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ALQ40 Datasheet(PDF) 1 Page - Astec America, Inc |
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ALQ40 Datasheet(HTML) 1 Page - Astec America, Inc |
1 / 16 page Technical Reference Notes ALQ40/50 Series (Open Frame Single Output Quarter Brick) MODEL: ALQ50 SERIES SHEET 1 OF 16 APRIL 21, 2003 - REVISION A (PRELIMINARY) ALQ50 Single Output Open-Frame DC-DC Converter Module Industry Standard ¼ Brick: 36V-75V Input / 50A Output Current The ALQ50 series is Astec's next generation single output, high-density standard quarter brick offering. It operates from a 36V to 75V DC Bus and comes in different Isolated Logic Output voltages (ILO) well suited for DPA applications. It’s designed to conservatively handle 50A of output current for 2.5V and below at high levels of efficiency (3.3V @ 90.5%). It provides tight regulation and exhibits clean and monotonic output start up characteristics. The ALQ50’s come with industry standard features such as Input UVLO, OCP, OVP, OTP, Output Trim, differential output Sense pins. With its 0.36” low profile and open frame construction, it offers optimum board mounting flexibility. Special Features • Industry Standard ¼ Brick Footprint • Positive and Negative Enable Options • Regulation to Zero Load • High Capacitive Load Start-up • Fixed Switching Frequency at 480kHz • Output Trim • Input Under-Voltage Lockout • Low profile / open-frame Environmental Specifications • -40ºC to 85ºC Operating Temperature • -40ºC to 125ºC Storage Temperature • MTBF > 1 million hours Electrical Parameters Input Input Range 36-75 VDC Input Surge 100V / 100ms Efficiency 3.3V @ 90.5% (Typ) 2.5V @ 90.0% 1.8V @ 89.0% 1.2V @ 86.5% Control Enable TTL compatible (Positive and Negative Enable Options) Output Load Current 2.5V @ 50A max Line/Load Regulation < 1% VO Ripple and Noise 60mVPK-PK max Output Voltage Adjust Range ±10% VO Transient Response 5% VO deviation (Typ) 50% to 75% Load Change 250 µsec settling time (Typ) Remote Sense +10%VO Over Current Protection 120% IO,MAX Safety UL + cUL 60950, Recognized (Pending) EN60950 through TUV-PS (Pending) PRELIMINARY |
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