參數(shù)資料
型號: L4990
廠商: 意法半導體
英文描述: PRIMARY CONTROLLER
中文描述: 主控制器
文件頁數(shù): 19/24頁
文件大?。?/td> 322K
代理商: L4990
D97IN506
L4990
PGND
ISEN
OUT
V
C
V
IN
9
10
13
11
8
V
CC
Figure 35. Bipolar Transistor Drive
D97IN507
+
-
EA
R
i
+
1.3mA
R
d
R
2R
12
C
f
R
f
6
5
From V
O
2.5V
+
-
EA
R
P
+
1.3mA
R
d
R
2R
12
C
f
R
f
6
5
From V
O
2.5V
Error Amp compensation circuit for stabilizing any current-mode topology
except
for boost and flyback converters operating with continuous inductor current.
C
P
R
i
Error Amp compensation circuit for stabilizing current-mode boost and flyback
topologies operating with continuous inductor current.
VFB
VFB
COMP
COMP
SGND
SGND
Figure 36. Typical E/A compensation networks.
L4990 - L4990A
19/24
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