TL7757

SUPPLY-VOLTAGE SUPERVISOR

AND PRECISION VOLTAGE DETECTOR

SLVS041I – SEPTEMBER 1991 – REVISED AUGUST 2003

7

POST OFFICE BOX 655303

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

0.036

0.024

0.020

0.040

TA – Free-Air Temperature – °C

VCC = 7 V

VCC = 5.5 V

RL = 0

VCC = 4.3 V

Figure 6

50

40

20

10

0

90

30

04

8

12

70

60

80

LOW-LEVEL OUTPUT VOLTAGE

vs

LOW-LEVEL OUTPUT CURRENT

100

16

20

110

120

IOL – Low-Level Output Current – mA

VCC = 1 V

VCC = 4.3 V

TA = 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

VCC = 4.3 V

IOL = 20 mA

IOL = 8 mA

IOL = 1 mA

TA – Free-Air Temperature – °C

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

VCC – Supply Voltage – V

TA = 25°C

† Data at high and low temperatures are applicable only within the rated operating free-air temperature ranges of the various devices.