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零件编号
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LR8K4-G 查看數據表(PDF) - Supertex Inc
零件编号
产品描述 (功能)
生产厂家
LR8K4-G
High Input Voltage Adjustable 3-Terminal Linear Regulator
Supertex Inc
LR8K4-G Datasheet PDF : 9 Pages
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Typical Application Circuits
Figure 2: SMPS Start-Up Circuit
V
IN
= (V
OUT
+ 12V) to 450V
V
AUXILIARY
V
IN
V
OUT
ADJ
LR8
V
CC
FB
PWM IC
LR8
+
V
OUT
1
-
+
V
OUT
2
-
Figure 3: High Voltage Adjustable Constant Current Source
+
V
IN
V
OUT
ADJ
V
IN
= (V
OUT
+ 12V) to 450V
LR8
-
R
I
OUT
=
1.20V
R
1.0µF
LOAD
4
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