MAX808LEPA datasheet(3/12 Pages) MAXIM

Part #	MAX808LEPA

Description	8-Pin 關P Supervisory Circuits with 짹1.5eset Accuracy

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Manufacturer	MAXIM [Maxim Integrated Products]

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3 / 12 page

8-Pin µP Supervisory Circuits

with ±1.5% Reset Accuracy

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(VCC = 4.6V to 5.5V for the MAX80_L, VCC = 4.5V to 5.5V for the MAX80_N, VCC = 4.35V to 5.5V for the MAX80_M; VBATT = 2.8V;

TA = TMIN to TMAX. Typical values are at VCC = 5V and TA = +25°C, unless otherwise noted.)

VCC rising

and falling

VCC rising

VCC falling at 1mV/µs

ISINK = 50µA,

VBATT = 0V,

VCC falling

VCC falling at 1mV/µs

MAX80_M

VCC falling

MAX80_L

MAX80_N

CONDITIONS

0.1

0.4

RESET Output Voltage

0.3

V

4.350

4.425

4.500

VRST

Reset Threshold

ms

140

200

280

tRP

RESET Active Timeout

Period

µs

17

tLL

VCC to LOWLINE Delay

µs

17

tRD

VCC to RESET Delay

V

4.48

4.56

VLL

LOWLINE Threshold,

VCC Rising

mV

13

Reset-Threshold Hysteresis

mV

30

52

70

VLR

LOWLINE to RESET

Threshold Voltage

4.73

4.81

4.63

4.71

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

MAX80_L

MAX80_N

4.500

4.575

4.650

4.600

4.675

4.750

MAX80_M

ISOURCE = 0.1mA

VCC - 1.5

VCC - 0.1

V

ISINK = 3.2mA

ISOURCE = 5mA, VCC = 4.25V

0.4

V

VCC - 1.5

RESET Output Voltage

(MAX801)

Output sink current

Output source current, VCC = 4.25V

ISINK = 3.2mA, VCC = 4.25V

ISOURCE = 5mA, VCC = 4.25V

0.4

V

VCC - 1.5

LOWLINE Output Voltage

55

mA

15

ISC

RESET Output Short-

Circuit Current (MAX801)

Output sink current, VCC = 4.25V

Output source current

40

mA

20

ISC

LOWLINE Output

Short-Circuit Current

VCC = 1.0V, MAX80_C

VCC = 1.2V, MAX80_E/M

ISINK = 3.2mA, VCC = 4.25V

Output sink current, VCC = 4.25V

Output source current

40

mA

1.6

ISC

RESET Output

Short-Circuit Current

1.12

1.6

2.24

sec

0.75 x VCC

tWD

Watchdog Timeout Period

VIH

V

RESET deasserted, WDI = 0V

0.8

-50

-10

VIL

WDI Threshold Voltage

(Note 4)

µA

RESET deasserted, WDI = VCC

16

50

WDI Input Current

VIL = 0.8V, VIH = 0.75V x VCC

100

ns

Minimum Watchdog Input

Pulse Width

RESET AND LOW-LINE

WATCHDOG TIMER (MAX801)

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