TPS31xxExx, TPS31xxH20, TPS31xxK33

ULTRALOW SUPPLY CURRENT/SUPPLY VOLTAGE SUPERVISORY CIRCUITS

SLVS363B − AUGUST 2001 − REVISED SEPTEMBER 2004

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13

TYPICAL CHARACTERISTICS

Table of Graphs

FIGURE

Supply current

vs Supply voltage at TA = −40°C, 0°C, 25°C, 85°C

4

VOL

Low-level output voltage

vs Low-level output current at TA = −40°C, 0°C, 25°C, 85°C at 0.9 V, 3.3 V

5, 6

VOH

High-level output voltage

vs High-level output current at TA = −40°C, 0°C, 25°C, 85°C at 0.9 V, 3.3 V

7, 8

tw

Minimum pulse duration at VDD

vs Threshold overdrive voltage

9

VIT

Normalized threshold voltage

vs Free-air temperature

10

Figure 4

0

2

4

6

8

10

12

14

16

18

20

0

0.5

1

1.5

2

2.5

3

TA = 85°C

TA = 25°C

TA = 0°C

TA = −40°C

VDD − Supply Voltage − V

TPS3110E09

SUPPLY CURRENT

vs

SUPPLY VOLTAGE

SENSE = VDD

MR = Open

RESET = Open

WDI: Triggered

Figure 5

0

0.05

0.10

0.15

0.20

0.25

0.30

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

1.8

2

TA = 25°C

TA = 0°C

TA = −40°C

TA = 85°C

TPS3110E09

LOW-LEVEL OUTPUT VOLTAGE

vs

LOW-LEVEL OUTPUT CURRENT

IOL − Low-Level Output Current − mA

VDD = 0.9 V

SENSE = GND

MR = GND

WDI = GND