Datasheet

TL7757
SUPPLY-VOLTAGE SUPERVISOR
AND PRECISION VOLTAGE DETECTOR
SLVS041I − SEPTEMBER 1991 − REVISED AUGUST 2003
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
†
Table of Graphs
FIGURE
V
CC
Supply voltage vs RESET output voltage 4
I
CC
Supply current vs Supply voltage 5
I
CC
Supply current vs Free-air temperature 6
V
OL
Low-level output voltage vs Low-level output
current
7
V
OL
Low-level output voltage 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
RESET Output Voltage − V
V
CC
− Supply Voltage − V
Output
Undefined
Figure 5
1
0.5
0
01234
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.