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ATW2805S/ES-MSTR Datasheet(PDF) 1 Page - International Rectifier |
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ATW2805S/ES-MSTR Datasheet(HTML) 1 Page - International Rectifier |
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1 / 10 page  12/14/06 www.irf.com 1 HYBRID-HIGH RELIABILITY DC/DC CONVERTER ATW28XXS SERIES Description n 19V to 40VDC Input Range (28VDC Nominal) n 30W Output Power n Indefinite Short Circuit and Overload Protection n 22.8W/in 3 Power Density n Fast Loop Response for Superior Transient Characteristics n Operating Temperature Range from -55°C to +125°C Available n Popular Industry Standard Pin-Out n Resistance Seam Welded Case for Superior Long Term Hermeticity n Efficiencies up to 83% n Shutdown from External Signal n Military Screening n 250,000 hour MTBF at 85°C n Standard Microcircuit Drawings Available Features ATW 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 elements in the 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. Contact IR Santa Clara for special requirements. Three standard temperature grades are offered. Refer to Part Number section. These devices are provided in a flanged package for secure mounting in severe environments. The ATW28XXS 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-704 input requirements, these devices operate with a nominal 28VDC input and are available with single outputs at 5V,12V and 15V. The circuit design incorporates a pulse width modulated push-pull topology operating in the feed-forward mode at a nominal switching frequency of 270KHz. Input to output isolation is achieved through the use of transformers in the forward and feedback circuits. PD-94556A |
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