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| BXA75 SERIES Single output * * * * * * * 3.5 x 2.4 x 0.5 inch package with stand-offs 19 Watts/in3 power density Efficiency up to 87% CISPR 22 and EN55022 conducted emissions level A UL, VDE and CSA safety approvals Indefinite short circuit protection Baseplate operating temperature range of -25C to +85C [ 2 YEAR WARRANTY ] The BXA75 series are high density DC/DC converters ideally suited for a wide variety of communications, industrial, computer and distributed power applications. With up to 80 Watts of power in a 3.5 x 2.4 x 0.5 inch package and efficiencies as high as 87%, the BXA75 can address a host of demanding power requirements, offering a wide input range of 36-75VDC with industry standard outputs of 3.3V, 5V, 12V and 15V. Approval to EN60950 and EN41003 coupled with conducted emissions compliance to CISPR 22, FCC and EN55022 level A, facilitate easy and cost effective design-in for communications systems. The demands of industrial systems are met by a baseplate operating temperature range of -25C to 85C, overvoltage, overtemperature and short circuit protection, along with tight load and line regulation and output ripple as low as 15mV rms. Other standard features include remote enable, remote sense and external trim. SPECIFICATION OUTPUT SPECIFICATIONS Voltage adjustability Voltage accuracy Remote sense Total error band Line regulation Load regulation Ripple and noise All specifications are typical at nominal input, full load at 25C unless otherwise stated EMC CHARACTERISTICS +10%, -3.0% +10%, -5.0% 0.5% 0.5V line drop compensation Conducted noise Surge susceptibility EN55022, FCC (See Note 4) Level A 100V No damage 3.3V and 15V 5V and 12V GENERAL SPECIFICATIONS Efficiency Isolation voltage Switching frequency Approvals and standards Case material Material flammability Weight MTBF Bellcore, 25C baseplate See table 1500VDC 500kHz 5.0% VDE0805, EN60950 IEC950, UL1950 CSA C22.2 No. 950 Plastic with aluminum baseplate UL94V-0 160g (5.65oz) 2,600,000 hours minimum (See Note 2) Typical Typical 2.0% 0.15% 0.3% 5Hz-20MHz, 50mV pk-pk (See Note 3) 15mV rms max. No external capacitor 100mV pk-pk, 25mV rms max. 4.0% max. dev. 100s recovery to within 1% Vo 0.02%/C Max. (See Note 5) Yes, see table Continuous automatic recovery Transient response (75% to 100% load step) Temperature coefficient Overvoltage protection Short circuit protection INPUT SPECIFICATIONS Input voltage range Input filter Remote ON/OFF Logic compatibility ON OFF Shutdown idle current (See Note 4) (Ref. to -Vin) ENVIRONMENTAL SPECIFICATIONS Thermal performance (See Note 6) Operating, See curves -25C to +85C Non-operating -55C to +125C Over temperature 115C internal shutdown temperature auto. recovery Operating Non operating 5Hz to 500Hz 10,000 feet max. 40,000 feet max. 2.4G RMS (approx.) 