EXB50 Dual Series Dual positive output DC-DC CONVERTERS 50 W High Efficiency DC-DC Converters 1 * Two independently regulated positive outputs * Each output offers ultra-wide output voltage trim range * High efficiency topology, 89% typical * Approved to IEC60950, UL/cUL1950 * Operating ambient temperature of -40 C to +70 C (natural convection) * No minimum load on either output * Complies with ETS 300 019-1-3/2-3 and ETS 300 386-1 * Available RoHS compliant The EXB50 Dual is a 50W independently regulated dual output dc-dc converter specifically designed to meet the power needs of low voltage silicon. Housed in an open-frame package with an industry standard 1/2 brick footprint, the EXB50 Dual can deliver up to 8.5 A from either output, and up to 11 A in total, at temperatures of up to 70 C under natural convection. With some forced air and/or reduced ambient temperatures, the EXB50 can deliver up to 8.5 A from either output, and up to 17 A in total. The converter is primarily intended for the networking, telecoms and wireless markets, where small size, lower output voltages with higher currents, low profile and high efficiency are all key demands. Product features include wide output trim and remote on/off. Overvoltage, short circuit and overtemperature protection combines to make the EXB50 Dual a very robust and flexible product. 2 YEAR WARRANTY SPECIFICATIONS All specifications are typical at Vin = 48 V, Io1 = 5 A, Io2 = 5 A, Tamb = 25 C unless otherwise stated OUTPUT SPECIFICATIONS EMC CHARACTERISTICS Voltage adjustability EXB50-48D3V3-1V8J EXB50-48D05-3V3J 0.8-3.6 Vdc 1.5-5.25 Vdc Voltage accuracy Both outputs Line regulation Low line to high line Low line to high line Load regulation Full load to no load Minimum load Both outputs 0% Ripple and noise 20 MHz bandwidth Both outputs 150 mV pk-pk max. 30 mV rms max. Transient response peak dev. settling time 3 A to 5 A (1 A/10 s) and back 150 mV 400 s Short circuit protection EXB50-48D3V3-1V8J EXB50-48D05-3V3J 17 A rms 15 A rms 0.5% max. Vout1 0.5% Vout2 0.5% 0.5% INPUT SPECIFICATIONS Input voltage range 48 Vin nominal Input current No load Remote OFF UVLO turn ON voltage UVLO turn OFF voltage All inputs All inputs 36-75 Vdc 100 mA max. 4 mA max. 34 V typ. 33 V typ. ETS 300 386-1 table 5 Conducted emissions (See Note 3) Radiated emissions Immunity: ESD air ESD contact EFT dc power EFT signal Radiated field enclosure Surges indoor signal Conducted (dc power) Conducted (signal) Input transients Open collector ref. to -input Open circuit voltage or >3.2 Vdc <0.4 Vdc Active low remote ON/OFF Logic compatibility ON OFF (See Note 7) Open collector ref. to -input 0.4 Vdc max. Open circuit voltage or >3.2 Vdc International Safety Standard Approvals UL/cUL CAN/CSA 22.2 No. E174104 UL 60950 File No. E174104 TUV Product Service (EN60950) Certificate No. B 01 09 38572 024 CB report and certificate to IEC60950 Level A Level B Level A EN61000-4-2 8 kV (NP), 15 kV (RP) EN61000-4-2 6 kV (NP), 8 kV (RP) EN61000-4-4 2 kV (NP), 4 kV (LFS) EN61000-4-4 1 kV (NP), 2 kV (LFS) EN61000-4-3 10 V/m (NP) EN61000-4-5 500 V (RP) EN61000-4-6 10 V (NP) EN61000-4-6 10 V (NP) ETS 300 132-2, ETR 283 GENERAL SPECIFICATIONS Efficiency 89% typ. Basic insulation Input/output 1500 Vdc Input fuse 48 V (See Note 2) 4 A slow blow HRC Switching frequency (fixed) EXB50-48D3V3-1V8J EXB50-48D05-3V3J Approvals and standards 