTICS Conducted emissions Immunity: ESD air ESD contact Radiated field enclosure Conducted (DC power) Conducted (signal) Input transients EN55022 (See Note 2) EN55022 (See Note 2) Level A Level B (NP) (NP) (NP) (NP) (NP)
EN61000-4-2 8 kV (NP), 15 kV EN61000-4-2 6 kV (NP), 8 kV EN61000-4-3 10 V/m EN61000-4-6 10 V EN61000-4-6 10 V ETS 300 132-2, ETR 283
GENERAL SPECIFICATIONS Efficiency Operational Switching frequency Approvals and standards (See Note 4) Material flammability Weight MTBF Telcordia SR-332 @ 25 C, 100% load ground benign Demonstrated Input/output Input/baseplate Fixed See table 1500 Vdc 1500 Vdc 400 kHz typ. EN60950 (TUV Rheinland) UL/cUL1950 UL94V-0 73 g (2.6 oz) 1,598,243 hours >2,000,000 hours
60 mV pk-pk 20 mV rms 6% max. deviation 150 s recovery to within total error band
ENVIRONMENTAL SPECIFICATIONS Thermal performance Operating baseplate -40 C to +100 C temperature Non-operating -40 C to +125 C
Active high remote ON/OFF Logic compatibility ON OFF Undervoltage lockout Start-up time (See Note 6) Power up Power down
Power up Remote ON/OFF
File Name: exb250s.pdf Rev (02): 06 Dec 2005
EXB250 Series
DC-DC CONVERTERS
OUTPUT POWER (MAX.) 72 W 90 W 108 W 150 W 165 W 165 W 165 W INPUT VOLTAGE 33-75 Vdc 33-75 Vdc 33-75 Vdc 33-75 Vdc 33-75 Vdc 33-75 Vdc 33-75 Vdc OVP 1.44 Vdc 1.8 Vdc 2.2 Vdc 3 Vdc 4 Vdc 6 Vdc 14.4 Vdc OUTPUT VOLTAGE 1.2 V 1.5 V 1.8 V 2.5 V 3.3 V 5V 12 V
Single output
72-165 W High Efficiency DC-DC Converters 2
For the most current data and application support visit www.artesyn.com/powergroup/products.htm
OUTPUT CURRENT (MIN.) 0A 0A 0A 0A 0A 0A 0A OUTPUT CURRENT (MAX.) 60 A 60 A 60 A 60 A 50 A 33 A 13.75 A
EFFICIENCY (TYP.) 84.0% 85.5% 87.0% 88.0% 90.0% 91.7% 92.0%
REGULATION LINE 0.2% 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% LOAD 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2%
MODEL NUMBER (8,9) EXB250-48S1V2J EXB250-48S1V5J EXB250-48S1V8J EXB250-48S2V5J EXB250-48S3V3J EXB250-48S05J EXB250-48S12J
Part Number System with Options
EXB250-48S1V2-ZRNJ
RoHS Compliance (8,9) J = Pb-free (RoHS 6/6 compliant) 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) Control Logic Blank = Positive R = Negative 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)
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 Output Voltage 1V2 = 1.2 V, 1V5 = 1.5 V etc
Notes
1 2 di/dt = 0.1 A/s, 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. 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. Recommended input fusing is a 10 A HRC 200 V 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. Start-up into resistive load. For the pin length of Modified Standard products please consult the factory. 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. 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.
PROTECTION Short circuit Overvoltage TELECOM SPECIFICATION Central office interface A ETS300-132-2 input voltage and current requirements Continuous Non-latching clamp
3 4 5 6 7 8
CAUTION: Hazardous internal voltages and high temperatures. Ensure that unit is not user accessible.
9
File Name: exb250s.pdf Rev (02): 06 Dec 2005
EXB250 Series
DC-DC CONVERTERS
O0.040 (7 PLS)
4 6 BOTTOM 7 VIEW 8 2 3 1 9 5
Single output
72-165 W High Efficiency DC-DC Converters 3
For the most current data and application support visit www.artesyn.com/powergroup/products.htm
O0.080 (2 PLS) 1.700 [43.18] 1.300 [33.02] 1.000 [25.40] 0.700 [17.78] 0.300 [7.62] 0.000 [0.00]
0.500 [12.70]
*0.21 [5.33]
M3x0.5 Threaded Through (4 PLS)
2.280 [57.91]
*Standard available pin length. 0.145 (3.68) and 0.110 (2.79) options also available. (See Notes 8 and 9 for ordering details).
2.000 [50.80]
TOP VIEW
2.400 [60.96]
0.200 [5.08] 0.190 [4.83]
1.900 [48.26] O0.128 [O3.25] (4 PLS) O0.094 [O2.39] (2 PLS)
1 2 3 4 9 8 7 6 5
0.000 [0.00] 0.300 [7.62] 0.700 [17.78] 1.300 [33.02] 1.700 [43.18]
O0.054 [O1.37] (7 PLS) 1.000 [25.40]
ALL DIMENSIONS IN INCHES [mm]
Recommended Hole Pattern
PIN CONNECTIONS PIN NUMBER 1 2 3 4 5 6 7 8 9 FUNCTION +Vin Remote On/Off No Function -Vin -Vout -Sense Trim +Sense +Vout
International Safety Standard Approvals
UL/cUL : UL1950 File No. E135734
TUV
TUV Rheinland File No. 10401-336-0209. Licence No. 40013414 CB Scheme No.DE1-32227
Datasheet (c) Artesyn Technologies(R) 2005 The information and specifications contained in this datasheet are believed to be correct at time of publication. However, Artesyn Technologies accepts no responsibility for consequences arising from printing errors or inaccuracies. The information and specifications contained or described herein are subject to change in any manner at any time 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: Application Note Longform Datasheet
www.artesyn.com
File Name: exb250s.pdf Rev (02): 06 Dec 2005

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