MAX7705CSA datasheet(2/8 Pages) MAXIM

2 / 8 page

µP Power-Supply Monitor

with Reset

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

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 Disipation (TA = +70°C)

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

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

Operating Temperature Ranges:

MAX7705C_ _ .....................................................0°C to +70°C

MAX7705E_ _ ..................................................-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.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

MAX7705C

1.0

5.5

VCC Range

MAX7705E

1.2

5.5

MAX7705C, VCC < 5.5V

150

Supply Current

MAX7705E, VCC < 5.5V

200

µA

RESET Threshold

4.50

4.65

4.75

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

ISINK = 3.2mA, VCC = reset threshold min

0.4

ISINK = 50µA, VCC ≥ 1.0V, MAX7705C

0.3

RESET Output Voltage

ISOURCE = 800µA, VCC ≥ reset threshold max

VCC - 1.5

ISINK = 100µA, VCC ≥ 1.2V, MAX7705E

0.4

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