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GAQW1V540 Datasheet(PDF) 2 Page - Galaxy Power, Inc. |
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GAQW1V540 Datasheet(HTML) 2 Page - Galaxy Power, Inc. |
2 / 7 page GAQW1V540 – 2 WWW.GALAXYPWR.COM Part No. 02-GAQ-06 Rev. 3.0 – 041405 Galaxy Power Inc. 155 Flanders Road Westborough, MA 01581 Telephone: 508-870-9775 Fax: 508-870-9796 e-mail: info@galaxypwr.com General Specifications VIN = 48VDC, TA@25° C, 300 LFM Airflow, VOUT=1.5VDC, IOUT = Full Load unless otherwise noted. Available output power depends on ambient temperature and good thermal management. (See application graphs for limits.) Input Characteristics Parameter Min Typ Max Units Operating Input Voltage 36 48 75 VDC Input Current 2.3 A Input Capacitance 3 µF Input Hysteresis, Low Line 2 VDC Output Characteristics Regulation Over Line, Load & Temperature 1.470 1.530 V Voltage Ripple 20 mVRMS Voltage Ripple, 20MHz BW 50 mVP–P Current Range 0 40 A Current Limit Inception 41.2 56 A Short Circuit Current, Peak1 60 A Output Transient Response, 50% to 75% load change, 1A/µsec2 22 %VOUT Settling Time to ± 1% 300 µS Turn-on Time to 98%Vnom 25 mS Output Overshoot at Turn-on 0 %VOUT Trim Range 70 110 %VOUT Overvoltage Protection, Latching 130 %VOUT Isolation Isolation Test Voltage, Input/Output (Basic) 2250 VDC Isolation Resistance 10 MΩ Features Overtemperature Protection, Thermal Sensor, Latching3 110 ° C Switching Frequency, Fixed 250 kHz Notes: 1. During short circuit, converter will shut down and attempt to restart once per second. The average current during this condition will be very low and the device can be safely left in this condition continuously. 2. Limited by output energy storage. For improved performance see Tuned (T) model information. 3. PCB less than 130° C General Specifications Operating Temperature –40° C to +100° C Storage Temperature –55° C to +125° C Relative Humidity 10% to 95% RH, Non-condensing Vibration 2 to 9Hz, 3mm disp., 9 to 200Hz, 1g Material Flammability UL V-0 Weight 27 grams MTBF Telcordia (Bellcore) 2.2 million hours Approvals and Standards UL and c-UL Recognized Component, TUV**, UL60950, CSA 22.2 No. 950, IEC/EN 60950 EMC Characteristics: Designed to meet emission and immunity requirements per EN55022, CISPR 22, Class B, and CISPR 24. ** An external fuse shall be used to comply with the requirements. |
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