FAN6755W Fairchild Semiconductor, FAN6755W Datasheet - Page 3

• Manufacturer Part Number: FAN6755W
• Description: This highly integrated PWM controller provides several features to enhance the performance of flyback converters
• Manufacturer: Fairchild Semiconductor

© 2009 Fairchild Semiconductor Corporation
FAN6755W / FAN6755UW • Rev. 1.0.5
Internal Block Diagram
Marking Information
VDD
VIN
7
6
1
ZXYTT
6755
WTPM
V
IN_ON
HV
7
/ V
IN_OFF
Startup
HV
5.3V
V
DD-OVP
High/Low
Line Compensation
UVLO
Brownout Protection
Debounce
Debounce
Brownout Protection
Generator
7
Figure 2.
Clock
Internal
BIAS
V
ZXYTT
6755U
WTPM
OVP
Limit
V
IN-P
rotect
Figure 3. Top Mark
Green
Mode
…
Internal Block Diagram
OTP
GND
3
4
OLP
Protection
S
R
Re-start
Current Limit
Comparator
Comparator
Comparator
Delay
Q
Soft-Start
OLP
PWM
Comparator
OLP
OTP
OLP
OVP
V
IN-P
rotect
Z: Plant Code
X: 1-Digit Year Code
Y: 1-Digit Week Code
TT: 2-Digit Die Run Code
T: Package Type (M:SOP)
P: Y=Green Package
M: Manufacture Flow Code
Compensation
Soft-Start
V
R
Driver
Soft
Limit
V
Slope
FB-OLP
3R
Blanking
Circuit
V
DD
5.3V
2
5
3
www.fairchildsemi.com
SENSE
GATE
FB