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AFL12008SY/HB PDF预览

AFL12008SY/HB

更新时间： 2024-02-05 09:05:32
品牌 Logo 应用领域
英飞凌 - INFINEON 转换器电源电路
页数 文件大小 规格书
12页 242K
描述
28V Input, Single Output HYBRID-HIGH RELIABILITY DC/DC CONVERTER

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AFL12008SY/HB 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：MODULE
包装说明：,针数：12
Reach Compliance Code：compliantECCN代码：EAR99
风险等级：5.73模拟集成电路 - 其他类型：DC-DC REGULATED POWER SUPPLY MODULE
最大输入电压：160 V最小输入电压：80 V
标称输入电压：120 VJESD-30 代码：R-XDMA-P12
最大负载调整率：1%功能数量：1
输出次数：1端子数量：12
最高工作温度：85 °C最低工作温度：-20 °C
最大输出电压：9.6 V标称输出电压：8 V
封装主体材料：UNSPECIFIED封装形状：RECTANGULAR
封装形式：MICROELECTRONIC ASSEMBLY峰值回流温度（摄氏度）：260
认证状态：Not Qualified表面贴装：NO
技术：HYBRID温度等级：OTHER
端子形式：PIN/PEG端子位置：DUAL
处于峰值回流温度下的最长时间：40最大总功率输出：80 W
微调/可调输出：YESBase Number Matches：1

AFL12008SY/HB 数据手册

 浏览型号AFL12008SY/HB的Datasheet PDF文件第6页浏览型号AFL12008SY/HB的Datasheet PDF文件第7页浏览型号AFL12008SY/HB的Datasheet PDF文件第8页浏览型号AFL12008SY/HB的Datasheet PDF文件第10页浏览型号AFL12008SY/HB的Datasheet PDF文件第11页浏览型号AFL12008SY/HB的Datasheet PDF文件第12页 
AFL28XXS Series  
Table 1. Nominal Resistance of Cu Wire  
Another potential problem resulting from parasitically  
induced voltage drop on the input lines is with regard to  
the operation of the enable 1 port. The minimum and  
maximum operating levels required to operate this port  
are specified with respect to the input common return line  
at the converter. If a logic signal is generated with respect  
to a ‘common’ that is distant from the converter, the effects  
of the voltage drop over the return line must be considered  
when establishing the worst case TTL switching levels.  
These drops will effectively impart a shift to the logic levels.  
In Figure VI, it can be seen that referred to system ground,  
Wire Size, AWG  
Resistance per ft  
24 Ga  
22 Ga  
20 Ga  
18 Ga  
16 Ga  
14 Ga  
12 Ga  
25.7 mΩ  
16.2 mΩ  
10.1 m  
Ω
6.4 mΩ  
4.0 mΩ  
2.5 m  
Ω
the voltage on the input return pin is given by  
1.6 mΩ  
As an example of the effects of parasitic resistance,  
consider an AFL2815S operating at full power of 120W.  
From the specification sheet, this device has a minimum  
efficiency of 83% which represents an input power of more  
than 145W. If we consider the case where line voltage is at  
its’ minimum of 16V, the steady state input current necessary  
for this example will be slightly greater than 9 amperes. If  
this device were connected to a voltage source with 10  
feet of 20 gauge wire, the round trip (input and return)  
would result in 0.2Ω of resistance and 1.8V of drop from the  
source to the converter. To assure 16V at the input, a  
source closer to 18V would be required. In applications  
using the paralleling option, this drop will be multiplied by  
the number of paralleled devices. By choosing 14 or 16  
gauge wire in this example, the parasitic resistance and  
resulting voltage drop will be reduced to 25% or 31% of that  
eRtn = IRtn • RP  
Therefore, the logic signal level generated in the system  
must be capable of a TTL logic high plus sufficient additional  
amplitude to overcome eRtn. When the converter is inhibited,  
IRtn diminishes to near zero and eRtn will then be at system  
ground.  
Incorporation of a 100µF capacitor at the input terminals is  
recommended as compensation for the dynamic effects  
of the parasitic resistance of the input cable reacting with  
the complex impedance of the converter input, and to  
provide an energy reservoir for transient input current  
requirements.  
with 20 gauge wire.  
Figure VI. Problems of Parasitic Resistance in input Leads  
(See text)  
Rp  
Rp  
Iin  
Vin  
100  
µfd  
esource  
Rtn  
eRtn  
IRtn  
Case  
Enable 1  
Sync Out  
Sync In  
System Ground  
www.irf.com  
9
1...6789101112

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