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International Rectifier Electronic Components Datasheet

ATR2815D Datasheet

HYBRID - HIGH RELIABILITY DC-DC CONVERTER

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PD-94550B
HYBRID - HIGH RELIABILITY
DC-DC CONVERTER
ATR28XXD SERIES
28V Input, Dual Output
Description
The ATR28XXD Series of DC-DC converters feature
high power density and an extended temperature range
for use in military and industrial applications. Designed
to MIL-STD-704D input requirements, these devices
have nominal 28VDC inputs with ±12V and ±15V dual
outputs to satisfy a wide range of requirements. The
circuit design incorporates a pulse width modulated
single forward topology operating in the feed-forward
mode at a nominal switching frequency of 550KHz.
Input to output isolation is achieved through the use of
transformers in the forward and feedback circuits.
The advanced feedback design provides fast loop
response for superior line and load transient characteristics
and offers greater reliability and radiation tolerance
than devices incorporating optical feedback circuits.
Three standard temperature grades are offered with
screening options. Refer to Part Number section. They
can be provided in a standard plug-in package for PC
mounting or in a flanged package for more severe
environments.
Manufactured in a facility fully qualified to MIL-PRF-
38534, these converters are fabricated utilizing DLA
and Land Maritime qualified processes. For available
screening options, refer to device screening table in
the data sheet. Variations in electrical, mechanical
and screening can be accommodated.
ATR
Features
n 16V to 40VDC Input Range (28VDC Nominal)
n ±12V and ±15V Outputs Available
n Indefinite Short Circuit and Overload Protection
n 35W/in3 Power Density
n 30W Output Power
n Fast Loop Response for Superior Transient
Characteristics
n Operating Temperature Range from
-55°C to +125°C
n Popular Industry Standard Pin-Out
n Resistance Seam Welded Case for Superior
Long Term Hermeticity
n Ceramic Feed-thru Pins
n External Synchronization
n High Efficiency
n Shutdown from External Signal
n Military Screening
n Standard Microcircuit Drawings Available
Extensive computer simulation using complex modeling
enables rapid design modification to be provided.
Contact IR San Jose with specific requirements.
www.irf.com
1
07/07/11
http://www.Datasheet4U.com


International Rectifier Electronic Components Datasheet

ATR2815D Datasheet

HYBRID - HIGH RELIABILITY DC-DC CONVERTER

No Preview Available !

ATR28XXD Series
Specifications
TCASE = -55°C to +85°C, VIN = +28V ± 5% unless otherwise specified
Absolute Maximum Ratings
Input voltage
-0.5V to +50VDC
Power Output
Internally limited, 36W typical
Soldering temperature
300°C for 10 seconds
Temperature Range1
Recommended Operating temperature
Maximum Operating temperature
Storage case temperature
-55°C to +85°C
-55°C to +115°C
-65°C to +135°C
PARAMETER
Condition
-55°C TC +85°C, VIN = 28 VDC
±5%, CL=0, unless otherwise
specified
ATR2812D
Min Typ Max
ATR2815D
Min Typ Max
Units
STATIC CHARACTERISTICS
OUTPUT
Voltage
Current 5
Ripple
Accuracy
Power1
REGULATION
Line
Load
CROSS REGULATION6
INPUT
Voltage Range
Current
Ripple Current
EFFICIENCY
ISOLATION
CAPACITIVE LOAD
Load Fault Power Dissipation
Switching Frequency
SYNC Frequency Range7
DYNAMIC CHARACTERISTICS
Step Load Changes
Output
Transient
VIN = 16 to 40 VDC
IOUT = 0 to Full Load
Full Load, 20KHz to 2MHz
TCASE = 25°C, Full Load
VIN = 16 to 40 VDC
IOUT = 0 to Full Load
VIN = 16, 28, and 40 VDC
No Load, pin 2 = open
Inhibited, pin 2 tied to pin 10
Full Load
Full Load TC = +25°C
Input to output @500 VDC
No effect on performance
TC = +25°C (total for both outputs)
Short Circuit
Overload, TC = +25°C
IOUT = Full Load
50% Load to 100% Load
No Load to 50% Load
±11.76 ±12 ±12.24 ±14.70 ±15 ±15.30
VDC
0.0
±1.25
0.0
±1.0
ADC
40 85
40 85 mV p-p
±11.88 ±12 ±12.12 ±14.85 ±15.00 ±15.15
VDC
30 30
W
75 75 mV
120 150 mV
±5 ±5 %
16 28 40 16 28 40 VDC
75 75 mADC
18 18 mADC
25 50
25 50 mA p-p
82 82 %
100 100
M
100 100 µF
9.0 9.0 W
14 14 W
500 600 500 600 KHz
500 700 500 700 KHz
±100
±250
±100
±250
mVpk
mVpk
Recovery 2
Step Line Changes
Output
Transient
Recovery 2
TURN-ON
Overshoot
Delay3
Load Fault Recovery
50% Load to 100% Load
No Load to 50% Load
50% Load to No Load
Input step 16 to 40 VDC
Input step 40 to 16 VDC
Input step 16 to 40 VDC
Input step 40 to 16 VDC
VIN = 16 to 40 VDC
IOUT = O and Full Load
VIN = 16 to 40 VDC
25
500
3.0
±180
-600
5.0
5.0
0.0
14
14
600
25
25
25 µs
500 µs
3.0 ms
±180
-600
5.0
5.0
mVpk
mVpk
ms
ms
0.0 600 mVpk
14 25 ms
14 25 ms
Notes to Specifications
1. Above +85°C case temperature, derate output power linearly to 0 at +115°C case.
2. Recovery time is measured from the initiation of the input transient to where VOUT has returned to within ±1% of VOUT at 50% load.
3. Turn-on delay time measurement is for either an application of power at the input or a signal at the inhibit pin.
4. Load current split equally between +VOUT and –VOUT.
5. Up to 90% of Full Power is available from either output provided. The total power output does not exceed 30W.
6. 3W load on output under test, 3W to 27W on other output.
7. Sync. Input signal: VIL = -0.5V Min, 0.8V Max and VIN = 2.5V Min, 11.5V Max for 10% to 90% duty cycle.
2 www.irf.com
http://www.Datasheet4U.com


Part Number ATR2815D
Description HYBRID - HIGH RELIABILITY DC-DC CONVERTER
Maker IRF
Total Page 8 Pages
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