BXB75 Series Single output DC/DC CONVERTERS • • • • • • • • • 50-75W Wide Input DC/DC Converters 1 Industry standard footprint MTBF >1.4 million hours (Bellcore 332) Input voltage to ETS300-132-2 Adjustable output voltage No minimum load required Separate case ground pin 2:1 input range for battery powered applications Undervoltage lockout (UVLO) UL, VDE and CSA safety approvals The BXB75 Series are high power density DC/DC converters packaged in the industry standard footprint (2.40 x 2.28 x 0.50 inches) to give designers optimum choices when specifying for both new and replacement designs. Suitable for a wide range of applications in nearly any industry, the BXB75 was particularly designed with communication and distributed power applications in mind. Using Bellcore 332, the MTBF is greater than 1,400,000 hours. Aluminum baseplate technology with four threaded M3 inserts makes heatsink attachment and optimum thermal management easy. The BXB75 series is approved to IEC950 by UL, CSA and VDE. 2 YEAR WARRANTY SPECIFICATIONS All specifications are typical at nominal input, full load at 25°C unless otherwise stated OUTPUT SPECIFICATIONS INPUT SPECIFICATIONS (continued) Voltage adjustability 60% to 110% Set point accuracy ±1.0% Undervoltage lockout 48Vin: power up 48Vin: power down 34V 32.5V Power up Remote ON/OFF 20ms 20ms Line regulation Low line to high line ±0.05% Start-up time (See Note 8) Load regulation Full load to min. load ±0.10% EMC CHARACTERISTICS Minimum load Overshoot 0% At turn-on and turn-off Undershoot Ripple and noise (5Hz to 20MHz) (See Note 1) None None 3.3V and 5V 75mV pk-pk, 20mV rms 100mV pk-pk, 30mV rms 12V Temperature coefficient ±0.01%/°C Transient response (See Note 2) ±2.0% max. deviation 170µs recovery to within ±1.0% Remote sense 0.5VDC transmission line drop compensation Bellcore 1089 FCC part 15 EN55022, CISPR22 Efficiency See table Isolation voltage Input/case Input/output Output/case Switching frequency Fixed Approvals and standards (See Note 5) 48Vin nominal 36 to 75VDC Input current No load Remote OFF 100mA max. 20mA max. VDE0805, EN60950, IEC950 UL1950, CSA C22.2 No. 950 Case material Input current (max.) (See Note 4) 3.5A max. @ Io max. and Vin = 0 to 75V (See Note 6) Active low remote ON/OFF Logic compatibility ON OFF 5mA pk-pk (See Note 7) Open collector ref to -input 1.2VDC max. Open circuit MTBF 1500VDC 1500VDC 1500VDC 500kHz typ. Aluminum baseplate with plastic case UL94V-0 Weight Input voltage range Level A Level A Level A GENERAL SPECIFICATIONS Material flammability INPUT SPECIFICATIONS Input reflected ripple Conducted emissions (See Note 3) 110g (3.88oz) Bellcore 332 1,400,000 hours min. MIL-HDBK-217F 580,000 hours min. @ 40°C, 100% full load ENVIRONMENTAL SPECIFICATIONS Thermal performance Operating case temp. -40°C to +100°C Non-operating -55°C to +125°C Altitude Operating Non-operating Vibration 5Hz to 500Hz 10,000 feet max. 40,000 feet max. 2.4G rms (approx.) File Name: BXB75S.PDF Rev: 02 Oct 2002 BXB75 Series Single output DC/DC CONVERTERS 50-75W Wide Input DC/DC Converters 2 For the most current data and application support visit www.artesyn.com/powergroup/products.htm OUTPUT POWER (MAX.) INPUT VOLTAGE OVP OUTPUT VOLTAGE OUTPUT CURRENT (MIN.) OUTPUT CURRENT (MAX.) EFFICIENCY (TYP.) LINE LOAD MODEL NUMBER (7) 50W 36-75VDC 4.3VDC 3.3V 0A 15A 79% ±0.05% ±0.1% BXB75-48S3V3FLT 75W 36-75VDC 6.5VDC 5V 0A 15A 83% ±0.05% ±0.1% BXB75-48S05FLT 75W 36-75VDC 14.5VDC 12V 0A 6.25A 84% ±0.05% ±0.1% BXB75-48S12FLT Notes 1 2 3 4 5 6 7 8 REGULATION PROTECTION Measured with 10µF tantalum capacitor and 1µF ceramic capacitor across output. di/dt = 0.1A/1µs, 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. Units should be characterised within systems. External components required. Input fusing is recommended based on surge current and maximum input current. This product is only for inclusion by professional installers within other equipment and must not be operated as a stand alone product. Simulated source impedance of 12µH. 12µH inductor in series with +Vin. Active high remote on/off option is available (standard product is active low), designate with the suffix ‘FHT’ e.g. BXB75-48S05FHT. Consult factory for further details and options. Start-up into resistive load. Short circuit protection Continuous, automatic recovery Overvoltage protection Non-latching Undervoltage protection Non-latching Thermal protection 110°C baseplate, automatic recovery TELECOM SPECIFICATION Central office interface A ETS300-132-2 EXTERNAL OUTPUT TRIMMING PIN CONNECTIONS PIN NUMBER FUNCTION 1 + Vin Output can be externally trimmed by using the method shown. 8 TRIM UP RT1 OR RT2 7 2 Remote ON/OFF 3 Case 4 - Vin 5 - Vout 6 - Sense 7 Trim 8 + Sense 9 + Vout TRIM DOWN 6 www.artesyn.com File Name: BXB75S.PDF Rev: 02 Oct 2002 BXB75 Series Single output DC/DC CONVERTERS 50-75W Wide Input DC/DC Converters 3 For the most current data and application support visit www.artesyn.com/powergroup/products.htm VIEW SHOWN PIN SIDE UP 1.90 (48.26) 0.200 (5.08) Min. Length for all Input and Output Pins 0.190 (4.83) ± 0.010 (0.25) VI(+) Vo (-) +SEN TRIM -SEN 1.400 (35.56) ON/OFF 0.400 (10.16) 0.700 (17.77) 0.400 (10.16) 1.000 (25.40) 2.000 (50.80) 2.40 (60.96) Max. 1.400 (35.56) Vo(+) 1.000 (25.40) CASE VI (-) 0.500 (12.69) ± 0.010 (0.25) 7 x Ø.040 (1.02) ±0.002 (0.05) 0.190 (4.83) ±0.010 (0.25) 2.28 (57.91) Max. 2 x Ø.080 (2.03) ± 0.002 (0.05) 4 x M3 x 0.5 Through 0.500 (12.70) ALL DIMENSIONS IN INCHES (mm) Tolerance : x.xx ±0.02in. (0.51mm) x.xxx ±0.010in. (0.254mm) International Safety Standard Approvals VDE0805/EN60950/IEC950 File No. 10401-3336-1095 UL1950 File No. E136005 CSA C22.2 No. 950 File No. LR41062C 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. www.artesyn.com File Name: BXB75S.PDF Rev: 02 Oct 2002