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ARM2812T Datasheet

HYBRID-HIGH RELIABILITY 1MEGA-RAD HARDENED DC-DC CONVERTER

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HYBRID-HIGH RELIABILITY
1MEGA-RAD HARDENED
DC-DC CONVERTER
PD-94530C
ARM28XXT SERIES
28V Input, Triple Output
 
Description
The ARM Series of three output DC-DC converters are
designed specifically for use in the high-dose radiation
environments encountered during deep space planetary
missions. The extremely high level of radiation tolerance
inherent in the ARM design is assured as a result of extensive
research, thorough analysis and testing, careful selection
of components and lot verification testing of finished hybrids.
Many of the best circuit design features characterizing
earlier IR HiRel products have been incorporated into the ARM
topology. Capable of uniformly high performance through
long term exposures in radiation intense environments,
this series sets the standard for distributed power systems
demanding high performance and reliability.
The ARM converters are hermetically sealed in a rugged,
low profile package utilizing copper core pins to minimize
resistive DC losses. Long-term hermetically is assured
through use of parallel seam welded lid attachment along
with IR HiRel rugged ceramic pin-to-package seal. Axial lead
orientation facilitates preferred bulkhead mounting to the
principal heat-dissipating surface.
Manufactured in a facility fully qualified to MIL-PRF-
38534, these converters are fabricated utilizing DLA Land
and Maritime qualified processes. For available screening
options, refer to device screening table in the data sheet.
Variations in electrical, mechanical and screening specifications
can be accommodated. Contact IR HiRel San Jose for special
requirements. 
ARM
Features
Total Dose > 1 MRads(Si)
SEE Hardened to LET up to 83 MeV.cm2/mg
De-rated per MIL-STD-975 & MIL-STD-1547
Output Power Range 3 to 30 Watts
19 to 50 Volt Input Range
Input Under voltage Lockout
High Electrical Efficiency > 80%
Full Performance from -55°C to +125°C
Continuous Short Circuit Protection
12.8 W/in3 Output Power Density
True Hermetic Package
External Inhibit Port
Externally Synchronization
Fault Tolerant Design
5V, ±12V or 5V, ±15V Outputs Available
1 2016-07-01


International Rectifier Electronic Components Datasheet

ARM2812T Datasheet

HYBRID-HIGH RELIABILITY 1MEGA-RAD HARDENED DC-DC CONVERTER

No Preview Available !

ARM28XXT SERIES
(28V Input, Triple Output)
Specifications
Absolute Maximum Ratings  
Recommended Operating Conditions   
Input voltage range
-0.5VDC to +80VDC Input voltage range
+19VDC to +60VDC
+19V to +50V for full de-rating to
MIL-STD-975
Minimum Output Current
5% Maximum rated
current, any Output
Output power
3.0W to 30W
Soldering temperature
300°C for 10 seconds
-55°C to +125°C
Storage case temperature
-65°C to +135°C
Operating case temperature -55°C to +85°C for full de-rating to
MIL-STD-975
Static Characteristics -55°C TCASE +125°C, VIN = 28VDC, CL= 0, unless otherwise specified.
Parameter
Symbol
Test Conditions
Limits
Unit
Min. Max.
Output voltage accuracy
Output power
Output current
Note 5
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
VOUT
POUT
IOUT
VRLINE
VRLOAD
VRCROSS
VR
IIN
VRIP
IRIP
FS
IOUT = 1.5Adc, TC = +25°C
(main)
IOUT = ±250mAdc, TC = +25°C ARM2812 (dual)
IOUT = ±250mAdc, TC = +25°C ARM2815 (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,
Cross Regulation, Aging,
Temperature and Radiation
(main)
ARM2812 (dual)
ARM2815 (dual)
IOUT = minimum rated, Pin 3 open
Pin 3 shorted to pin 2 (disabled)
19 VDC< VIN < 50VDC
IOUT = 3000 mAdc (main), ±500 mAdc
19 VDC< VIN < 50VDC
IOUT = 3000 mAdc (main), ±500 mAdc
Synchronization input open. (pin 6)
(dual)
(dual)
Efficiency
EFF IOUT = 3000 mAdc (main), ±500 mAdc
Enable Input
open circuit voltage
drive current (sink)
voltage range
19VDC< VIN < 50VDC
For Notes to Electrical Performance Characteristics, refer to page 3
(dual)
2
4.95 5.05
±11.50 ±12.50
±14.50 ±15.15
3.0 30
VDC
W
150 3000
mAdc
75 750
-15 +15
mV
-60 +60
-180 +180 mV
-300 +300
-10 +10 mV
-500
4.8
+500
5.2
±11.1
±13.9
±12.9
±16.0
250
8.0
V
mA
100 mVp.p
150 mAp.p
225 275 kHz
80 %
3.0 5.0
V
0.1 mA
-0.5 50.0
V
2016-07-01


Part Number ARM2812T
Description HYBRID-HIGH RELIABILITY 1MEGA-RAD HARDENED DC-DC CONVERTER
Maker IRF
Total Page 14 Pages
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