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International Rectifier Electronic Components Datasheet



ART28XXT

HYBRID - HIGH RELIABILITY RADIATION HARDENED DC/DC CONVERTER


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ART28XXT pdf
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PD-94529B
HYBRID - HIGH RELIABILITY
RADIATION HARDENED
DC/DC CONVERTER
ART28XXT SERIES
28V Input, Triple Output
Description
The ART Series of three output DC/DC converters are
designed specifically for use in the hostile radiation
environments characteristic of space and weapon
systems. The extremely high level of radiation tolerance
inherent in the ART design is the culmination of
extensive research, thorough analysis and testing and
of careful component specification. Many of the best
circuit design features characterizing the International
Rectifier standard product line were adapted for
incorporation into the ART topology. Capable of
uniformly high performance over long term exposures
in radiation intense environments, this series sets the
standard for distributed power systems demanding high
performance and reliability.
The ART converters are hermetically sealed in a
rugged, low profile package utilizing copper core pins
to minimize resistive DC losses. Long-term hermeticity
is assured through use of parallel seam welded lid
attachment along with International Rectifier’s rugged
ceramic pin-to-package seal. Axial orientation of the
leads facilitates preferred bulkhead mounting to the
principal heat-dissipating surface.
Manufactured in a facility fully qualified to MIL-PRF-38534,
class K, these converters are fabricated utilizing DSCC
qualified processes and are fully compliant to Class K.
The complete suite of PI tests has been completed
including Group C life test. Variations in electrical,
mechanical and screening specifications can be
accommodated. Contact IR Santa Clara for special
requirements.
ART
Features
n Total Dose > 100 krad (Si), 2:1margin
n No SEE to LET > 83 Mev.cm2 /mg
n Derated per MIL-STD-975 & MIL-STD-1547
n Output Power Range 3 to 30 Watts
n 19 to 50 Volt Input Range
n Input Undervoltage Lockout
n High Electrical Efficiency > 83%
n Full Performance from -55°C to +125°C
n Continuous Short Circuit and Overload
Protection
n 12.8 W/in3 Output Power Density
n True Hermetic Package
n External Inhibit Port
n Externally Synchronizable
n Fault Tolerant Design
n 5V, ±12V or ±15 V Outputs Available
www.irf.com
1
08/12/04



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ART28XXT pdf
ART28XXT Series
SPECIFICATIONS
Absolute Maximum/Minimum Ratings Note1 Recommended Operating Conditions Note 2
Input Voltage
Minimum Output Current
Soldering Temperature
Storage Temperature
-0.5V to 80V
5% maximum rated
current, any output
300°C for 10 seconds
-65°C to +135°C
Input Voltage Range 19V to 60V
19V to 50V for full derating
to MIL-STD-975
Output Power Range 3W to 30 W
Operating Temperature -55°C to +125°C
-55°C to +85°C for full
derating to MIL-STD-975
Electrical Performance -55°C < TCASE < +125°C, VIN=28V, CL=0 unless otherwise specified.
Parameter
Symbol
Conditions
Output voltage accuracy
Output power Note 5
Output current Note 5
Line regulation Note 3
Load regulation Note 4
Cross regulation Note 8
Total regulation
Input current
Output ripple voltage Note 6
Input ripple current Note 6
Switching frequency
Efficiency
VOUT
POUT
IOUT
VRLINE
VRLOAD
VRCROSS
VR
IIN
VRIP
IRIP
FS
Eff
IOUT = 1.5Adc, TC = +25°C
(main)
IOUT = ±250mAdc, TC = +25°C ART2812(dual)
IOUT = ±250mAdc, TC = +25°C ART2815(dual)
19 Vdc< VIN < 50Vdc
19 Vdc< VIN < 50Vdc
(main)
(dual)
150 mAdc < IOUT < 3000 mAdc
19 Vdc< VIN < 50Vdc
±75 mAdc < IOUT < ±750 mAdc
(main)
(dual)
150 mAdc < IOUT < 3000 mAdc
19 Vdc< VIN < 50Vdc
±75 mAdc < IOUT < ±750 mAdc
(main)
(dual)
19 Vdc< VIN < 50Vdc
(main)
(dual)
All conditions of Line, Load,
(main)
Cross Regulation, Aging,
Temperature and Radiation ART2812(dual)
ART2815(dual)
IOUT = minimum rated, Pin 3 open
Pin 3 shorted to pin 2 (disabled)
19 Vdc< VIN < 50Vdc
IOUT = 3000 mAdc (main), ±500 mAdc (dual)
19 Vdc< VIN < 50Vdc
IOUT = 3000 mAdc (main), ±500 mAdc (dual)
Sychronization input open. (pin 6)
IOUT = 3000 mAdc (main), ±500 mAdc (dual)
For Notes to SPECIFICATIONS, refer to page 3
2
Min
4.95
±11.50
±14.50
3.0
150
75
-15
-60
-180
-300
-10
-500
4.8
±11.1
±13.9
225
83
Max
5.05
±12.50
±15.15
30
3000
750
+15
+60
+180
+300
+10
+500
5.2
±12.9
±16.0
250
8.0
70
Units
Vdc
W
mAdc
mV
mV
mV
V
mA
mVp.p
100 mAp.p
275 kHz
%
www.irf.com



Part Number ART28XXT
Description HYBRID - HIGH RELIABILITY RADIATION HARDENED DC/DC CONVERTER
Maker International Rectifier - International Rectifier
Total Page 12 Pages
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