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International Rectifier Electronic Components Datasheet

AMA28xxS Datasheet

RADIATION TOLERANT DC/DC CONVERTERS

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AMA28xxS pdf
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PD - 94687A
RADIATION TOLERANT
DC/DC CONVERTERS
AMA28XXS SERIES
28V Input, Single Output
Description
The AMA28XXS series of DC/DC converter modules
has been specifically designed for operation in
moderate radiation environments supplementing the
AMA
higher radiation performance available in the
International Rectifier ART2815T converter series.
Environments presented to space vehicles operating
in low earth orbits, launch boosters, orbiting space
Features
stations and similar applications requiring a low power, n 5 Watts Output Power
high performance converter with moderate radiation n Available in 3.3, 5, 12 and 15 Volt Outputs
hardness performance will be optimally served by the
AMA28XXS Series.
n 16 - 40 VDC Input Range (28 VDC Nominal)
n Total Ionizing Dose > 25KRads (Si)
2
The AMA28XXS has been designed for hDigahtadSenhseiteyt4U.ncomNo SEE to LET > 60 MeV-cm /mg
using chip and wire hybrid technology that complies n -55°C to +125°C Operating Range
with the class H requirements of MIL-PRF-38534. The n Indefinite Short Circuit Protection
physical configuration of the AMA28XXS series permits n Flexible Mounting
mounting directly to a heat conduction surface without n Fully Isolated - Input to Output and to Case
the necessity of signal leads penetrating the heat sink n Complimentary EMI Filter Available
surface. This package configuration permits greater n Electrical Performance Similar to
independence in mounting and more mechanical
ASA28XXS Series
security than traditional packages. Advanced Analog’s
rugged ceramic seal pins are used exclusively in the
package thereby assuring long term hermeticity.
The AMA28XXS has been designed for high density
using chip and wire hybrid technology that complies
with the class H requirements of MIL-PRF-38534.
Finished product will be fabricated in a facility fully
qualified to MIL-PRF-38534. The standard processing
adopted for the AMA28XXS meets the requirements of
MIL-PRF-38534 for class H but with enhanced
screening steps and includes element evaluation.
Applicable generic lot qualification test data including
radiation performance can be made available on
request. Variations to the standard screening can be
accommodated. Consult IR Santa Clara for special
requirements.
www.irf.com
DataSheet4U.com
1
03/02/04
DataShee



International Rectifier Electronic Components Datasheet

AMA28xxS Datasheet

RADIATION TOLERANT DC/DC CONVERTERS

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AMA28xxS pdf
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AMA28XXS Series
Specifications
Absolute Maximum Ratings
Input Voltage Range
-0.5V to +50VDC (Continuous), 80V (100ms)
Soldering Temperature
300°C for 10 seconds
Storage Case Temperature
65°C to +135°C
Recommended Operating Conditions
Input Voltage Range
+16V to +40VDC
Output Power
Less than or equal to 5W
Operating Case Temperature -55°C to +125°C
Static Characteristics -55°C TCASE +125°C, VIN=28 VDC ±5%, CL=0, unless otherwise specified.
Parameter
Group A
Subgroups
Test Conditions
Min Nom Max Unit
Input Voltage
16 28 40 V
Output Voltage
AMA2803R3S
AMA2805S
AMA2812S
AMA2815S
AMA2803R3S
AMA2805S
AMA2812S
AMA2815S
Iout=0
1
1
1
1
2, 3
2, 3
2, 3
2, 3
DataSheet4U.com
3.25
4.95
11.88
14.85
3.30
5.00
12.00
15.00
3.35
5.05
12.12
15.15
3.20
4.90
11.76
14.70
3.40
5.10
12.24
15.30
V
V
V
V
V
V
V
V
Output Current 1
AMA2803R3S
AMA2805S
AMA2812S
AMA2815S
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
Vin = 16, 28, 40 Volts
1200
1000
417
333
mA
mA
mA
mA
Output Power 1
AMA2803R3S
All Others
1, 2, 3
1, 2, 3
Vin = 28 Volts, 100% load
3.96
5.00
W
W
Output Ripple Voltage 2
AMA2803R3S
AMA2805S
AMA2812S
AMA2815S
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
Vin = 16, 28, 40 Volts
100% Load
BW = 20 Hz to 2 MHz
200 mVPP
200 mVPP
200 mVPP
200 mVPP
Output voltage
Regulation
Line
Load
1, 2, 3
1, 2, 3
Vin = 16, 28, 40 Volts
Iout = 0, 50%, and 100% load
±10 ±50 mV
±10 ±50 mV
DataShee
For Notes to Specifications, refer to page 4
2
DataSheet4U.com
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International Rectifier Electronic Components Datasheet

AMA28xxS Datasheet

RADIATION TOLERANT DC/DC CONVERTERS

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AMA28xxS pdf
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et4U.com
AMA28XXS Series
Static Characteristics (Continued) -55°C TCASE +125°C, VIN=28 VDC ±5%, CL=0, unless otherwise specified.
Parameter
Group A
Subgroups
Test Conditions
Min Nom Max Unit
Input Current
No Load
1, 2, 3
Vin=28V,
Iout=0, Inhibit (pin 5)=open
20 50 mA
Inhibit
1, 2, 3
Inhibit (pin 5) shorted to input
return (pin 7)
8 12 mA
Input Ripple Current 2
1, 2, 3
Vin = 16, 28, 40 Volts, 100%
load, BW = 20 Hz to 2 MHz
100 mAPP
Efficiency
AMA2803R3S
AMA2805S
AMA2812S
AMA2815S
AMA2803R3S
AMA2805S
AMA2812S
AMA2815S
100% load
1, 3
1, 3
1, 3
1, 3
2
2
2
2
63 %
66 %
71 %
71 %
60 %
66 %
68 %
68 %
Isolation
Capacitive Load 3, 4
AMA2803R3S
AMA2805S
AMA2812S
AMA2815S
1 Input to output or any pin to case 100
(except pin 8) at 500Vdc
DataSheet4U.com
4 No effect on dc performance
M
500 µF
500 µF
100 µF
100 µF
Short Circuit Power Dissipation
1, 2, 3
4 watts
MTBF
Weight
MIL-HDBK-217F, SF @ Tc=35°C 700
Khrs
32 g
DataShee
For Notes to Specifications, refer to page 4
www.irf.com
DataSheet4U.com
3




Part Number AMA28xxS
Description RADIATION TOLERANT DC/DC CONVERTERS
Maker International Rectifier
Total Page 7 Pages
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