FAN6755UWMY Datasheet, PDF (3/17 Pages) Fairchild Semiconductor – mWSaver™ PWM Controller

Internal Block Diagram
HV
7
OTP
Re-start
OVP
Brownout Protection
Protection
OLP
VIN-OVP
VDD
Soft
Driver
V_PWM
5 GATE
VDD 6
VIN-ON / VIN-OFF
OSC
SQ
UVLO
Internal
BIAS
…
VDD-OVP
Pattern
Generator
V_RESET
Debounce OVP
Green
Mode
Brownout Protection
R
VRESET
Soft-Start
Comparator
Current Limit
Comparator
Max.
Duty
PWM
Comparator
VPWM
VIN 1
High/Low
Line Compensation
VLimit
VIN-Protect
Debounce VIN-OVP
OLP ^OLP
Delay
OLP
Comparator
Figure 2.
4
GND
Internal Block Diagram
Soft-Start
Circuit
Blanking
3 SENSE
VLimit
Slope
Compensation
3R
R
5.3V
2 FB
V_FB-OLP
Marking Information
7
ZXYTT
6755
WTPM
7
ZXYTT
6755U
WTPM
Figure 3. Top Mark
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
© 2009 Fairchild Semiconductor Corporation
FAN6755W / FAN6755UW • Rev. 1.0.7
3
www.fairchildsemi.com