mb3769apf Fujitsu Microelectronics, Inc., mb3769apf Datasheet - Page 16

• Manufacturer Part Number: mb3769apf
• Description: Switching Regulator Controller
• Manufacturer: Fujitsu Microelectronics, Inc.

16
MB3769A
SHORT PROTECTION CIRCUIT
The system power can be shut down to protect the output against intermittent short-circuits or continuous
overloads. This protection circuit can be configured using the OVP input as shown in Figure 14.
MB3769A
7
14
13
9
1 F
PC1
Fig. 15 -Case II. (Over Protection Input)
Fig. 14 -Case I. (Over Protection Input)
20 k
15 k
8.2 k
6.8 k
Secondly Mode
100 k
Primary Mode
V
0
IN-A
IN-B
(5V output)
10 k
3
1
8.2 k
MB3761
6.8 k
15 k
IN-A
IN-B
PC2
5
8
6
3
1
2
MB3761
OUT-B
HYS-A
8
5
4
6
20 k
1 F
OUT-B
HYS-A
PC1
500
500
200 k
13
14
PC2
V
OVP
REF
MB3769A
V
(5V output)
0