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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 [ STMICROELECTRONICS ]
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VIPer12ADIP / VIPer12AS
Figure 4 :
Peak Drain Current Vs. Feedback Current
100V
I
D
I
Dpeak
4mH
1/F
OSC
VDD
DRAIN
t
18V
FB
CONTROL
100V
SOURCE
I
FB
47nF
VIPer12A
V
FB
I FBsd
RFB
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
Dlim
I Dpea k
-
GID
= – ----------------------
I FB
I
FB
0
I
FBsd
Figure 5 :
Thermal Shutdown
T
j
T
SD
T
HYST
t
V
DD
V
DDon
Automatic
start up
t
6/15