ATR2812T Datasheet (data sheet) PDF





ATR2812T Datasheet, HYBRID-HIGH RELIABILITY DC-DC CONVERTER

ATR2812T   ATR2812T  

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HYBRID-HIGH RELIABILITY DC-DC CONVERTER PD-94551E ATR28XXT SERIES 28V Input, T riple Output Description The ATR28XXT Series of DC-DC converters provide 30W of output power over the full military temperature range with no derating. The se devices are pin compatible with the ATO series converters but offer twice t he maximum output power in a lower prof ile package. A custom CMOS ASIC pulse w idth modulator operating at a nominal s witching frequency of 550kHz combined w ith a unique magnetic feedback reduces circuit complexity for enhanced reliabi lity. These converters provide 500V inp ut to output isolation and operate in h ighly efficient single fo

ATR2812T Datasheet, HYBRID-HIGH RELIABILITY DC-DC CONVERTER

ATR2812T   ATR2812T  
rward mode. The advanced feedback design and high operating frequency provide a n extremely wide bandwidth control loop with high gain and phase margin. This results in fast dynamic line and load r esponse as well as superior audio rejec tion. The control loop is compensated t o provide optimum performance over the full military temperature range and ove r the 16V to 40V input voltage range. T hese converters are protected against b oth continuous output short circuits an d output overload. Either load fault co ndition will result in operating in a l ow power dissipation fold back mode. Th e converters will shut down for approxi mately 15ms, then attempt to restart. T his cycle will continue indefinitely un less the load fault is corrected. Recov ery to normal operation is automatic up on removal of the load fault. Manufactu red in a facility fully qualified to MI L-PRF38534, these converters are fabric ated utilizing DLA Land and Maritime qu alified processes. For available screen ing options, refer to device screening table in the data sheet. Variations in electrical, mechanical and screening sp ecifications can be accommodated. Conta ct IR HiRel San Jose for special requir ements. ATR Features  30W Output Po wer  Flexible Output Loading  -55 °C to +125°C Operation  Pin Compatible with ATO  0.410”








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