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ATR2805S/CH Folha de dados(PDF) 1 Page - International Rectifier |
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ATR2805S/CH Folha de dados(HTML) 1 Page - International Rectifier |
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1 / 12 page  04/01/04 www.irf.com 1 HYBRID-HIGH RELIABILITY DC/DC CONVERTERS ATR28XXS SERIES Description n 16 to 40 VDC Input Range (28 VDC Nominal) n 3.3V, 5V, 12V and 15V Outputs Available n Indefinite Short Circuit and Overload Protection n Up to 35 W/in 3 Power Density n 30 Watt Output Power Models n Fast Loop Response for Superior Transient Characteristics n Operating Temperature Range from -55°C to +125°C n Popular Industry Standard Pin-Out n Resistance Seam Welded Case for Superior Long Term Hermeticity n Ceramic Feed-thru Pins n External Synchronization n Efficiencies up to 84% n Shutdown from External Signal n Military Screening 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. These converters are manufactured in a facility certified to MIL-PRF-38534. All processes used to manufacture these converters have been qualified to enable Advanced Analog to deliver compliant devices. Four screening grades are available to satisfy a wide range of requirements. The CH grade converters are fully compliant to MIL-PRF-38534 for class H. The HB grade converters are processed to full class H screening but do not have class H element evaluation as required by MIL-PRF-38534. Both grades are fully tested to confirm operation over the full military temperature range without derating of output power. The ES version is a full temperature device without the full class H or element evaluation. The non-suffix device is a low cost limited temperature range option. Variations in electrical, mechanical and screening can be accommodated. 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. PD - 94549A |
Nº de peça semelhante - ATR2805S/CH |
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Descrição semelhante - ATR2805S/CH |
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