The hysteresis width is VHYS= VDETECT(+) - VDETECT (-)
RA
VB
V re f
RB
RC
C o m p a r a to r w ith h y s te r e s is
VC
HT7627
V D D (V O U T )
V DET
MN
The following figure shows the hysteresis effect according to the previous figure.
V DET
V D E T E C T (- )
V HYS
V D E T E C T (+ )
V OUT
Rev. 1.00
4
January 18, 2002