FAN100 Fairchild Semiconductor, FAN100 Datasheet - Page 2

• Manufacturer Part Number: FAN100
• Description: The primary-side PWM controller FAN100 significantly simplifies power supply design that requires CV and CC regulation capabilities
• Manufacturer: Fairchild Semiconductor

© 2009 Fairchild Semiconductor Corporation
FAN100 Rev. 1.0.2
Application Diagram
Internal Block Diagram
GND
VDD
7
6
16V/5V
Green-Mode
Freq Hopping
Controller
+
OSC with
-
Internal Bias
COMI
3
Figure 3. Functional Block Diagram
Comparator
28V
PWM
+
-
Figure 2. Typical Application
Comparator
Brownout
+
-
PWM
OTP
OVP
-
+
COMV
Comparator
4
PWM
2
Slope Compensation
EA_V
Auto-Restart
Protection
GND
EA_I
S
R
+
-
2
+
-
Q
Q
-
+
1.3V
Compensation
2.5V
2.5V
Temp.
Soft-Driver
Leading-Edge
Blanking
Estimator
Estimator
Detector
t
V
DIS
I
O
O
V
DD
Protection
Brownout
8
1
5
VS
CS
Gate
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