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VIPER12A 参数 Datasheet PDF下载

VIPER12A图片预览
型号: VIPER12A
PDF下载: 下载PDF文件 查看货源
内容描述: LOW POWER OFF LINE SMPS PRIMARY SWITCHER [LOW POWER OFF LINE SMPS PRIMARY SWITCHER]
分类和应用:
文件页数/大小: 15 页 / 264 K
品牌: STMICROELECTRONICS [ ST ]
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VIPer12ADIP / VIPer12AS  
Figure 4 : Peak Drain Current Vs. Feedback Current  
100V  
I
D
4mH  
I
Dpeak  
1/F  
OSC  
VDD  
DRAIN  
t
FB  
CONTROL  
18V  
100V  
SOURCE  
I
47nF  
FB  
VIPer12A  
V
FB  
I
R
FBsd FB  
The drain current limitation is  
obtained for VFB = 0 V, and a  
negative current is drawn from  
the FB pin. See the Application  
section for further details.  
I
FB  
I
Dpeak  
I  
Dpeak  
I
G
= – ----------------------  
Dlim  
ID  
I  
FB  
I
FB  
0
I
FBsd  
Figure 5 : Thermal Shutdown  
T
j
T
SD  
T
HYST  
t
V
DD  
V
Automatic  
start up  
DDon  
t
6/15  
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