參數(shù)資料
型號: L5980
廠商: 意法半導(dǎo)體
英文描述: 0.7A step-down switching regulator
中文描述: 0.7A的降壓開關(guān)穩(wěn)壓器
文件頁數(shù): 23/37頁
文件大小: 959K
代理商: L5980
Application informations
L5980
23/37
5.4.2
Type II compensation network
In
Figure 13
the type II network is shown.
Figure 13.
Type II compensation network
The singularities of the network are:
In
Figure 14
the Bode diagram of the PWM and LC filter transfer function (G
PW0
· G
LC
(f))
and the open loop gain (G
LOOP
(f)=G
PW0
· G
LC
(f) · G
TYPEII
(f)) are drawn.
Figure 14.
Open loop gain: module bode diagram
f
Z1
2
π
R
4
C
4
-----------------------------
=
f
P0
0
=
f
P1
2
π
R
4
5
C
4
+
C
5
--------------------
-------------------------------------------
=
,
,
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