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AFL27008DW/ES PDF预览

AFL27008DW/ES

更新时间: 2024-11-26 23:28:11
品牌 Logo 应用领域
其他 - ETC 转换器
页数 文件大小 规格书
12页 123K
描述
DC to DC Converter

AFL27008DW/ES 数据手册

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LAMBDA ADVANCED ANALOG INC.  
AFL12000S Series  
Single Output, Hybrid - High Reliability  
DC/DC Converters  
DESCRIPTION  
FEATURES  
Lambda  
requirements.  
Advanced  
Analog  
with  
specific  
The AFL Series of DC/DC converters feature high  
power density with no derating over the full military  
temperature range. This series is offered as part of  
a complete family of converters providing single and  
dual output voltages and operating from nominal  
+28, +50, +120 or +270 volt inputs and output power  
ranging from 80 to 120 watts. For applications  
requiring higher output power, individual converters  
can be operated in parallel. The internal current  
sharing circuits assure accurate current distribution  
among the paralleled converters. This series  
incorporates Lambda Advanced Analog's proprietary  
magnetic pulse feedback technology providing  
optimum dynamic line and load regulation response.  
This feedback system samples the output voltage at  
the pulse width modulator fixed clock frequency,  
nominally 550 KHz. Multiple converters can be  
synchronized to a system clock in the 500 KHz to  
700 KHz range or to the synchronization output of  
one converter. Undervoltage lockout, primary and  
secondary referenced inhibit, soft-start and load  
fault protection are provided on all models.  
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80 To 160 Volt Input Range  
5, 8, 9, 12, 15, 24 and 28 Volt Outputs  
Available  
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High Power Density - up to 84 W / in3  
Up To 120 Watt Output Power  
Parallel Operation with Stress and Current  
Sharing  
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Low Profile (0.380") Seam Welded Package  
Ceramic Feedthru Copper Core Pins  
High Efficiency - to 87%  
Full Military Temperature Range  
Continuous Short Circuit and Overload  
Protection  
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Remote Sensing Terminals  
Primary and Secondary Referenced Inhibit  
Functions  
These converters are hermetically packaged in two  
enclosure variations, utilizing copper core pins to  
minimize resistive DC losses. Three lead styles are  
available, each fabricated with Lambda Advanced  
Analog's rugged ceramic lead-to-package seal  
assuring long term hermeticity in the most harsh  
environments.  
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Line Rejection > 50 dB - DC to 50 KHz  
External Synchronization Port  
Fault Tolerant Design  
Dual Output Versions Available  
Standard Military Drawings Available  
Manufactured in a facility fully qualified to MIL-PRF-  
38534, these converters are available in four  
screening grades to satisfy a wide range of  
requirements. The CH grade is fully compliant to  
the requirements of MIL-PRF-38534 for class H.  
The HB grade is fully processed and screened to the  
class H requirement, may not necessarily meet all of  
the other MIL-PRF-38534 requirements, e.g.,  
element evaluation and Periodic Inspections (PI) not  
required. Both grades are tested to meet the  
complete group "A" test specification over the full  
military temperature range without output power  
deration. Two grades with more limited screening  
are also available for use in less demanding  
applications. Variations in electrical, mechanical  
and screening can be accommodated. Contact  
1

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