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International Rectifier Electronic Components Datasheet

AFL50xxS Datasheet

ADVANCED ANALOG HIGH RELIABILITY HYBRID DC/DC CONVERTERS

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AFL50xxS pdf
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PD - 94457A
ADVANCED ANALOG
HIGH RELIABILITY
HYBRID DC/DC CONVERTERS
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 tempera-
ture range. This series is offered as part of a complete
family of converters providing single and dual output
voltages and operating from nominal +28, +50, +120 or
+270 volt inputs with output power ranging from 80 to
120 watts. For applications requiring higher output
power, individual converters can be operated in paral-
lel. The internal current sharing circuits assure equal
current distribution among the paralleled converters.This
series incorporates Advanced Analog’s proprietary mag-
netic pulse feedback technology providing optimum
dynamic line and load regulation response. This feed-
back system samples the output voltage at the pulse
width modulator fixed clock frequency, nominally 550
KHz. Multiple converters can be synchronized to a sys-
tem clock in the 500 KHz 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 mod-
els.
These converters are hermetically packaged in two en-
closure variations, utilizing copper core pins to mini-
mize resistive DC losses. Three lead styles are avail-
able, each fabricated with Advanced Analog’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 available in four screening
grades to satisfy a wide range of requirements. The CH
grade is fully compliant to the requirements of MIL-H-
38534 for class H. The HB grade is fully processed and
screened to the class H requirement, may not neces-
sarily meet all of the other MIL-PRF-38534 requirements,
e.g., element evaluation and Periodic Inspection (P.I.)
not required. Both grades are tested to meet the com-
plete group “A” test specification over the full military
AFL
Features
n 30 To 80 Volt Input Range
n 3.3, 5, 8, 9 12, 15, 24 and 28 Volts Outputs
Available
n High Power Density - up to 84 W / in3
n Up To 120 Watt 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 > 40 dB - DC to 50KHz
n External Synchronization Port
n Fault Tolerant Design
n Dual Output Versions Available
n Standard Military Drawings Available
temperature range without output power deration.
Two grades with more limited screening are also
available for use in less demanding applications.
Variations in electrical, mechanical and screen-
ing can be accommodated. Contact Advanced
Analog for special requirements.
www.irf.com
1
07/09/02


International Rectifier Electronic Components Datasheet

AFL50xxS Datasheet

ADVANCED ANALOG HIGH RELIABILITY HYBRID DC/DC CONVERTERS

No Preview Available !

AFL50xxS pdf
AFL50XXS Series
Specifications
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Soldering Temperature
Case Temperature
-0.5V to 100V
300°C for 10 seconds
Operating
Storage
-55°C to +125°C
-65°C to +135°C
Static Characteristics -55°C < TCASE < +125°C, 30V< VIN < 80V unless otherwise specified.
Parameter
Group A
Subgroups
Test Conditions
Min Nom Max Unit
INPUT VOLTAGE
OUTPUT VOLTAGE
AFL5005S
AFL5008S
AFL5009S
AFL5012S
AFL5015S
AFL5028S
AFL5005S
AFL5008S
AFL5009S
AFL5012S
AFL5015S
AFL5028S
Note 6
VIN = 50 Volts, 100% Load
1
1
1
1
1
1
2, 3
2, 3
2, 3
2, 3
2, 3
2, 3
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
V
V
V
V
V
V
V
V
V
V
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
A
10.0
A
10.0
A
9.0 A
8.0 A
4.0 A
80 W
80 W
90 W
108 W
120 W
112 W
+0.015
µfd
%/°C
+70.0
+20.0
+1.0
mV
mV
%
30 mVpp
40 mVpp
40 mVpp
45 mVpp
50 mVpp
100 mVpp
For Notes to Specifications, refer to page 4
2 www.irf.com


Part Number AFL50xxS
Description ADVANCED ANALOG HIGH RELIABILITY HYBRID DC/DC CONVERTERS
Maker International Rectifier
Total Page 11 Pages
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