28 V/100 W DC/DC Converters
with Integral EMI Filter
a
ADDC02812DA/ADDC02815DA
FEATURES
FUNCTIO NAL BLO CK D IAGRAM
28 V dc Input, ؎12 V dc @ 8.34 A, 100 W Output
(ADDC02812DA)
28 V dc Input, ؎15 V dc @ 6.68 A, 100 W Output
(ADDC02815DA)
Integral EMI Filter Designed to Meet MIL-STD-461D
Low Weight: 80 Gram s
ADDC02812DA/ADDC02815DA
–SENSE
OUTPUT SIDE
CONTROL
CIRCUIT
+SENSE
ADJUST
STATUS
–V
OUT
–V
NAVMAT Derated
Many Protection and System Features
V
FIXED
FREQUENCY
DUAL
INTERLEAVED
POWER TRAIN
OUT
AUX
V
INHIBIT
SYNC
OUTPUT
FILTER
COM
INPUT SIDE
CONTROL
CIRCUIT
V
COM
+V
+V
I
APPLICATIONS
Com m ercial and Military Airborne Electronics
Missile Electronics
Space-Based Antennae and Vehicles
Mobile/ Portable Ground Equipm ent
OUT
OUT
SHARE
TEMP
–V
IN
EMI FILTER
+V
IN
GENERAL D ESCRIP TIO N
P RO D UCT H IGH LIGH TS
T he ADDC02812DA and ADDC02815DA hybrid military dc/
dc converters with integral EMI filter offer the highest power
density of any dc/dc power converters with their features and in
their power range available today. T he converters with integral
EMI filter are a fixed frequency, 1 MHz, square wave switching
dc/dc power supply. T hey are not variable frequency resonant
converters. In addition to many protection features, these con-
verters have system level features that allow them to be used as a
component in larger systems as well as a stand-alone power sup-
ply. T he units are designed for high reliability and high perfor-
mance applications where saving space and/or weight are
critical.
1. 60 W/cubic inch power density with an integral EMI filter
designed to meet all applicable requirements in MIL-ST D-
461D when installed in a typical system setup
2. Light weight: 80 grams
3. Operational and survivable over a wide range of input
conditions: 16 V–50 V dc; survives low line, high line, and
positive and negative transients
4. High reliability; NAVMAT derated
5. Protection features include:
Output Overvoltage Protection
Output Short Circuit Current Protection
T hermal Monitor/Shutdown
Input Overvoltage Shutdown
Input T ransient Protection
T he ADDC02812DA and ADDC02815DA are available in a
hermetically sealed, molybdenum based hybrid package and are
easily heatsink mountable. For MIL-ST D-883 devices, contact
factory for availability.
6. System level features include:
Current Sharing for Parallel Operation
Inhibit Control
Output Status Signal
Synchronization for Multiple Units
Input Referenced Auxiliary Voltage
REV. 0
Inform ation furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assum ed by Analog Devices for its
use, nor for any infringem ents of patents or other rights of third parties
which m ay result from its use. No license is granted by im plication or
otherwise under any patent or patent rights of Analog Devices.
© Analog Devices, Inc., 1996
One Technology Way, P.O. Box 9106, Norw ood, MA 02062-9106, U.S.A.
Tel: 617/ 329-4700
Fax: 617/ 326-8703
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