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AMS11171.8v稳压模块

更新时间：2019-10-29 22:27:15 大小：355K 上传用户：xuzhen1查看TA发布的资源 标签：稳压模块 下载积分：0分 评价赚积分 （如何评价?） 打赏 收藏 评论(0) 举报

资料介绍

General Description The AMS 1117-ADJ and AMS 1117-1.2,-1.5,-1.8,-2.5,-2.85,

-3.3 and-5 are low dropout three-terminal regulators with

1A output current capability. These devices have been optimized for low voltage where transient response and minimum input voltage are critical. The 2.85V version is designed specifically to be used in Active Terminators for SCSI bus.

On-chip thermal limiting provides protection against any combination of overload and ambient temperatures that would create excessive junction temperatures.

Unlike PNP type regulators where up to 10% of the output current is wasted as quiescent current, the quiescent cur-rent of the AMS 1117 flows into the load, increasing effi-

ciency.

The AMS 1117 series regulators are available in the indus-

try-standard SOT-223 and TO-252 power packages.


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AMS11171.8v稳压模块.pdf 355K

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1A Adjustable/Fixed Low Dropout Linear Regulator  
General Description  
Key Features  
The AMS 1117-ADJ and AMS 1117-1.2,-1.5,-1.8,-2.5,- 2.85,  
-3.3 and-5 are low dropout three-terminal regulators with  
1A output current capability. These devices have been  
optimized for low voltage where transient response and  
minimum input voltage are critical. The 2.85V version is  
designed specifically to be used in Active Terminators for  
SCSI bus.  
- Low dropout voltage  
- Load regulation: 0.2% typical  
- Optimized for Low V oltage  
- On-chip thermal limiting  
- Standard SOT-223 and TO-252 packages  
- Three-terminal adjustable or fixed low dropout  
1.2V,1.5V,1.8V, 2.5V, 2.85V, 3.3V, 5V. Regulators  
On-chip thermal limiting provides protection against any  
combination of overload and ambient temperatures that  
would create excessive junction temperatures.  
Applications  
- Active SCSI terminators  
- High efficiency linear regulators  
- Post regulators for switching supplies  
- Battery chargers  
Unlike PNP type regulators where up to 10% of the output  
current is wasted as quiescent current, the quiescent cur-  
rent of the AMS 1117 flows into the load, increasing effi-  
ciency.  
- 12V to 5V linear regulators  
-M otherboard clock supplies  
The AMS 1117 series regulators are available in the indus-  
try-standard SOT-223 and TO-252 power packages.  
Typical Application  
Figure 1. Typical Applications of AMS 1117  
Notice: The distance between Vout pin and Capacitor should not exceed 4cm for excellent performance  

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