SG3526
Figure 18. Half–Bridge Configuration
+V
Supply
R1
C1
14
VC A 13
SG3526
Gnd
15
B
16
T1
Q1
T2
Q2
C2
8
4
C1
S
5
14
VC
A
B
SG3526
+CS
13
16
7
6
R3
D1
D2
Q1
+V
Supply
R1
C2
R4
T1
Figure 19. Flyback Converter with
Current Limiting
R
–CS
CS
Gnd
15
R2
In the above circuit, current limiting is accomplished by using the
current limit comparator output to reset the soft–start capacitor.
Figure 20. Single–Ended Configuration
+V Supply
R1
Q1
To
Output
Filter
R2
14
VC
SG3526
B
Gnd
15
Figure 21. Push–Pull Configuration
+V Supply
R1
C1
14
VC
13
R2
Q1
C2
16
R3
Q2
T1
A
A
13
16
SG3526
B
Gnd
15
8
MOTOROLA ANALOG IC DEVICE DATA