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| 型號(hào)： | AFL28XXS |
| 廠商： | International Rectifier |
| 英文描述： | 28V Input, Single Output HYBRID-HIGH RELIABILITY DC/DC CONVERTER |
| 中文描述： | 28V輸入，單輸出混合，高度可靠的DC / DC變換器 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大小： | 253K |
| 代理商： | AFL28XXS |
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1
AFL28XXS SERIES
28V Input, Single Output
The AFL Series of DC/DC converters feature high power
density with no derating over the full military
temperature range. This series is offered as part of a
complete family of converters providing single and dual
output voltages and operating from nominal +28V or
+270V inputs with output power ranging from 80W to
120W. For applications requiring higher output power,
individual 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 550KHz. Multiple converters can be
synchronized to a system clock in the 500KHz to 700KHz
range or to the synchronization output of one converter.
Undervoltage lockout, primary and secondary
referenced inhibit, soft-start and load fault protection
are provided on all models.
Description
16V To 40V Input Range
5V, 7V, 8V, 9V,12V,15V and 28V Outputs
Available
High Power Density - up to 84W/in3
Up To 120W Output Power
Parallel Operation with Power Sharing
Low Profile (0.380") Seam Welded Package
Ceramic Feedthru Copper Core Pins
High Efficiency - to 85%
Full Military Temperature Range
Continuous Short Circuit and Overload
Protection
Primary and Secondary Referenced
Inhibit Functions
Line Rejection > 40dB - DC to 50KHz
External Synchronization Port
Fault Tolerant Design
Dual Output Versions Available
Standard Microcircuit Drawings Available
Features
AFL
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 with International Rectifier’s
rugged ceramic lead-to-package seal assuring long
term hermeticity in the most harsh environments.
HYBRID-HIGH RELIABILITY
DC/DC CONVERTER
PD-94460C
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