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International Rectifier Electronic Components Datasheet

AHP2805S Datasheet

HIGH RELIABILITY HYBRID DC/DC CONVERTERS

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AHP2805S pdf
PD-97388
HIGH RELIABILITY
HYBRID DC/DC CONVERTERS
AHP28XXS SERIES
28V Input, Single Output
Description
The AHP Series of DC/DC converters feature high power
density without derating over the full military temperature
range. This series is offered as lower cost alternatives to
the legendary AFL series with improved performance
for new design applications. The AHPs are form, fit and
functional replacement to the AFL series. The new AHP
series offers a full compliment of single and dual output
AHP
voltages operating from nominal +28 or +270 volt inputs
with output power ranging from 66 to 120 watts. For Features
applications requiring higher output power, multiple
converters can be operated in parallel. The internal n 16 To 40 Volt Input Range
current sharing circuits assure equal current distribution
among the paralleled converters. Same as the AFL, the
n
n
3.3, 5, 8, 9,12,15 and
High Power Density -
2u8pVtoolt8s4OWutp/ uints3
Available
AHP series incorporates International Rectifier's n Up To 120 Watt Output Power
proprietary magnetic pulse feedback technology n Parallel Operation with Stress and Current Sharing
providing optimum dynamic line and load regulation n Input Over-Voltage Protection
response. This feedback system samples the output nwww.DataSheet.co.kr High Efficiency - to 85%
voltage at the pulse width modulator fixed clock n Continuous Short Circuit and Overload Protection
frequency; nominally 550 KHz. Multiple converters can n External Synchronization Port
be synchronized to a system clock in the 500 KHz to 700 n Remote Sensing Terminals
KHz range or to the synchronization output of one n Primary and Secondary Referenced
converter. Under-voltage lockout, primary and secondary
Inhibit Functions
referenced inhibit, soft-start and load fault protection are n Line Rejection > 40 dB - DC to 50KHz
provided on all models. Also included is input over- n Fault Tolerant Design
voltage protection, a new protection feature unique to n Full Military Temperature Range
the AHP.
n Ceramic Feedthru Copper Core Pins
n Low Profile (0.380") Seam Welded Package
These converters are hermetically packaged in two n Dual Output Versions Available
enclosure variations, utilizing copper core pins to
minimize resistive DC losses. Three lead styles are
available, each fabricated with International Rectifier’s
rugged ceramic lead-to-package seal assuring long
term hermeticity in 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
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complete group “A” test specification over the full
military temperature range without output power
de-rating. Two grades with more limited screening
are also available for use in less demanding
applications. Variations in electrical, mechanical
and screening can be accommodated. Please
contact IR Santa Clara for special requirements.
1
04/16/09
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International Rectifier Electronic Components Datasheet

AHP2805S Datasheet

HIGH RELIABILITY HYBRID DC/DC CONVERTERS

No Preview Available !

