Datasheet
TL7702B, TL7705B, TL7733B
SUPPLY-VOLTAGE SUPERVISORS
SLVS037M – SEPTEMBER 1989 – REVISED MAY 2003
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
functional block diagram
The functional block diagram is shown for illustrative purposes only; the actual circuit includes a trimming
network to adjust the reference voltage and sense-comparator trip point.
RESIN
≈70 µA
R1
(see Note A)
R2
(see Note A)
Reference
Voltage 1
SENSE
GND
V
CC
CT
RESET
RESET
REF
8
3
7
2
4
6
5
1
Pin numbers shown are for the D, JG, and P packages.
NOTE A: TL7702B: R1 = 0 Ω, R2 = open, V
x
= V
REF1
TL7705B: R1 = 23 kΩ, R2 = 10 kΩ, nominal, V
x
≈1.43 V
TL7733B: R1 = 11.3 kΩ, R2 = 10 kΩ, nominal, V
x
≈1.43 V
Reference
Voltage 2
V
x
typical timing diagram
V
IT–
RESET
V
res
0
t
d
0
V
CC
and
SENSE
t
d
V
IT–
V
IT+
V
IT+
V
res
Output
Undefined
Output
Undefined
The TL7705BM is obsolete
and no longer is supplied.