Datasheet

TL7702A, TL7705A, TL7709A, TL7712A, TL7715A
SUPPLY-VOLTAGE SUPERVISORS

SLVS028I − APRIL 1983 − REVISED JULY 2009
8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
4.7 kΩ
0.1 µF
SENSE
GND
REF
RESET
V
CC
CT
C
T
TL7705A
INPUT OUTPUT
C
O
C
I
COMMON
25 kΩ
G
S
D
Q1
2N3994
5 V
µA7805
RESET
4.7 kΩ
System RESET
8
7
3
4
1
6
5
Input
Figure 8. Eliminating Undefined States Using a P-Channel JFET
2.7 kΩ
0.1 µF
SENSE
GND
REF
RESIN
V
CC
CT
C
T
TL77xxA
RESET
750 Ω
System RESET
Q1
2N4036
V
CC
10 kΩ 1 kΩ
10 kΩ
RESET
8
7
3
4
1
6
5
SENSE Input
2
Figure 9. Eliminating Undefined States Using a pnp Transistor