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International Rectifier Electronic Components Datasheet

AFL50XXS Datasheet

HYBRID-HIGH RELIABILITY DC/DC CONVERTER

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AFL50XXS pdf
PD - 94457B
HYBRID-HIGH RELIABILITY
DC/DC CONVERTER
AFL50XXS SERIES
50V Input, Single Output
Description
The AFL Series of DC/DC converters feature high power
density with no derating over the full military temperature
range. This series is offered as part of a complete family
of converters providing single and dual output voltages
and operating from nominal +28V, +50V, +120V or +270V
inputs with output power ranging from 80W to 120W.
For applications requiring higher output power,
individual converters can be operated in parallel. The
internal current sharing circuits assure equal current
distribution among the paralleled converters. This series
incorporates International Rectifier’s proprietary
magnetic pulse feedback technology providing
optimum dynamic line and load regulation response.
This feedback system samples the output voltage at
the pulse width modulator fixed clock frequency,
nominally 550KHz. Multiple converters can be
synchronized to a system clock in the 500KHz to 700
KHz range or to the synchronization output of one
converter. Undervoltage lockout, primary and secondary
referenced inhibit, soft-start and load fault protection
are provided on all models.
These converters are hermetically packaged in two
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 the most harsh environments.
Manufactured in a facility fully qualified to MIL-PRF-
38534, these converters are fabricated utilizing DSCC
qualified processes. For available screening options,
refer to device screening table in the data sheet.
Variations in electrical, mechanical and screening can
be accommodated. Contact IR Santa Clara for special
requirements.
AFL
Features
n 30V To 80V Input Range
n
n
5HVig, h8VP,o9wV,e1r 2DVe, n1s5iVtya-nudp2t8oV8O4uWtp/uints3 Available
n Up To 120W Output Power
n Parallel Operation with Stress and Current
Sharing
n Low Profile (0.380") Seam Welded Package
n Ceramic Feedthru Copper Core Pins
n High Efficiency - to 85%
n Full Military Temperature Range
n Continuous Short Circuit and Overload
Protection
n Remote Sensing Terminals
n Primary and Secondary Referenced
Inhibit Functions
n Line Rejection > 40dB - DC to 50KHz
n External Synchronization Port
n Fault Tolerant Design
n Dual Output Versions Available
n Standard Microcircuit Drawings Available
www.irf.com
1
12/15/06
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International Rectifier Electronic Components Datasheet

AFL50XXS Datasheet

HYBRID-HIGH RELIABILITY DC/DC CONVERTER

No Preview Available !

AFL50XXS pdf
AFL50XXS Series
Specifications
Absolute Maximum Ratings
Input voltage
Soldering temperature
Operating case temperature
Storage case temperature
-0.5V to +100VDC
300°C for 10 seconds
-55°C to +125°C
-65°C to +135°C
Static Characteristics -55°C < TCASE < +125°C, 30V< VIN < 80V unless otherwise specified.
Parameter
INPUT VOLTAGE
OUTPUT VOLTAGE
AFL5005S
AFL5008S
AFL5009S
AFL5012S
AFL5015S
AFL5028S
AFL5005S
AFL5008S
AFL5009S
AFL5012S
AFL5015S
AFL5028S
Group A
Subgroups
1
1
1
1
1
1
2, 3
2, 3
2, 3
2, 3
2, 3
2, 3
Test Conditions
Note 6
VIN = 50 Volts, 100% Load
Min Nom Max Unit
30 50 80
V
4.95
7.92
8.91
11.88
14.85
27.72
4.90
7.84
8.82
11.76
14.70
27.44
5.00
8.00
9.00
12.00
15.00
28.00
5.05
8.08
9.09
12.12
15.15
28.28
5.10
8.16
9.18
12.24
15.30
28.56
V
OUTPUT CURRENT
AFL5005S
AFL5008S
AFL5009S
AFL5012S
AFL5015S
AFL5028S
OUTPUT POWER
AFL5005S
AFL5008S
AFL5009S
AFL5012S
AFL5015S
AFL5028S
MAXIMUM CAPACITIVE LOAD
OUTPUT VOLTAGE
TEMPERATURE COEFFICIENT
OUTPUT VOLTAGE REGULATION
AFL5028S
Line
All Others
Line
Load
OUTPUT RIPPLE VOLTAGE
AFL5005S
AFL5008S
AFL5009S
AFL5012S
AFL5015S
AFL5028S
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
VIN = 30, 50, 80 Volts - Note 6
Note 6
Note 1
VIN = 50 Volts, 100% Load - Note 1, 6
10,000
-0.015
No Load, 50% Load, 100% Load
VIN = 30, 50, 80 Volts
VIN = 30, 50, 80 Volts, 100% Load,
BW = 10MHz
-70.0
-20.0
-1.0
16.0
10.0
10.0
9.0
8.0
4.0
A
80
80
90
108
120
112
+0.015
W
µF
%/°C
+70.0
+20.0
+1.0
mV
mV
%
30
40
40 mVpp
45
50
100
For Notes to Specifications, refer to page 4
2 www.irf.com
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Part Number AFL50XXS
Description HYBRID-HIGH RELIABILITY DC/DC CONVERTER
Maker IRF
Total Page 12 Pages
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