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AFL2812DXHB

Description
HYBRID-HIGH RELIABILITY DC/DC CONVERTER
File Size180KB,11 Pages
ManufacturerInternational Rectifier ( Infineon )
Websitehttp://www.irf.com/
Download Datasheet View All

AFL2812DXHB Overview

HYBRID-HIGH RELIABILITY DC/DC CONVERTER

PD - 94463C
AFL120XXD SERIES
120V Input, Dual Output
HYBRID-HIGH RELIABILITY
DC/DC CONVERTER
Description
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.
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.
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.
AFL
Features
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80V To 160V Input Range
±
5V,
±
12V, and
±
15V Outputs Available
High Power Density - up to 70W/in3
Up To 100W Output Power
Parallel Operation with Power Sharing
Low Profile (0.380") Seam Welded Package
Ceramic Feedthru Copper Core Pins
High Efficiency - to 87%
Full Military Temperature Range
Continuous Short Circuit and Overload
Protection
Output Voltage Trim
Primary and Secondary Referenced
Inhibit Functions
Line Rejection > 50dB - DC to 50KHz
External Synchronization Port
Fault Tolerant Design
Single Output Versions Available
Standard Microcircuit Drawings Available
www.irf.com
1
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