Datasheet

TL7757
SUPPLY-VOLTAGE SUPERVISOR
AND PRECISION VOLTAGE DETECTOR
SLVS041I − SEPTEMBER 1991 − REVISED AUGUST 2003
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
†
1.36
1.28
0.028
0.032
−75 − 50 − 25 0 25 50
1.44
1.48
SUPPLY CURRENT
vs
FREE-AIR TEMPERATURE
1.52
75 100 125
1.4
1.32
IDD − Supply Current − mA
I
CC
0.036
0.024
0.020
0.040
T
A
− Free-Air Temperature − °C
V
CC
= 7 V
V
CC
= 5.5 V
R
L
= 0
V
CC
= 4.3 V
Figure 6
50
40
20
10
0
90
30
04812
70
60
80
LOW-LEVEL OUTPUT VOLTAGE
vs
LOW-LEVEL OUTPUT CURRENT
100
16 20
110
120
VOL − Low-Level Output Voltage − mV
V
OL
I
OL
− Low-Level Output Current − mA
V
CC
= 1 V
V
CC
= 4.3 V
T
A
= 25°C
Figure 7
Figure 8
60
40
20
0
80
100
120
LOW-LEVEL OUTPUT VOLTAGE
vs
FREE-AIR TEMPERATURE
−100 − 50 0 50 100 150
V
CC
= 4.3 V
I
OL
= 20 mA
I
OL
= 8 mA
I
OL
= 1 mA
T
A
− Free-Air Temperature − °C
VOL − Low-Level Output Voltage − mV
V
OL
Figure 9
0.006
0.004
0.002
0
0.75 0.8 0.85 0.9
0.008
0.01
OUTPUT CURRENT
vs
SUPPLY VOLTAGE
0.012
0.95 1 1.05
0.014
0.016
0.018
0.02
IO − Output Current − mA
I
O
V
CC
− Supply Voltage − V
T
A
= 25°C
†
Data at high and low temperatures are applicable only within the rated operating free-air temperature ranges of the various devices.