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參數(shù)資料
| 型號(hào)： | ATR28XXS |
| 廠商： | International Rectifier |
| 英文描述： | HYBRID-HIGH RELIABILITY DC/DC CONVERTERS |
| 中文描述： | 混雜高度可靠的DC / DC轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 97K |
| 代理商： | ATR28XXS |
04/01/04
1
HYBRID-HIGH RELIABILITY
DC/DC CONVERTERS
ATR28XXS SERIES
28V Input, Single Output
Description
The ATR28XXS 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 3.3V, 5V, 12V and
15V single 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.
16 to 40 VDC Input Range (28 VDC Nominal)
3.3V, 5V, 12V and 15V Outputs Available
Indefinite Short Circuit and Overload
Protection
Up to 35 W/in
30 Watt Output Power Models
Fast Loop Response for Superior Transient
Characteristics
Operating Temperature Range from -55°C to
+125°C
Popular Industry Standard Pin-Out
Resistance Seam Welded Case for Superior
Long Term Hermeticity
Ceramic Feed-thru Pins
External Synchronization
Efficiencies up to 84%
Shutdown from External Signal
Military Screening
3
Power Density
Features
ATR
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. These
devices can be provided in a standard plug-in package
for PC mounting or in a flanged package for more
severe environments.
These converters are manufactured in a facility certified
to MIL-PRF-38534. All processes used to manufacture
these converters have been qualified to enable
Advanced Analog to deliver compliant devices.
Four screening grades are available to satisfy a wide
range of requirements. The CH grade converters are
fully compliant to MIL-PRF-38534 for class H. The HB
grade converters are processed to full class H screening
but do not have class H element evaluation as required
by MIL-PRF-38534. Both grades are fully tested to
confirm operation over the full military temperature
range without derating of output power. The ES version
is a full temperature device without the full class H or
element evaluation. The non-suffix device is a low cost
limited temperature range option. 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.
PD - 94549A
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