MP6411―WINDOWED WATCHDOG TIMER

MP6411 Rev. 1.1

www.MonolithicPower.com

4

1/24/2018

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ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Condition

Min

Typ

Max

Units

Power Supply

Timer voltage

0.3

V

Quiescent current

16

19

µA

10

14

25

32

14

18

Power on reset

threshold

MP6411,

WDO goes high with rising VCC

4.4

4.6

4.8

V

MP6411-33,

WDO goes high with rising VCC

2.9

3

3.1

MP6411,

WDO goes low with falling VCC

4.3

4.5

4.7

MP6411-33,

WDO goes low with falling VCC

2.8

2.9

3

Timing

Single period

T

-10%

880

+10%

µs

Power on delay

(4)

10

cycle

Sync signal monitoring

time

(5)

450

cycle

Watchdog window close

time (short mode)

(4)

15

cycle

Watchdog window open

time (short mode)

(4)

10

cycle

Watchdog window close

time (long mode)

(4)

1500

cycle

Watchdog window open

time (long mode)

(4)

1000

cycle

WDO reset pulse

width

(4)

4

cycle

WDI_OK pulse width

10

5000

μs

Input and Output

WDI logic high

MP6411

3.2

V

MP6411-33

2.1

WDI logic low

MP6411

0.8

V

MP6411-33

0.6

MODE logic high

MP6411

3.2

V

MP6411-33

2.1

MODE logic low

MP6411

0.8

V

MP6411-33

0.6