TC642B/TC647B
DS21756C-page 2 2002-2013 Microchip Technology Inc.
Functional Block Diagram
TC642B/TC647B
Note: The V
OTF
comparator
Note
is for the TC642B device only.
70 mV
(typ)
V
OTF
10 k
V
SHDN
V
IN
C
F
V
MIN
GND
V
DD
V
OUT
FAULT
SENSE
Clock
Generator
Control
Logic
3xT
PWM
Timer
Start-up
Timer
Missing
Pulse
Detect
