FAN6300DY Fairchild Semiconductor, FAN6300DY Datasheet - Page 2

• Manufacturer Part Number: FAN6300DY
• Description: Fan6300 - Highly Integrated Quasi-resonant Current Mode Pwm Controller
• Manufacturer: Fairchild Semiconductor

© 2008 Fairchild Semiconductor Corporation
FAN6300 • Rev. 1.0.3
Application Diagram
Internal Block Diagram
DET
CS
FB
3
1
2
Blanking
(4µs)
t
OFF
5V
Blanking
Soft-Start
Compensation
Circuit
Over-Power
2ms
(8µs/38µs)
I
t
DET
OFF-MIN
S/H
V
2.5V
V
4.2V
DET
0.3V
I
2R
DET
DET
0.3V
Current Limit
R
DET OVP
PWM
Figure 2. Functional Block Diagram
Latched
Figure 1. Typical Application
Detector
GND
Valley
500µs
30µs
4
HV
8
Starter
Timer
55ms
Valley
I
HV
1st
Internal
t
27V
OFF-MIN
+9µs
OTP
FB OLP
OVP
Latched
2
Latched
Latched
16V/10V/8V
VDD
Two Steps
UVLO
6
NC
7
S
R
SET
CLR
Q
Q
DRV
Internal
Bias
18V
5
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