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International Rectifier Electronic Components Datasheet



AHP28xxS

HIGH RELIABILITY HYBRID DC/DC CONVERTERS


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AHP28xxS 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
www.irf.com
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
Datasheet pdf - http://www.DataSheet4U.net/



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AHP28xxS 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
www.DataSheet.co.kr
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
www.irf.com
Datasheet pdf - http://www.DataSheet4U.net/



Part Number AHP28xxS
Description HIGH RELIABILITY HYBRID DC/DC CONVERTERS
Maker International Rectifier - International Rectifier
Total Page 12 Pages
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