EXB250 SERIES NEW Product Single output • High efficiency topology, 90% typical at 3.3V • 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 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 to 75VDC and are available in output voltages of 12V, 5V, 3.3V, 2.5V, 1.8V, 1.5V and 1.2V. 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 3.3V, 88% for the 2.5V and 87% for the 1.8V 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 (TÜV Rheinland) and UL/cUL1950, the EXB250 reduces compliance costs and time to market. [ 2 YEAR WARRANTY ] TÜV SPECIFICATION All specifications are typical at nominal input, full load at 25°C unless otherwise stated OUTPUT SPECIFICATIONS EMC CHARACTERISTICS Voltage adjustability 90% to 110% Set point accuracy ±1.6% max. Line regulation Low line to high line 1V2 Model All other models ±0.2% max. ±0.1% max. Load regulation Full load to min. load ±0.2% max. Minimum load 0% Conducted emissions EN55022 (See Note 2) EN55022 (See Note 2) Immunity: ESD air ESD contact Radiated field enclosure Conducted (DC power) Conducted (signal) Input transients EN61000-4-2 8kV (NP), 15kV (NP) EN61000-4-2 6kV ((NP), 8kV (NP) EN61000-4-3 10V/m (NP) EN61000-4-6 10V (NP) EN61000-4-6 10V (NP) ETS 300 132-2, ETR 283 Overshoot At turn-on and turn-off None GENERAL SPECIFICATIONS Undershoot 1.2V, 1.5V, 1.8V. 2.5V and 3.3V models None Efficiency Ripple and noise 5Hz to 20MHz Transient response (See Note 1) 60mV pk-pk 20mV rms 6% max. deviation 150µs recovery to within total error band INPUT SPECIFICATIONS Input/output Input/baseplate Switching frequency Fixed Approvals and standards (See Note 4) 33 to 75VDC Weight Input current No load Remote OFF 145mA max. 35mA max. MTBF Input current (max.) (See Note 3) 5.7A max. @ Io max. and Vin = 33 to 75V (See Note 5) Active high remote ON/OFF Logic compatibility ON OFF Undervoltage lockout Start-up time (See Note 6) PAGE 1 350mA (pk-pk) typ. (See Note 7) Open collector ref to -input Open circuit or >4.0VDC <1.2VDC Power up Power down Power up Remote ON/OFF EN60950 (TÜV Rheinland) UL/cUL1950 UL94V-0 73g (2.6oz) MIL-HDBK-217F @ 40°C, 100% load ground benign >224,000 hours ENVIRONMENTAL SPECIFICATIONS Thermal performance Operating baseplate -40°C to +100°C temperature Non-operating -40°C to +125°C International Safety Standard Approvals 32.5V (typ.) 30.5V (typ.) 10ms (typ.) 3ms (typ.) 1500VDC 1500VDC 400kHz typ. Material flammability 48Vin nominal Input reflected ripple See table Operational Input voltage range Level A Level B UL/cUL : UL1950 File No. E135734 TÜV TÜV Rheinland Certificate No. R2174184 CB Scheme No. US-TUVR-1085 DC/DC CONVERTERS | 72-165W DC/DC 72 to 165 Watt High efficiency DC/DC converters OUTPUT POWER (MAX.) INPUT VOLTAGE OVP OUTPUT VOLTAGE OUTPUT CURRENT (MIN.) OUTPUT CURRENT (MAX.) EFFICIENCY (TYP.) LINE LOAD MODEL NUMBER(7,8,9) 72W 33-75VDC 1.44VDC 1.2V 0A 60A 84.0% ±0.2% ±0.2% EXB250-48S1V2 90W 33-75VDC 1.8VDC 1.5V 0A 60A 85.5% ±0.1% ±0.2% EXB250-48S1V5 108W 33-75VDC 2.2VDC 1.8V 0A 60A 87.0% ±0.1% ±0.2% EXB250-48S1V8 150W 33-75VDC 3.0VDC 2.5V 0A 60A 88.0% ±0.1% ±0.2% EXB250-48S2V5 165W 33-75VDC 4.0VDC 3.3V 0A 50A 90.0% ±0.1% ±0.2% EXB250-48S3V3 165W 33-75VDC 6.0VDC 5.0V 0A 33A 91.7% ±0.1% ±0.2% EXB250-48S05 165W 33-75VDC 14.4VDC 12.0V 0A 13.75A 92.0% ±0.1% ±0.2% EXB250-48S12 Notes 1 2 3 4 5 6 7 8 9 REGULATION PROTECTION 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. 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 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. 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. 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 Short circuit protection Continuous Overvoltage protection Non-latching clamp TELECOM SPECIFICATION Central office interface A CAUTION: Hazardous internal voltages and high temperatures. Ensure that unit is not user accessible. PIN CONNECTIONS Ø0.040 (7 PLS) PIN NUMBER FUNCTION 1 +Vin 3 2 Remote On/Off 1 3 No Function Ø0.080 (2 PLS) 4 5 6 BOTTOM 7 VIEW 8 2 9 -Vin 5 -Vout 6 -Sense 7 Trim 8 +Sense 9 +Vout 0.500 [12.70] 1.700 [43.18] 1.300 [33.02] 1.000 [25.40] 0.700 [17.78] 0.300 [7.62] 0.000 [0.00] *0.21 [5.33] M3x0.5 Threaded Through (4 PLS) 4 ETS300-132-2, input voltage and current requirements 2.280 [57.91] 2.000 [50.80] 0.200 [5.08] 0.190 [4.83] 2.400 [60.96] TOP VIEW *Standard available pin length. 0.145 (3.68) and 0.110 (2.79) options also available. (See Notes 8 and 9 for ordering details). ALL DIMENSIONS IN INCHES [mm] 1.900 [48.26] Ø0.128 [Ø3.25] (4 PLS) Ø0.094 [Ø2.39] (2 PLS) 0.000 [0.00] 0.300 [7.62] 1 9 0.700 [17.78] 2 1.300 [33.02] 1.700 [43.18] 3 8 7 6 4 5 Ø0.054 [Ø1.37] (7 PLS) 1.000 [25.40] Recommended Hole Pattern Please consult our website for the following items: http://www.artesyn.com ✔ Full Data Sheet ✔ Application Note PAGE 2 DS_EXB250S_20020621.PDF 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.