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PDF ( 数据手册 , 数据表 ) AHE2812S

零件编号 AHE2812S
描述 HYBRID-HIGH RELIABILITY DC/DC CONVERTER
制造商 IRF
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AHE2812S 数据手册, 描述, 功能
PD-94554B
HYBRID-HIGH RELIABILITY
DC/DC CONVERTER
Description
The AHE28XXS 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 +5V, +12V and +15V
single outputs to satisfy a wide range of requirements.
The circuit design incorporates a pulse width modulated
push-pull topology operating in the feed-forward mode
at a nominal switching frequency of 250KHz. 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 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.
AHE28XXS SERIES
28V Input, Single Output
AHE
Features
n 17V to 40VDC Input Range (28VDC Nominal)
n 5V, 12V and 15V Outputs Available
n Indefinite Short Circuit and Overload Protection
n 17 W/in3 Power Density
n 15W and 20W Output Power Models
n Fast Loop Response for Superior Transient
Characteristics
n Operating Temperature Range from -55°C to
+125°C Available
n Popular Industry Standard Pin-Out
n Resistance Seam Welded Case for Superior
Long Term Hermeticity
n Efficiencies up to 84%
n Shutdown from External Signal
n Military Screening
n 325,000 hour MTBF at 85°C (AUC)
n Standard Microcircuit Drawings Available
www.irf.com
1
01/08/07
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AHE2812S pdf, 数据表
AHE28XXS Series
Device Screening
Requirement MIL-STD-883 Method No Suffix
ES d
HB
CH
Temperature Range
e-20°C to +85°C -55°C to +125°C -55°C to +125°C -55°C to +125°C
Element Evaluation
MIL-PRF-38534
N/A
N/A
N/A Class H
Non-Destructive
Bond Pull
Internal Visual
2023
2017
N/A N/A
c Yes
N/A N/A
Yes Yes
Temperature Cycle
1010
N/A
Cond B
Cond C
Cond C
Constant Acceleration
2001, Y1 Axis
N/A
500 Gs
3000 Gs
3000 Gs
PIND
2020
N/A N/A
N/A N/A
Burn-In
Final Electrical
1015
MIL-PRF-38534
N/A
25°C
48 hrs@hi temp 160 hrs@125°C 160 hrs@125°C
d25°C
-55°C, +25°C, -55°C, +25°C,
( Group A )
& Specification
+125°C
+125°C
PDA
MIL-PRF-38534
N/A
N/A
N/A 10%
Seal, Fine and Gross
1014
Cond A
Cond A, C
Cond A, C
Cond A, C
Radiographic
External Visual
2012
2009
N/A N/A
c Yes
N/A N/A
Yes Yes
Notes:
 Best commercial practice
‚ Sample tests at low and high temperatures
ƒ -55°C to +105°C for AHE, ATO, ATW
Part Numbering
AHE 28 15 S F /CH - MSTR
Model
Input Voltage
Nominal
28 = 28V
Output Voltage
05 = 5V
12 = 12V
15 = 15V
Sync Option
MSTR = Master
SLV = Slave
Omit for Standard
Screening Level
(Please refer to Screening Table)
No Suffix, ES, HB, CH
Package Option
F = Flange
Blank = Non-Flanged
Output
S = Single
WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, Tel: (310) 252-7105
IR SANTA CLARA: 2270 Martin Av., Santa Clara, California 95050, Tel: (408) 727-0500
Visit us at www.irf.com for sales contact information.
Data and specifications subject to change without notice. 01/2007
8 www.irf.com
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