MAX709 datasheet(2/8 Pages) MAXIM

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Power-Supply Monitor with Reset

_______________________________________________________________________________________

Terminal Voltage (with respect to GND)

VCC................................................ -0.3V to 6.0V

RESET.................................... -0.3V to (VCC + 0.3V)

Input Current, VCC .......................................... 20mA

Output Current, RESET ..................................... 20mA

Rate-of-Rise, VCC ......................................... 100V/µs

Continuous Power Dissipation (TA = +70°C)

Plastic DIP (derate 9.09mW/°C above +70°C) ........ 727mW

µMAX (derate 4.10mW/°C above +70°C) ............. 330mW

SO (derate 5.88mW/°C above +70°C)................. 471mW

Operating Temperature Ranges

MAX709_C___ ................................... 0°C to +70°C

MAX709_E___ . ................................ -40°C to +85°C

Storage Temperature Range .................. -65°C to +160°C

Lead Temperature (soldering, 10sec).................... +300°C

ELECTRICAL CHARACTERISTICS

(VCC = full range, TA = TMIN to TMAX, unless otherwise noted.)

Stresses beyond those listed under “Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

Note 1: Supply current is measured with VCC = 3.6V for MAX709R/S/T, and VCC = 5.5V for all versions.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VCC Range

1.0

5.5

1.2

5.5

Supply Current (Note 1)

µA

110

All versions

150

200

RESET Threshold, VTH

MAX709L

4.50

4.65

4.75

MAX709M

4.25

4.40

4.50

MAX709T

3.00

3.08

3.15

MAX709S

2.85

2.93

3.00

MAX709R

2.55

2.63

2.70

VCC to RESET Delay

VCC = reset threshold max to reset threshold min

µs

Reset Active Timeout Period

VCC = reset threshold max, VCC rising

140

280

560

RESET Output Voltage

0.3

0.4

ISINK = 50µA, VCC ≥ 1.0V, MAX709_C

0.3

ISINK = 100µA, VCC ≥ 1.2V, MAX709_E

0.4

ISOURCE = 800µA, VCC ≥ reset threshold max,

MAX709L/M only

MAX709_C

MAX709_E

MAX709_C, VCC < 3.6V

MAX709_E, VCC < 3.6V

MAX709_C, VCC < 5.5V

MAX709_E, VCC < 5.5V

MAX709R/S/T only

ISINK = 1.2mA, VCC = reset threshold min,

MAX709R/S/T only

ISINK = 3.2mA, VCC = reset threshold min,

MAX709L/M only

ISOURCE = 500µA, VCC ≥ reset threshold max,

MAX709R/S/T only

0.8 x VCC

VCC - 1.5

ABSOLUTE MAXIMUM RATINGS

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