Datasheet

2006-03-09
Page 15
ISP 762 T
Figure 3a: Turn on into short circuit,
shut down by overtemperature, restart by cooling
t
I
IN
L
L(SCr)
I
I
L(SCp)
t
off(SC)
t
m
t
Figure 5: Undervoltage restart of charge pump
Heating up of the chip may require several milliseconds, depending
on external conditions.
V
o n
V
b b ( u n d e r )
V
b b ( u c p )
V
b b
Figure 4: Overtemperature:
Reset if T
j
< T
jt
IN
OUT
J
t
V
T