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International Rectifier Electronic Components Datasheet



ASA2812D

HYBRID-HIGH RELIABILITYDC/DC CONVERTER


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ASA2812D pdf
PD-94540A
HYBRID-HIGH RELIABILITY
DC/DC CONVERTER
ASA28XXD SERIES
28V Input, Dual Output
Description
The ASA28XXD Series of DC/DC converters are high
reliability thick film hybrid converters that use flyback
topology operating at a nominal frequency of 550KHz.
High input to output isolation is achieved through the
use of transformers in the flyback power and feed back
circuits.
Features
ASA
The advanced feedback design provides fast loop
response for superior line and load transient
characteristics and offers greater reliability than devices
incorporating optical feedback circuits.
This device is designed to meet MIL-STD-704 input www.DataSheet.net/
requirements offering full performance over a 16V to
40V input range. Output Power of up to 5W is available
for either balanced or unbalanced loads.
Connecting the inhibit pin (pin 5) to the input common
(pin 7) will cause the converter to shut down. It is
recommended that the inhibit pin be driven by an open
collector device capable of sinking at least 400µA. The
open circuit voltage of the inhibit pin is 11.5 ± 0.5V.
Up To 5.0W Output Power
±5V, ±12V, ±15V Outputs
High Reliability
Wide Input Voltage Range -16V To 40V
Indefinite Short Circuit and Overload Protection
Popular Industry Standard Pin-Out
Military Screening
Parallel Seam Welded Package
No External Capacitors Required
Input Voltage Surge Protected to MIL-STD-704
Under Voltage Lockout
Standard Microcircuit Drawings Available
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. Extensive computer simulation
using complex modeling enables rapid design
modification to be provided. Contact IR Santa Clara
with specific requirements.
www.irf.com
1
01/11/07
Datasheet pdf - http://www.DataSheet4U.co.kr/



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ASA2812D pdf
ASA28XXD Series
Specifications
Absolute Maximum Ratings
Input voltage
Power output
Soldering temperature
Operating case temperature
Storage case temperature
-0.5V to +50VDC Continous, 80V, 100 msec
Internally limited ( 6.5W typical )
300°C for 10 seconds
-55°C to +125°C
-65°C to +135°C
TEST
Output voltage
Output current 1, 2
Output ripple voltage 3, 4
Line regulation 4
Load regulation 4
Cross regulation 5
Conditions
-55° TC +125°C
VIN = 28V dc ±5% CL = 0
unless otherwise specified
IOUT = 0
VIN = 16, 28, and 40 V dc
either output
VIN = 16, 28 and 40 V dc
VIN = 16, 28, and 40 V dc
IOUT = 0, 50%, 100% IMAX
VIN = 16, 28, and 40 V dc
IOUT = 0, 50%, 100% IMAX
20% to 80% load change
Group A
Subgroups
1
2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
Input current
Input ripple current 3, 4
Efficiency 4
IOUT = 0
Pin 5 connected to pin 7
IOUT = 0 Pin5 open
IOUT = IMAX
IOUT = IMAX
Isolation
Capacitive load 6, 7
Power dissipation load fault
Switching frequency 4
Output response to step
transient load changes 4, 9
Recovery time, step
transient load changes
4, 9, 10
Output response transient
step line changes 4, 7, 11
Recovery time transient step
line changes
4, 7, 10, 11
Input to output or any pin to
case (except pin 8) at 500 V
dc, Tc = +25° C
No effect on dc performance,
total for both outputs
Overload 8
Short circuit
IOUT = IMAX
IOUT = 50% 100% IMAX
IOUT = 0 50% IMAX
IOUT = 50% 100% IMAX
IOUT = 0 50% IMAX
VIN =16 40Vdc,IOUT= IMAX
VIN=16 40Vdc, IOUT= IMAX
1, 2, 3
1, 2, 3
1, 3
2
1
4
1, 2, 3
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
Turn on overshoot 4
Turn on delay 4, 12
Load fault recovery 7
IOUT = 0 and IMAX
IOUT = 0 and IMAX
For Notes to Specifications, refer to page 3
2
4, 5, 6
4, 5, 6
4, 5, 6
ASA2805D/XX
Min
±4.95
±4.90
200
Max
±5.05
±5.10
1000
470
50
50
www.DataSheet.net/
70
66
100
200
500
-400
-800
-750
15
12
60
100
4.0
2.0
600
+400
+800
100
2000
+750
1200
600
25
25
A SA 281 2D/X X
ASA2815D/XX
Min
±11.88
±11.76
84
Max
±12.12
±12.24
333
Min
±14.85
±14.70
67
Max
±15.15
±15.30
267
Unit
V
mA
200 290 mV PP
50 50 mV
50 50 mV
71
68
100
500
-400
-800
- 750
8.0
12
60
100
200
4.0
2.0
600
+400
+800
100
200 0
+750
71
68
100
500
-400
-800
-750
8.0 %
12
mA
60
100 mA PP
%
200
4.0
2.0
600
+400
+800
100
2000
+750
M
µF
W
KHz
mV pk
µs
mV pk
120 0
600
25
25
1200
µs
600 mV pk
25 ms
25 ms
www.irf.com
Datasheet pdf - http://www.DataSheet4U.co.kr/



Part Number ASA2812D
Description HYBRID-HIGH RELIABILITYDC/DC CONVERTER
Maker International Rectifier - International Rectifier
Total Page 5 Pages
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