SG3526 Motorola Inc, SG3526 Datasheet - Page 8

• Manufacturer Part Number: SG3526
• Description: PULSE WIDTH MODULATION CONTROL CIRCUIT
• Manufacturer: Motorola Inc

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