Datasheet

TL7757, TL7757Y
SUPPLY VOLTAGE SUPERVISOR
AND PRECISION VOLTAGE DETECTOR
SLVS041D – SEPTEMBER 1991 – REVISED AUGUST 1995
10
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
†
Table of Graphs
FIGURE
V
CC
Supply voltage vs RESET output voltage 4
I
CC
Su
pp
ly current
vs Supply voltage 5
I
CC
S
upp
l
y curren
t
vs Free-air temperature 6
V
OL
Low level out
p
ut voltage
vs Low-level output current 7
V
OL
L
ow-
l
eve
l
ou
t
pu
t
vo
lt
age
vs Free-air temperature
8
I
OL
Output current vs Supply voltage 9
V
IT–
Input threshold voltage (negative-going V
CC
) vs Free-air temperature 10
V
res
Power-up reset voltage vs Free-air temperature 11
V
res
Power-up reset voltage and supply voltage vs Time 12
Propagation delay time 13
Figure 4
3
2
1
0
012345
4
5
SUPPLY VOLTAGE
vs
RESET
OUTPUT VOLTAGE
6
67
7
8
T
A
= 25°C
I
O
= 0
VCC – Supply Voltage – V
RESET Output Voltage – V
V
CC
Figure 5
1
0.5
0
01 234
1.5
SUPPLY CURRENT
vs
SUPPLY VOLTAGE
2
56 7
T
A
= 25°C
I
O
= 0
V
CC
– Supply Voltage – V
IDD – Supply Current – mA
I
CC
†
Data at high and low temperatures are applicable only within the rated operating free-air temperature ranges of the various devices.