MAS 101-102-111 (serv.man2) - Harman Kardon Audio Service Manual (repair manual). Page 16

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FAN7602 Rev. 1.0.1
F
AN7602  Green Curren
t Mode PWM Controller
Typical Application Diagram
Figure 1. Typical Flyback Application
F A N 7602
Internal Block Diagram
                                              Figure 2. Functional Block Diagram of FAN7602
Soft
Start
Delay
Circuit
GND
Plimit
Offset
5V Ref
Vcc
LUVP
OUT
CS/FB
UVLO
LUVP
6
19V
OVP
12V/8V
5
3
0.95V/0.88V
8
1
Reset
Circuit
4
Vstr
2V/1.5V
4V
Latch/
Plimit
2
Plimit
Offset
Generator
Driver
Circuit
Latch
OLP
OLP
10ms
Soft Start
SS End
65kHz Clock
with
Frequency
Modulation
Auto Restart
Protection
Latch
Protection
Latch
OVP
OLP
PWM
Block
Power Limit
Soft
Start
PWM+
Plimit
Offset
Plimit
Offset
Vcc
SS End
14
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