TPS330615Q1, TPS330618Q1, TPS330620Q1, TPS330625Q1, TPS330633Q1

DUAL PROCESSOR SUPERVISORY CIRCUITS WITH POWER FAIL

SGLS241B − MARCH 2004 − REVISED APRIL 2008

8

POST OFFICE BOX 655303

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

TEST CONDITIONS

MIN

TYP

MAX

UNIT

tt(out)

Watchdog time-out

VI(SENSEn) ≥ VIT + 0.2 V,

See timing diagram

0.5

0.8

1.2

s

td

Delay time

VI(SENSEn) ≥ VIT + 0.2 V,

See timing diagram

70

100

140

ms

tPHL

Propagation (delay) time,

high- to low-level output

SENSEn

RESET

VIH = VIT + 0.2 V,

VIL = VIT − 0.2 V

1

5

µs

tPHL

Propagation (delay) time,

high- to low-level output

PFI

PFO

0.5

1

s

tPLH

Propagation (delay) time,

low- to high-level output

PFI

PFO

0.5

1

µs

TYPICAL CHARACTERISTICS

Figure 2

1

0.999

0.997

0.995

−40

−15

10

35

1.002

1.003

NORMALIZED SENSE THRESHOLD VOLTAGE

vs

1.005

60

85

VDD = 6 V

1.004

1.001

0.998

0.996

TA − Free-Air Temperature − °C

Figure 3

4

0

−6

−10

−0.5 0 0.5 1

2.5 3 3.5

8

14

SUPPLY CURRENT

vs

SUPPLY VOLTAGE

18

45

6

7

16

12

10

6

2

−2

−4

−8

1.5 2

4.5

5.5

6.5

VDD − Supply Voltage − V

SENSEn = VDD

TA = 25°C

TPS3306-33