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AFL12003R3SWHB Datasheet(PDF) 1 Page - International Rectifier |
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AFL12003R3SWHB Datasheet(HTML) 1 Page - International Rectifier |
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1 / 9 page  12/12/06 www.irf.com 1 The AFL Series of DC/DC converters feature high power density with no derating over the full military temperature range. This device is offered as part of a complete family of converters providing single and dual output voltages originally created to operate over a broad input voltage range of 28V to 270V with output power ranging from 66W to 120W. For applications requiring higher output power, multiple converters can be operated in parallel. The internal current sharing circuits assure equal current distribution among the paralleled converters. This series incorporates International Rectifier’s proprietary magnetic pulse feedback technology providing optimum dynamic line and load regulation response. This feedback system samples the output voltage at the pulse width modulator fixed clock frequency, nominally 550 KHz. Multiple converters can be synchronized to a system clock in the 500KHz to 700KHz range or to the synchronization output of one converter. Under voltage lockout, primary and secondary referenced inhibit, soft start and load fault protection are provided on all models. Description n 30V To 80V Input Range n 3.3V Output n High Power Density - 50W/in3 n 66W Output Power n Parallel Operation with Stress and Current Sharing n Low Profile (0.380") Seam Welded Package n Ceramic Feed thru Copper Core Pins n High Efficiency - to 74% n Full Military Temperature Range n Continuous Short Circuit and Overload Protection n Remote Sensing Terminals n Primary and Secondary Referenced Inhibit Functions n Line Rejection > 40dB - DC to 50KHz n External Synchronization Port n Fault Tolerant Design Features AFL 50V Input, 3.3V Output HYBRID-HIGH RELIABILITY DC/DC CONVERTER 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. These converters are hermetically packaged in two enclosure variations, utilizing copper core pins to minimize resistive DC losses. Three lead styles are available, each fabricated using International Rectifier’s rugged ceramic lead-to-package seal assuring long term hermeticity in the most harsh environments. AFL5003R3S PD - 94528C |
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