FAN7602B Fairchild Semiconductor, FAN7602B Datasheet - Page 2

• Manufacturer Part Number: FAN7602B
• Description: The FAN7602B is a green current-mode PWM controller
• Manufacturer: Fairchild Semiconductor

FAN7602B Rev. 1.0.0
© 2007 Fairchild Semiconductor Corporation
Internal Block Diagram
Typical Application Diagram
Latch/
Plimit
LUVP
1
2
65kHz clock
Soft Start
2V/1.5V
Generator
10ms
4V
Offset
Plimit
Latch
Figure 2. Functional Block Diagram of FAN7602B
LUVP
Latch
SS End
OVP
OLP
Offset
Plimit
Figure 1. Typical Flyback Application
Auto Restart
Protection
Protection
Start
Soft
FAN7602B
Latch
OLP
OLP
PWM
Block
2
Circuit
Reset
V
V
CC
STR
8
Circuit
Delay
PWM+
5V Ref
SS End
0.95V/0.88V
Start
Soft
Circuit
OVP
Driver
UVLO
Power Limit
Offset
Plimit
Offset
Plimit
12V/8V
19V
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6
5
3
4
V
CS/FB
OUT
GND
CC