MAX690(1994) 查看數據表（PDF） - Maxim Integrated

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MAX690
(Rev.:1994)

3.0V/3.3V Microprocessor Supervisory Circuits

Maxim Integrated 

3.0V/3.3V Microprocessor Supervisory Circuits

__________________________________________Typical Operating Characteristics

(TA = +25°C, unless otherwise noted.)

VCC-to-VOUT ON-RESISTANCE

vs. TEMPERATURE

5

VBATT = 3.0V

4

VCC = 2.5V

VCC = 3.3V

3

2

VCC = 5V

1

0

–60 –40 –20 0 20 40 60 80 100 120 140

TEMPERATURE (°C)

10,000

1000

BATTERY SUPPLY CURRENT

vs. TEMPERATURE

VCC = 0V

PFI = GND

VBATT = 5V

100

10

VBATT = 3V

VBATT-to-VOUT ON-RESISTANCE

vs. TEMPERATURE

180

VCC = 0V

VBATT = 2V

140

VBATT = 3V

100

VBATT = 3.3V

60

VBATT = 5V

20

–60 –40 –20 0 20 40 60 80 100 120 140

TEMPERATURE (°C)

RESET TIMEOUT PERIOD

vs. TEMPERATURE

216

212

208

VBATT = 3.0V

204

VCC = 5V

SUPPLY CURRENT

vs. TEMPERATURE

50

VCC = 5V

45

40

VCC = 3.3V

VBATT = 3V

35 PFI = GND

MR/WDI FLOATING

30

VCC = 2.5V

25

–60 –40 –20 0 20 40 60 80 100 120 140

TEMPERATURE (°C)

RESET-COMPARATOR PROPAGATION

DELAY vs. TEMPERATURE

30

VBATT = 3.0V

100mV OVERDRIVE

26

22

18

1

200

14

VBATT = 2V

VCC = 3.3V

0.1

–60 –40 –20 0 20 40 60 80 100 120 140

TEMPERATURE (°C)

196

–60 –40 –20 0 20 40 60 80 100 120 140

TEMPERATURE (°C)

10

–60 –40 –20 0 20 40 60 80 100 120 140

TEMPERATURE (°C)

PFI THRESHOLD

vs. TEMPERATURE

1.240

1.004

NORMALIZED RESET THRESHOLD

vs. TEMPERATURE

1.238

VCC = 3.3V

VCC = 5V

1.002

1.236

1.234

VCC = 2.5V

1.000

0.998

1.232

VBATT = 3.0V

1.230

–60 –40 –20 0 20 40 60 80 100 120 140

TEMPERATURE (°C)

0.996

VBATT = 3.0V

0.994

–60 –40 –20 0 20 40 60 80 100 120 140

TEMPERATURE (°C)

_______________________________________________________________________________________ 5

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