MAX825YEXK Просмотр технического описания (PDF) - Maxim Integrated

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MAX825YEXK

5-Pin Microprocessor Supervisory Circuits With Watchdog Timer and Manual Reset

Maxim Integrated 

5-Pin Microprocessor Supervisory Circuits With

Watchdog Timer and Manual Reset

__________________________________________Typical Operating Characteristics

MAX823_, VCC = +5V, TA = +25°C, unless otherwise noted.)

VCC SUPPLY CURRENT

vs. TEMPERATURE

9

(SC70 ONLY)

8

7

MAX823L

6

5

MAX824Y

4

3

MAX825R

2

1

-40 -20

0 20 40 60 80 100 120

TEMPERATURE (°C)

RESET TIMEOUT PERIOD

vs. TEMPERATURE

250

240

230

220

210

200

190

180

170

160

150

-40 -20

0 20 40 60

TEMPERATURE (°C)

80 100

RESET COMPARATOR PROPAGATION DELAY

vs. TEMPERATURE

30

VCC FALLING

25

20

15

10

5

0

-40 -20

0 20 40 60

TEMPERATURE (°C)

80 100

WATCHDOG TIMEOUT PERIOD

vs. TEMPERATURE

2.0

1.9

1.8

1.7

1.6

1.5

1.4

1.3

1.2

1.1

1.0

-40 -20

0 20 40 60

TEMPERATURE (°C)

80 100

NORMALIZED RESET THRESHOLD

VOLTAGE vs. TEMPERATURE

1.06

1.04

1.02

1.00

0.98

0.96

0.94

-40 -20

0 20 40 60

TEMPERATURE (°C)

80 100

MAXIMUM VCC TRANSIENT DURATION

vs. RESET THRESHOLD OVERDRIVE

50

45

(SC70 ONLY)

40

35

30

25

RESET OCCURS

20

ABOVE CURVE

15

MAX82_Y

10

MAX82_R

5

MAX82_L

0

0 20 40 60 80 100 120 140 160 180 200

RESET THRESHOLD OVERDRIVE (mV), VRST - VCC

_______________________________________________________________________________________ 5

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