700W DC/DC Brick Delivers 126W/Cubic Inch
Power-One has introduced the FBA48T25280 DC-DC converter, providing a 25A, user-adjustable 16.8 – 32.2V output. This full brick combines high efficiencies (exceeding 92%) with advanced thermal management techniques to deliver 126W/cubic inch power densities and reduced current deratings in elevated ambient temperature RF amplifier applications.
Additional features include: active current sharing enables load sharing within ±10%, remote-differential output-voltage sense, -40 to 100°C operating temperature range, 36 – 75V input range, 7 - 9V @ 20 mA auxiliary output, Output-Good signal, capability to start-up into pre-biased loads, and an on-board input differential LC-filter. Protections include input undervoltage lockout, output overvoltage and overcurrent, and overtemperature.
The FBA48T25280 utilizes an industry-standard full-brick footprint (2.4 x 4.6 inch, 61 x 117mm) and a low profile 0.5 inch (12.7mm) height. RoHS lead-free and lead-solder exempted versions are available. All materials meet the UL94, V-0 flammability rating. Pricing is $70 each in quantities of 1000. Evaluation models are usually available from stock. Production quantities are typically available in six to eight weeks.
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