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AFL12008SZ/ES PDF预览

AFL12008SZ/ES

更新时间： 2024-01-12 15:31:42
品牌 Logo 应用领域
英飞凌 - INFINEON 转换器
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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AFL12008SZ/ES 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

AFL12008SZ/ES 数据手册

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AFL28XXS Series  
Internally, these ports differ slightly in their function. In use,  
a low on Enable 1 completely shuts down all circuits in the  
converter, while a low on Enable 2 shuts down the secondary  
side while altering the controller duty cycle to near zero.  
Externally, the use of either port is transparent to the user  
save for minor differences in stndby current. (See  
specification table).  
than 100ns, maximum low level of +0.8Vand a minimum  
highvel of +2.0V. The sync output of another converter  
which has been designated as the master oscillator provides  
a convenient frequency source for this mode of operation.  
When external synchronization is not required, the sync in  
pin should be left open (unconnected )thereby permitting  
the converter to operate at its’ own internally set frequency.  
Synchronization of Multiple Converters  
The sync output signal is a continuous pulse train set at  
550 ± 50KHz, with a duty cycle of 15 ± 5%. This signal is  
referenced to the input return and has been tailored to be  
compatible with the AFL sync input port. Transition times  
are less than 100ns and the low level output impedance is  
less than 50Ω. This signal is active when the DC input  
voltage is within the specified operating range and the  
converter is not inhibited. This output has adequate drive  
reserve to synchronize at least five additional converters.  
A typical connection is illustrated in Figure III.  
When operating multiple converters, system requirements  
often dictate operation of the converters at a common  
frequency. To accommodate this requirement, the AFL  
series converters provide both a synchronization input and  
a synchronization output.  
The sync input port permits synchronization of an AFL  
converter to any compatible external frequency source  
operating between 500KHz and 700KHz. This input signal  
should be referenced to the input return and have a 10% to  
90% duty cycle. Compatibility requires transition times less  
Figure III. Preferred Connection for Parallel Operation  
1
12  
Power  
Input  
Enable 2  
Vin  
Rtn  
Share  
+ Sense  
- Sense  
Return  
Case  
AFL  
AFL  
Enable 1  
Sync Out  
Sync In  
+ Vout  
7
6
1
Optional  
Synchronization  
Connection  
Share Bus  
12  
Enable 2  
Vin  
Rtn  
Share  
+ Sense  
- Sense  
Case  
Enable 1  
Sync Out  
Sync In  
Return  
to Load  
+ Vout  
7
6
1
12  
Enable 2  
Vin  
Rtn  
Share  
+ Sense  
- Sense  
Return  
Case  
AFL  
Enable 1  
Sync Out  
Sync In  
+ Vout  
7
6
(Other Converters)  
Parallel Operation-Current and Stress Sharing  
the AFL series operating in the parallel mode is that in addition  
to sharing the current, the stress induced by temperature  
will also be shared. Thus if one member of a paralleled set  
is operating at a higher case temperature, the current it  
provides to the load will be reduced as compensation for  
the temperature induced stress on that device.  
Figure III. illustrates the preferred connection scheme for  
operation of a set of AFL converters with outputs operating  
in parallel. Use of this connection permits equal sharing  
among the members of a set whose load current exceeds  
the capacity of an individual AFL. An important feature of  
6
www.irf.com  
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