5 Experimental
Verification
5.1 Experiment System of
the 20KHz Buck-boost Converter
0.25Ω
C
R
L
Irf820
BYV95C
12V~50V
J
K
CK
Reset
Q
MC14027
6
5
3
4
1
15Ω
10K
0.01u
+15V
3
2
8
4
1
5
6
7
LM555
1
3
7
6
Iref
-
+
LM339
16
0.01u
12
MC34152
7
2
3
6
+5V
50K
1K
10K
+15V
+15V
8