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AHP2815SZES Datasheet(PDF) 1 Page - International Rectifier

Part # AHP2815SZES
Description  HIGH RELIABILITY HYBRID DC/DC CONVERTERS
Download  12 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

AHP2815SZES Datasheet(HTML) 1 Page - International Rectifier

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04/16/09
www.irf.com
1
HIGH RELIABILITY
HYBRID DC/DC CONVERTERS
AHP28XXS SERIES
The AHP Series of DC/DC converters feature high power
density without derating over the full military temperature
range. This series is offered as lower cost alternatives to
the legendary AFL series with improved performance
for new design applications. The AHPs are form, fit and
functional replacement to the AFL series. The new AHP
series offers a full compliment of single and dual output
voltages operating from nominal +28 or +270 volt inputs
with output power ranging from 66 to 120 watts. 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. Same as the AFL, the
AHP 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 500 KHz to 700
KHz 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. Also included is input over-
voltage protection, a new protection feature unique to
the AHP.
Description
n 16 To 40 Volt Input Range
n 3.3, 5, 8, 9,12,15 and 28 Volts Outputs Available
n High Power Density - up to 84 W / in3
n Up To 120 Watt Output Power
n Parallel Operation with Stress and Current Sharing
n Input Over-Voltage Protection
n High Efficiency - to 85%
n Continuous Short Circuit and Overload Protection
n External Synchronization Port
n Remote Sensing Terminals
n Primary and Secondary Referenced
Inhibit Functions
n Line Rejection > 40 dB - DC to 50KHz
n Fault Tolerant Design
n Full Military Temperature Range
n Ceramic Feedthru Copper Core Pins
n Low Profile (0.380") Seam Welded Package
n Dual Output Versions Available
Features
28V Input, Single Output
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 harsh environments.
complete group “A” test specification over the full
military temperature range without output power
de-rating. Two grades with more limited screening
are also available for use in less demanding
applications. Variations in electrical, mechanical
and screening can be accommodated. Please
contact IR Santa Clara for special requirements.
Manufactured in a facility fully qualified to MIL-PRF-
38534, these converters are available in four screening
grades to satisfy a wide range of requirements. The
CH grade is fully compliant to the requirements of MIL-
PRF-38534 for class H. The HB grade is fully processed
and screened to the class H requirement, but does not
have material element evaluated to the class H
requirement. Both grades are tested to meet the
AHP
PD-97388


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