MAX691A datasheet(5/16 Pages) MAXIM

Part #	MAX691A

Description	Microprocessor Supervisory Circuits

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Manufacturer	MAXIM [Maxim Integrated Products]

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Microprocessor Supervisory Circuits

_______________________________________________________________________________________

5

36

26

-60

120

150

VCC SUPPLY CURRENT

vs. TEMPERATURE

(NORMAL OPERATING MODE)

34

TEMPERATURE (°C)

30

28

-30

0

90

32

60

VCC = 5V

VBATT = 2.8V

PFI, CE IN = 0V

0

-60

120

150

BATTERY SUPPLY CURRENT

vs. TEMPERATURE

(BATTERY-BACKUP MODE)

2

TEMPERATURE (°C)

30

1

0.5

-30

0

90

1.5

60

VCC = 5V

VBATT = 2.8V

NO LOAD

120

-60

120 150 180

CHIP-ENABLE ON-RESISTANCE

vs. TEMPERATURE

100

TEMPERATURE (°C)

30

60

40

-30

0

90

80

60

VCC = 4.75V

VBATT = 2.8V

VCE IN = VCC/2

20

5

-60

120

150

VBATT to VOUT ON-RESISTANCE

vs. TEMPERATURE

TEMPERATURE (°C)

30

10

-30

0

90

15

60

VCC = 0V

VBATT = 2.8V

VBATT = 2.0V

VBATT = 4.5V

4.75

4.30

-60

120

150

RESET THRESHOLD

vs. TEMPERATURE

TEMPERATURE (°C)

30

4.45

-30

0

90

4.65

4.40

4.35

4.50

4.70

4.55

4.60

60

VBATT = 2.8V

MAX691A

MAX800L

MAX693A

MAX800M

1.2

0.6

-60

120

150

VCC to VOUT ON-RESISTANCE

vs. TEMPERATURE

TEMPERATURE (°C)

30

0.8

-30

0

90

1.0

0.7

0.9

1.1

60

VCC = 5V,

VBATT = 0V

1.50

0

-60

120

150

PFI THRESHOLD

vs. TEMPERATURE

TEMPERATURE (°C)

30

0.50

-30

0

90

1.00

0.25

0.75

1.25

60

VCC = +5V,

VBATT = 0V

NO LOAD ON PFO

600

0

-60

120

150

RESET OUTPUT RESISTANCE

vs. TEMPERATURE

TEMPERATURE (°C)

30

200

-30

0

90

100

500

300

400

60

VCC = 5V, VBATT = 2.8V

SOURCING CURRENT

VCC = 0V, VBATT = 2.8V

SINKING CURRENT

-60

120

150

RESET DELAY

vs. TEMPERATURE

230

TEMPERATURE (°C)

30

190

170

-30

0

90

210

220

180

200

60

VCC = 0V TO 5V STEP

VBATT = 2.8V

__________________________________________Typical Operating Characteristics

(TA = +25°C, unless otherwise noted.)

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