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AFL27028DY/CH

Description
DC-DC Regulated Power Supply Module, 2 Output, 66W, Hybrid
CategoryPower/power management    The power supply circuit   
File Size442KB,16 Pages
ManufacturerInternational Rectifier ( Infineon )
Websitehttp://www.irf.com/
Download Datasheet Parametric View All

AFL27028DY/CH Overview

DC-DC Regulated Power Supply Module, 2 Output, 66W, Hybrid

AFL27028DY/CH Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerInternational Rectifier ( Infineon )
package instruction,
Reach Compliance Codecompliant
ECCN codeEAR99
Analog Integrated Circuits - Other TypesDC-DC REGULATED POWER SUPPLY MODULE
Nominal input voltage270 V
JESD-30 codeR-XDMA-P12
JESD-609 codee0
Number of functions1
Output times2
Number of terminals12
Maximum operating temperature125 °C
Minimum operating temperature-55 °C
Nominal output voltage28 V
Package body materialUNSPECIFIED
Package shapeRECTANGULAR
Package formMICROELECTRONIC ASSEMBLY
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Filter levelMIL-PRF-38534
surface mountNO
technologyHYBRID
Temperature levelMILITARY
Terminal surfaceTIN LEAD
Terminal formPIN/PEG
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
Maximum total power output66 W
Fine-tuning/adjustable outputYES
PD - 94435A
AFL270XXS 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 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 cur-
rent sharing circuits assure equal current distribution
among the paralleled converters. This series incorpo-
rates Advanced Analog’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 con-
verters can be synchronized to a system 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 models.
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
270V Input, Single Output
AFL
Features
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160 To 400 Volt Input Range
5, 6, 9, 12, 15 and 28 Volt Outputs Available
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 > 60 dB - DC to 50KHz
External Synchronization Port
Fault Tolerant Design
Dual Output Versions Available
Standard Military Drawings Available
demanding applications. Variations in electrical,
mechanical and screening can be accommo-
dated. Contact Advanced Analog for special re-
quirements.
www.irf.com
1
07/24/02
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