36 to 75VDC Yes CMOS/TTL >3.5VDC or open circuit <0.8VDC Less than 50mA Altitude Vibration International Safety Standard Approvals VDE0805/EN60950/IEC950 File No. 10401-3336-1073 UL1950 File No. E136005 CSA C22.2 No. 950 File No. LR41062C Data Sheet (c) Artesyn Technologies(R) 2000 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. PAGE 1 DC/DC CONVERTERS | 66-75W DC/DC 66 to 75 Watt Wide input DC/DC converters INPUT VOLTAGE 36-75VDC 36-75VDC 36-75VDC 36-75VDC Notes 1 2 At nominal input and output voltage and maximum load. Total error band is defined as the static output regulation at 25C including initial setting accuracy, input voltage within stated limits and output current within stated limit. Measured with 10F tantalum capacitor across output. EMI measured on either line into a 50 LISN with 120F electrolytic input capacitor. Overvoltage limit may be tested by applying -5V to -15V to the trim pin 11 with respect to -sense pin 18. To order optional standard heatsink, please add suffix `-1' to model number e.g. BXA75-48S05-1. OUTPUT VOLTAGE 3.3V 5.0V 12.0V 15.0V OUTPUT CURRENT 20.0A 15.0A 6.3A 5.0A OVP (5) INPUT CURRENT 2.18A 1.95A 1.85A 1.80A (1) EFFICIENCY 79% 83% 86% 87% REGULATION LINE LOAD 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% MODEL NUMBER (6) BXA75-48S3V3 BXA75-48S05 BXA75-48S12 BXA75-48S15 4VDC 6.2VDC 14VDC 18VDC EXTERNAL OUTPUT TRIMMING Output can be externally trimmed by using either method shown below. + Sense 10K - Sense TRIM UP TRIM TRIM DOWN TRIM UP/DOWN 3 4 5 6 PIN CONNECTIONS PIN NUMBER 1 2 3 4 5 6 7 8 9 FUNCTION - Vin - Vin + Vin + Vin No Pin No Pin Remote On/Off No Pin No Pin PIN NUMBER 10 11 12 13 14 15 16 17 18 FUNCTION No Pin Trim + Sense + Vout + Vout No Pin - Vout View fr 0.7 (17.9) 0.2 (5.1) 0.2 (5.1) 2.4 0.2 (5.1) (60.9) 0.6 (15.2) 1 2 3 4 5 6 7 8 0.45 (11.5) 0.04 Dia. (1.02) 0.15 (3.8) M3 x 0.5 Metric Tap Thru 0.22 0.03 Dia. Standoff 0.3 (7.62) 18 17 16 15 14 13 12 11 10 9 0.7 (17.9 ) 0.2 (5.1) 0.2 (5.1) 0.4 (10.2) 0.2 (5.1) 0.2 (5.1) 0.2 (5.1) 0.02 (0.5) View from Underside (Pin Side) 0.15 (3.8) 3.2 (81.3) 3.5 (88.9) 0.5 0.15 (12.7) (3.8) MIN. LENGTH - Vout - Sense ALL DIMENSIONS IN INCHES (mm) Pins are in true position within .010 DIA. @ M.M.C. Tolerance (inches) : .xx = 0.02 .xxx = 0.005 Heatsink adds 0.74" to height of unit Temperature Derating Data TEMPERATURE DERATING WITHOUT HEATSINK BXA75-48S3V3/05 110 100 90 80 OUTPUT POWER (% MAX.) 70 "-4" OPTION 60 50 40 30 20 10 0 -40 -20 0 20 40 60 80 100 120 0 lfm 200 lfm 500 lfm OUTPUT POWER (% MAX.) 110 100 90 80 70 "-4" OPTION 60 50 40 30 20 10 0 -40 -20 0 20 40 60 80 100 120 500 lfm 0 lfm 200 lfm TEMPERATURE DERATING WITH HEATSINK BXA75-48S3V3/05 (See Note 6) AMBIENT TEMPERATURE (deg.C) TEMPERATURE DERATING WITHOUT HEATSINK BXA75-48S12/15 110 100 90 80 OUTPUT POWER (% MAX.) 70 "-4" OPTION 60 50 40 30 20 10 0 -40 -20 0 20 40 60 80 100 120 500 lfm OUTPUT POWER (% MAX.) 0 lfm 200 lfm 110 100 90 80 70 "-4" OPTION 60 50 40 30 20 10 0 -40 -20 AMBIENT TEMPERATURE (deg.C) TEMPERATURE DERATING WITH HEATSINK BXA75-48S12/15 (See Note 6) 200 lfm 0 lfm 500 lfm DS_BXA75_19980401.PDF 0 20 40 60 80 100 120 http://www.artesyn.com PAGE 2 |
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