TL7757

SUPPLY-VOLTAGE SUPERVISOR

AND PRECISION VOLTAGE DETECTOR

SLVS041E – SEPTEMBER 1991 – REVISED JULY 1999

7

POST OFFICE BOX 655303

Table of Graphs

FIGURE

VCC

Supply voltage vs RESET output voltage

4

ICC

Supply current vs Supply voltage

5

ICC

Supply current vs Free-air temperature

6

VOL

Low-level output voltage vs Low-level output

current

7

VOL

Low-level output voltage vs Free-air temperature

8

IOL

Output current vs Supply voltage

9

VIT –

Input threshold voltage (negative-going VCC) vs Free-air

temperature

10

Vres

Power-up reset voltage vs Free-air temperature

11

Vres

Power-up reset voltage and supply voltage vs Time

12

Propagation delay time

13

Figure 4

3

2

1

0

01

23

4

5

4

5

SUPPLY VOLTAGE

vs

RESET OUTPUT VOLTAGE

6

67

7

8

TA = 25°C

IO = 0

RESET Output Voltage – V

Figure 5

1

0.5

0

01

2

3

4

1.5

SUPPLY CURRENT

vs

SUPPLY VOLTAGE

2

56

7

TA = 25°C

IO = 0

VCC – Supply Voltage – V

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