AHP2805S pdf
AHP28XXS Series
Specifications
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Soldering Temperature
-0.5V to 50V
300°C for 10 seconds
Case Temperature - Operating
Case Temperature - Storage
-55°C to +125°C
-65°C to +135°C
Static Characteristics -55°C < TCASE < +125°C, 16V< VIN < 40V unless otherwise specified.
Parameter
Group A
Subgroups
Test Conditions
Min Nom Max
INPUT VOLTAGE
OUTPUT VOLTAGE
AHP2803R3S
AHP2805S
AHP2808S
AHP2809S
AHP2812S
AHP2815S
AHP2828S
AHP2803R3S
AHP2805S
AHP2808S
AHP2809S
AHP2812S
AHP2815S
AHP2828S
Note 6
VIN = 28V, 100% Load
1
1
1
1
1
1
1
2, 3
2, 3
2, 3
2, 3
2, 3
2, 3
2, 3
16 28 40
3.27
4.95
7.92
8.91
11.88
14.85
27.72
3.23
4.90
7.84
8.82
11.76
14.70
27.44
3.30
5.00
8.00
9.00
12.00
15.00
28.00
3.33
5.05
8.08
9.09
12.12
15.15
28.28
3.37
5.10
8.16
9.18
12.24
15.30
28.56
Unit
V
V
OUTPUT CURRENT
AHP2803R3S
AHP2805S
AHP2808S
AHP2809S
AHP2812S
AHP2815S
AHP2828S
VIN = 16, 28, 40V - Note 6
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OUTPUT POWER
AHP2803R3S
AHP2805S
AHP2808S
AHP2809S
AHP2812S
AHP2815S
AHP2828S
Note 6
MAXIMUM CAPACITIVE LOAD
Note 1
OUTPUT VOLTAGE
TEMPERATURE COEFFICIENT
VIN = 28V, 100% Load – Notes 1, 6
OUTPUT VOLTAGE REGULATION
AHP2828S
Line
All Others
Line
Load
1, 2, 3
1, 2, 3
1, 2, 3
No Load, 50% Load, 100% Load
VIN = 16, 28, 40V
OUTPUT RIPPLE VOLTAGE
AHP2803R3S
AHP2805S
AHP2808S
AHP2809S
AHP2812S
AHP2815S
AHP2828S
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
VIN = 16, 28, 40V, 100% Load,
BW = 10MHz
For Notes to Specifications, refer to page 4
2
10,000
-0.015
-70
-20
-1.0
20
16
10
10 A
9.0
8.0
4.0
66
80
80
90
108
120
112
+0.015
W
µF
%/°C
+70
+20
+1.0
mV
mV
%
30
30
40 mVpp
40
45
50
100
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International Rectifier Electronic Components Datasheet

AHP2805S Datasheet

HIGH RELIABILITY HYBRID DC/DC CONVERTERS

No Preview Available !

AHP2805S pdf
AHP28XXS Series
Static Characteristics (Continued)
Parameter
Group A
Subgroups
Test Conditions
INPUT CURRENT
No Load
Inhibit 1
Inhibit 2
1
2, 3
1, 2, 3
1, 2, 3
VIN = 28V
IOUT = 0
Pin 4 Shorted to Pin 2
Pin 12 Shorted to Pin 8
INPUT RIPPLE CURRENT
AHP2803R3S
AHP2805S
AHP2808S
AHP2809S
AHP2812S
AHP2815S
AHP2828S
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
VIN = 28V, 100% Load, BW = 10MHz
CURRENT LIMIT POINT
As a percentage of full rated load
VOUT = 90% VNOM, VIN = 28V, Note 5
1
2
3
LOAD FAULT POWER
DISSIPATION
Overload or Short Circuit
1, 2, 3
VIN = 28V
EFFICIENCY
AHP2803R3S
AHP2805S
AHP2808S
AHP2809S
AHP2812S
AHP2815S
AHP2828S
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
VIN = 28V, 100% Load
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ENABLE INPUTS (Inhibit Function)
Converter Off
Sink Current
Converter On
Sink Current
1, 2, 3
1, 2, 3
Logical Low on Pin 4 or Pin 12
Note 1
Logical High on Pin 4 and Pin 12 - Note 9
Note 1
SWITCHING FREQUENCY
1, 2, 3
SYNCHRONIZATION INPUT
Frequency Range
Pulse Amplitude, Hi
Pulse Amplitude, Lo
Pulse Rise Time
Pulse Duty Cycle
1, 2, 3
1, 2, 3
1, 2, 3
Note 1
Note 1
ISOLATION
1 Input to Output or Any Pin to Case
(except Pin 3). Test @ 500VDC
DEVICE WEIGHT
Slight Variations with Case Style
MTBF
MIL-HDBK-217F, AIF @ TC = 70°C
Min
115
105
125
72
78
79
80
80
81
81
-0.5
2.0
500
500
2.0
-0.5
20
100
300
Nom Max Unit
80
100 mA
5.0
50
60
60
60 mApp
60
60
60
60
125
115 %
140
33 W
74
81
82
83 %
84
85
84
0.8 V
100 µA
50 V
100 µA
550 600 KHz
700 KHz
10 V
0.8 V
100 ns
80 %
M
85 g
KHrs
For Notes to Specifications, refer to page 4
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3
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Part Number AHP2805S
Description HIGH RELIABILITY HYBRID DC/DC CONVERTERS
Maker International Rectifier
Total Page 12 Pages
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