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AV45C-048L-018F20HA PDF预览

AV45C-048L-018F20HA

更新时间： 2024-01-06 23:17:24
品牌 Logo 应用领域
ASTEC 转换器DC-DC转换器
页数 文件大小 规格书
25页 287K
描述
1.5V, 1.8V, 3.3V, 5V Single Output 48V Input, 100W DC-DC Converter

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中文翻译

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AV45C-048L-018F20HA 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：,Reach Compliance Code：unknown
ECCN代码：EAR99风险等级：5.28
模拟集成电路 - 其他类型：DC-DC REGULATED POWER SUPPLY MODULE最大输入电压：75 V
最小输入电压：36 V标称输入电压：48 V
JESD-30 代码：R-XDMA-P8最大负载调整率：0.5%
功能数量：1输出次数：1
端子数量：8最高工作温度：100 °C
最低工作温度：-40 °C最大输出电压：1.98 V
最小输出电压：1.44 V标称输出电压：1.8 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）：NOT SPECIFIED
认证状态：Not Qualified表面贴装：NO
技术：HYBRID温度等级：INDUSTRIAL
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：NOT SPECIFIED最大总功率输出：100 W
微调/可调输出：YESBase Number Matches：1

AV45C-048L-018F20HA 数据手册

 浏览型号AV45C-048L-018F20HA的Datasheet PDF文件第18页浏览型号AV45C-048L-018F20HA的Datasheet PDF文件第19页浏览型号AV45C-048L-018F20HA的Datasheet PDF文件第20页浏览型号AV45C-048L-018F20HA的Datasheet PDF文件第22页浏览型号AV45C-048L-018F20HA的Datasheet PDF文件第23页浏览型号AV45C-048L-018F20HA的Datasheet PDF文件第24页 
AV45C Quarter-Brick Series 100W Power Converters  
36Vdc to 75Vdc Input, Single Output  
Output Over-Voltage Protection  
Mixed Distribution  
The over-voltage protection has a separate  
feedback loop which activates when the output  
voltage is between 5.7~6.8V (for 5Vout) and  
2.2~2.8V (for 1.8Vout). When an over-voltage  
condition occurs, an internal “ turn off “ signal  
shut off the module. The module will restart  
after power on again.  
In the real world a combination of parallel and  
radial power distribution is often used. Dynamic  
and high current loads are connected using a  
radial design, while static and low current loads  
can be connected in parallel. This combined  
approach minimizes the drawbacks of a parallel  
design when a purely radial design is not feasible.  
+Vout  
RL3  
RL4  
RL1  
RL2  
Parallel Power Distribution  
Load 1  
Load 2  
Load 3  
Load 4  
RG2  
RG1  
Figure 19 shows a typical parallel power distri-  
bution design. Such designs, sometimes called  
daisy chains, can be used for very low output  
currents, but are not normally recommended.  
The voltage across loads far from the source  
can vary greatly depending on the IR drops  
along the leads and changes in the loads clos-  
er to the source. Dynamic load conditions  
increase the potential problems.  
RG3  
RG4  
-Vout  
RL = Lead Resistance  
G = Ground Lead Resistance  
R
Fig.21 Mixed Power Distribution  
Redundant Operation  
A common requirement in high reliability sys-  
tems is to provide redundant power supplies.  
The easiest way to do this is to place two con-  
verters in parallel, providing fault tolerance but  
not load sharing. Oring diodes should be used  
to ensure that failure of one converter will not  
cause failure of the other converter. Figure 22  
shows such an arrangement. Upon application  
of power, one of the converters will provide a  
slightly higher output voltage and will support  
the full load demand. The second converter will  
see a zero load condition and will “idle”. If the  
first converter should fail, the second converter  
will support the most load. When designing  
redundant converter circuits, Shottky diodes  
should be used to minimize the forward voltage  
drop. The voltage drop across the Shottky  
diodes must also be considered when deter-  
mining load voltage requirements.  
I
I
I
I
I
I
3
1 + 2 +  
3
2 +  
3
RL2  
RL1  
RL3  
+Vout  
-Vout  
Load 1  
Load 2  
Load 3  
RG2  
RG1  
RG3  
RL = Lead Resistance  
G = Ground Lead Resistance  
R
Fig.19 Parallel Power Distribution  
Radial Power Distribution  
Radial power distribution is the preferred  
method of providing power to the load. Figure  
20 shows how individual loads are connected  
directly to the power source. This arrangement  
requires additional power leads, but it avoids  
the voltage variation problems associated with  
the parallel power distribution technique.  
+V  
-V  
out  
out  
+Vout  
Load  
RL3  
RL1  
RL2  
Load 1  
Load 2  
Load 3  
+V  
out  
RG2  
RG1  
RG3  
-Vout  
-V  
out  
RL = Lead Resistance  
G = Ground Lead Resistance  
R
Fig.22 Redundant Operation  
Fig.20 Radial Power Distribution  
-21-  
USA  
1-760-930-4600  
1-760-930-0698  
Europe  
44-(0)1384-842-211  
44-(0)1384-843-355  
Asia  
852-2437-9662  
852-2402-4426  
TEL:  
FAX:  
www.astec.com  
1...1819202122232425

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