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AFL12028S

Description
1-OUTPUT 120 W DC-DC REG PWR SUPPLY MODULE
Categoryaccessories   
File Size125KB,11 Pages
ManufacturerInternational Rectifier ( Infineon )
Websitehttp://www.irf.com/
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AFL12028S Overview

1-OUTPUT 120 W DC-DC REG PWR SUPPLY MODULE

PD - 94447B
AFL120XXS SERIES
ADVANCED ANALOG
HIGH RELIABILITY
HYBRID DC/DC CONVERTERS
Description
The AFL Series of DC/DC converters feature high power
density with no derating over the full military tempera-
ture range. This series is offered as part of a complete
family of converters providing single and dual output
voltages and operating from nominal +28, +50, +120 or
+270 volt inputs with output power ranging from 80 to
120 watts. For applications requiring higher output
power, multiple converters can be operated in parallel.
The internal current sharing circuits assure equal cur-
rent distribution among the paralleled converters. This
series incorporates Advanced Analog’s proprietary mag-
netic pulse feedback technology providing optimum
dynamic line and load regulation response. This feed-
back system samples the output voltage at the pulse
width modulator fixed clock frequency, nominally 550
KHz. Multiple converters can be synchronized to a sys-
tem clock in the 500 KHz to 700 KHz 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 mod-
els.
These converters are hermetically packaged in two en-
closure variations, utilizing copper core pins to mini-
mize resistive DC losses. Three lead styles are avail-
able, each fabricated with Advanced Analog’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 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 complete group “A”
test specification over the full military temperature range
without output power deration. Two grades with more
limited screening are also available for use in less de-
120V Input, Single Output
AFL
Features
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80 To 160 Volt Input Range
High Power Density - up to 84 W / in3
Up To 120 Watt Output Power
Parallel Operation with Stress and Current
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
Remote Sensing Terminals
Primary and Secondary Referenced
Inhibit Functions
Line Rejection > 50 dB - DC to 50KHz
External Synchronization Port
Fault Tolerant Design
Dual Output Versions Available
Standard Military Drawings Available
manding applications. Variations in electrical, me-
chanical and screening can be accommodated.
Contact Advanced Analog for special require-
ments.
www.irf.com
1
09/10/02

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Description 1-OUTPUT 120 W DC-DC REG PWR SUPPLY MODULE 1-OUTPUT 120 W DC-DC REG PWR SUPPLY MODULE 1-OUTPUT 120 W DC-DC REG PWR SUPPLY MODULE 1-OUTPUT 120 W DC-DC REG PWR SUPPLY MODULE 1-OUTPUT 120 W DC-DC REG PWR SUPPLY MODULE 1-OUTPUT 120 W DC-DC REG PWR SUPPLY MODULE 1-OUTPUT 120 W DC-DC REG PWR SUPPLY MODULE
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