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

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

012

3

4

5

4

5

SUPPLY VOLTAGE

vs

RESET OUTPUT VOLTAGE

6

67

7

8

TA = 25°C

IO = 0

VCC − Supply Voltage − V

Output

Undefined

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.