FAN7602 Fairchild Semiconductor, FAN7602 Datasheet - Page 2

• Manufacturer Part Number: FAN7602
• Description: Green Current Mode PWM Controller
• Manufacturer: Fairchild Semiconductor

FAN7602 Rev. 1.0.2
© 2006 Fairchild Semiconductor Corporation
Internal Block Diagram
Typical Application Diagram
Latch/
Plimit
LUVP
1
2
65kHz Clock
Modulation
Frequency
Soft Start
2V/1.5V
Generator
10ms
4V
with
Offset
Plimit
FAN7602 Rev. 02
Latch
Figure 2. Functional Block Diagram of FAN7602
LUVP
Latch
SS End
OVP
OLP
Offset
Plimit
Soft-Start
Figure 1. Typical Flyback Application
Auto Restart
Protection
Protection
Latch
FAN7602
OLP
OLP
PWM
Block
2
Circuit
Reset
V
V
CC
8
str
Circuit
Delay
PWM+
5V Ref
SS End
0.95V/0.88V
Soft-
Start
Circuit
OVP
Driver
UVLO
Power Limit
Offset
Plimit
Offset
Plimit
12V/8V
19V
FAN7602 Rev. 03
www.fairchildsemi.com
6
5
3
4
V
CS/FB
OUT
GND
CC