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VIPER22-LED-EV 参数 Datasheet PDF下载

VIPER22-LED-EV图片预览
型号: VIPER22-LED-EV
PDF下载: 下载PDF文件 查看货源
内容描述: 低功率离线式开关电源初级切换器 [Low power OFF-line SMPS primary switcher]
分类和应用: 开关
文件页数/大小: 21 页 / 392 K
品牌: STMICROELECTRONICS [ ST ]
 浏览型号VIPER22-LED-EV的Datasheet PDF文件第8页浏览型号VIPER22-LED-EV的Datasheet PDF文件第9页浏览型号VIPER22-LED-EV的Datasheet PDF文件第10页浏览型号VIPER22-LED-EV的Datasheet PDF文件第11页浏览型号VIPER22-LED-EV的Datasheet PDF文件第13页浏览型号VIPER22-LED-EV的Datasheet PDF文件第14页浏览型号VIPER22-LED-EV的Datasheet PDF文件第15页浏览型号VIPER22-LED-EV的Datasheet PDF文件第16页  
Operations  
VIPer22A-E, VIPer22ADIP-E, VIPer22AS-E  
4.5  
Overvoltage threshold  
An overvoltage detector on the V pin allows the VIPer22A to reset itself when V  
DD  
DD  
exceeds V  
. This is illustrated in Figure 8. which shows the whole sequence of an  
DDovp  
overvoltage event. Note that this event is only latched for the time needed by V to reach  
DD  
V
, and then the device resumes normal operation automatically.  
DDoff  
Figure 8. Overvoltage sequence  
VDD  
V
DDovp  
V
DDon  
V
DDoff  
t
VDS  
t
12/21  
Doc ID 12050 Rev 2  
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