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ATR2805S/CH Datasheet(PDF) 1 Page - International Rectifier |
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ATR2805S/CH Datasheet(HTML) 1 Page - International Rectifier |
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1 / 12 page  01/15/07 www.irf.com 1 HYBRID-HIGH RELIABILITY DC/DC CONVERTER ATR28XXS SERIES Description 16V to 40VDC Input Range (28VDC Nominal) 3.3V, 5V, 12V and 15V Outputs Available Indefinite Short Circuit and Overload Protection Up to 35W/in 3 Power Density 30W Output Power Models Fast Loop Response for Superior Transient Characteristics Operating Temperature Range from -55°C to +125°C Popular Industry Standard Pin-Out Resistance Seam Welded Case for Superior Long Term Hermeticity Ceramic Feed-thru Pins External Synchronization Efficiencies up to 84% Shutdown from External Signal Military Screening Standard Microcircuit Drawings Available Features ATR 28V Input, Single Output The advanced feedback design provides fast loop response for superior line and load transient characteristics and offers greater reliability and radiation tolerance than devices incorporating optical feedback circuits. Three standard temperature grades are offered with screening options. Refer to Part Number section. These devices can be provided in a standard plug-in package for PC mounting or in a flanged package for more severe environments. Extensive computer simulation using complex modeling enables rapid design modification to be provided. Contact IR Santa Clara with specific requirements. The ATR28XXS Series of DC/DC converters feature high power density and an extended temperature range for use in military and industrial applications. Designed to MIL-STD-704D input requirements, these devices have nominal 28VDC inputs with 3.3V, 5V, 12V and 15V single outputs to satisfy a wide range of requirements. The circuit design incorporates a pulse width modulated single forward topology operating in the feed-forward mode at a nominal switching frequency of 550KHz. Input to output isolation is achieved through the use of transformers in the forward and feedback circuits. Manufactured in a facility fully qualified to MIL-PRF- 38534, these converters are fabricated utilizing DSCC qualified processes. For available screening options, refer to device screening table in the data sheet. Variations in electrical, mechanical and screening can be accommodated. PD - 94549B |
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