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AFL27012DY-CH PDF预览

AFL27012DY-CH

更新时间: 2024-12-01 08:21:19
品牌 Logo 应用领域
英飞凌 - INFINEON 转换器
页数 文件大小 规格书
11页 122K
描述
ADVANCED ANALOG HIGH RELIABILITY HYBRID DC/DC CONVERTERS

AFL27012DY-CH 数据手册

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PD - 94457A  
AFL50XXS SERIES  
50V Input, Single Output  
ADVANCED ANALOG  
HIGH RELIABILITY  
HYBRID DC/DC CONVERTERS  
Description  
The AFL Series of DC/DC converters feature high power  
density with no derating over the full military tempera-  
ture 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 with output power ranging from 80 to  
120 watts. For applications requiring higher output  
power, individual converters can be operated in paral-  
lel. The internal current sharing circuits assure equal  
current distribution among the paralleled converters.This  
series incorporates Advanced Analog’s proprietary mag-  
netic pulse feedback technology providing optimum  
dynamic line and load regulation response. This feed-  
back system samples the output voltage at the pulse  
width modulator fixed clock frequency, nominally 550  
KHz. Multiple converters can be synchronized to a sys-  
tem 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 mod-  
els.  
AFL  
Features  
n 30 To 80 Volt Input Range  
n
3.3, 5, 8, 9 12, 15, 24 and 28 Volts Outputs  
Available  
3
n High Power Density - up to 84 W / in  
n Up To 120 Watt Output Power  
n Parallel Operation with Stress and Current  
Sharing  
n Low Profile (0.380") Seam Welded Package  
n Ceramic Feedthru Copper Core Pins  
n High Efficiency - to 85%  
n Full Military Temperature Range  
n Continuous Short Circuit and Overload  
Protection  
n Remote Sensing Terminals  
n Primary and Secondary Referenced  
Inhibit Functions  
n Line Rejection > 40 dB - DC to 50KHz  
n External Synchronization Port  
n Fault Tolerant Design  
These converters are hermetically packaged in two en-  
closure variations, utilizing copper core pins to mini-  
mize resistive DC losses. Three lead styles are avail-  
able, each fabricated with Advanced Analog’s rugged  
ceramic lead-to-package seal assuring long term  
hermeticity in the most harsh environments.  
n Dual Output Versions Available  
n 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-H-  
38534 for class H. The HB grade is fully processed and  
screened to the class H requirement, may not neces-  
sarily meet all of the other MIL-PRF-38534 requirements,  
e.g., element evaluation and Periodic Inspection (P.I.)  
not required. Both grades are tested to meet the com-  
plete 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 screen-  
ing can be accommodated. Contact Advanced  
Analog for special requirements.  
www.irf.com  
1
07/09/02  

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