250 kHz 300 kHz IEC60950 UL/cUL1950 Material Flammability UL94V-0 Weight MTBF Active high remote ON/OFF Logic compatibility ON OFF (See Note 7) EN55022 with external filter EN55022 with external filter EN55022 42 g (1.48 oz) MIL-HDBK-217 177,362 hours ENVIRONMENTAL SPECIFICATIONS Thermal performance (See Notes 4 and 5) ETS 300 019-2-3 Air temperature Relative humidity Operating ambient temperature Non-operating -40 C to +100 C, see curves -40 C to +120 C Classes T3.1 to T3.5 Low: IEC 68-2-1 -40 C High: IEC 68-2-2 +70 C Change: IEC 68-2-14 -40 C to +70 C IEC 68-2-56 10% to 100% RH IEC 68-2-30 condensation File Name: exb50d.pdf Rev (02): 30 Nov 2005 EXB50 Dual Series Dual positive output DC-DC CONVERTERS 50 W High Efficiency DC-DC Converters 2 For the most current data and application support visit www.artesyn.com/powergroup/products.htm INPUT VOLTAGE OUTPUT VOLTAGE 1 2 OUTPUT CURRENT 1 2 (8) OVP (1) 1 2 TYPICAL EFFICIENCY MODEL NUMBER (7,9,10) 36-75 Vdc 3.3 V 1.8 V 8.5 A 8.5 A 4.12 V 2.34 V 86.4% EXB50-48D3V3-1V8J 36-75 Vdc 5V 3.3 V 7.5 A 7.5 A 6.25 V 4.12 V 89% EXB50-48D05-3V3J Notes 0.015 (0.37) Min 0.138 (3.50) 0.394 (10.00) Max O0.040 0.002 (O1.02 0.05) 9 Places Minimum clearance from bottom of converter to lowest component 1.000 (25.40) 1.400 (35.56) Vo2Trim2 0.400 (10.16) 0.300 (7.62) Vo2+ Vin- 0.600 (15.24) 1.000 (25.40) 1.300 (33.02) 1.600 (40.64) 0.500 (12.70) 2.2800.02 (57.910.5) 2.4000.02 (60.960.5) Latching OVP response time is 2 ms (typ.). OVP latch is reset by toggling the control input, or by cycling the input voltage. 2 User must provide recommended fuses in order to comply with safety approvals. 3 Meets both level A and level B conducted emissions only with external components connected before the input pins to the converter. 4 Maximum temperature on hotspots not to exceed 110 C. See Application Note 127 on Artesyn Technologies website www.artesyn.com. 5 See the longform datasheet for derating curves. 6 For stable operation connect an external output capacitor of at least 100 F to each output. Recommended capacity AVX TPS series (e.g. TPSD107*010#0100) or equivalents. 7 Active low remote ON/OFF, is available. Standard product is active high. Designate with the suffix `-R' e.g. EXB50-48D05-3V3-RJ. 8 Maximum total current from the module is 15 A for EXB50-48D05-3V3J and 17 A for EXB50-48D3V3-1V8J with airflow. 9 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. 10 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. Max open-frame converter height 1 Vo1+ Control Vo1- PROTECTION Vin+ Short circuit Continuous Overvoltage Latching Thermal 125 C with automatic recovery Trim1 1.900 (48.26) BOTTOM VIEW All dimensions in inches (mm) General tolerance 0.01in (0.25mm) except where specified otherwise TELECOM SPECIFICATION Central office interface A ETS300-132-2 input voltage and current requirements CAUTION: Hazardous internal voltages and high temperatures. Ensure that unit is not user accessible. EXTERNAL OUTPUT TRIMMING + OUT PIN CONNECTIONS PIN NUMBER FUNCTION 1 - Vin 2 No Pin 3 Remote ON/OFF 4 + Vin 5 Vo1 Trim 6 Vo1 Return TRIM - OUT + OUT - OUT TRIM DOWN TRIM TRIM UP 7 Vo1+ 8 Vo2 Trim 9 Vo2 Return 10 Vo2+ TRIM 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. 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: Application Note Longform Datasheet www.artesyn.com File Name: exb50d.pdf Rev (02): 30 Nov 2005