TL7757_14 Datasheet, PDF (7/20 Pages) Texas Instruments – SUPPLY-VOLTAGE SUPERVISOR AND PRECISION VOLTAGE DETECTOR

TL7757
SUPPLY-VOLTAGE SUPERVISOR
AND PRECISION VOLTAGE DETECTOR
SLVS041I − SEPTEMBER 1991 − REVISED AUGUST 2003
TYPICAL CHARACTERISTICS^†
SUPPLY CURRENT
vs
FREE-AIR TEMPERATURE
1.52
1.48 ^RL ^{= 0}
1.44
1.4
1.36
1.32
1.28
V_CC = 4.3 V
0.040
0.036
0.032
V_CC = 7 V
0.028
0.024
V_CC = 5.5 V
0.020
−75 − 50 − 25 0
25 50 75 100 125
T_A − Free-Air Temperature − °C
Figure 6
LOW-LEVEL OUTPUT VOLTAGE
vs
LOW-LEVEL OUTPUT CURRENT
120
110
T_A = 25°C
100
90
V_CC = 1 V
80
70
60
V_CC = 4.3 V
50
40
30
20
10
0
0
4
8
12
16
20
I_OL − Low-Level Output Current − mA
Figure 7
LOW-LEVEL OUTPUT VOLTAGE
vs
FREE-AIR TEMPERATURE
120
V_CC = 4.3 V _{IOL = 20 mA}
100
80
60
I_OL = 8 mA
40
20
I_OL = 1 mA
0
−100 − 50
0
50
100
150
T_A − Free-Air Temperature − °C
Figure 8
0.02
0.018
OUTPUT CURRENT
vs
SUPPLY VOLTAGE
T_A = 25°C
0.016
0.014
0.012
0.01
0.008
0.006
0.004
0.002
0
0.75 0.8 0.85 0.9 0.95
1
1.05
V_CC − Supply Voltage − V
Figure 9
† _{Data at high and low temperatures are applicable only within the rated operating free-air temperature ranges of the various devices.}
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