MAX6720UT datasheet(2/19 Pages) MAXIM

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Dual/Triple Ultra-Low-Voltage SOT23 µP

Supervisory Circuits

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ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VCC1 = VCC2 = 0.8V to 5.5V, GND = 0, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)

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.

Terminal Voltage (with respect to GND)

VCC1, VCC2 ..........................................................-0.3V to +6V

Open-Drain RST, RST1, RST2, PFO, RST ................-0.3V to +6V

Push-Pull RST, RST1, PFO, RST...............-0.3V to (VCC1 + 0.3V)

Push-Pull RST2 .........................................-0.3V to (VCC2 + 0.3V)

RSTIN, PFI, MR, WDI ................................................-0.3V to +6V

Input Current/Output Current (all pins) ...............................20mA

Continuous Power Dissipation (TA = +70°C)

5-Pin SOT23-5 (derate 7.1mW/°C above +70°C) ........571mW

6-Pin SOT23-6 (derate 8.7mW/°C above +70°C) ........696mW

8-Pin SOT23-8 (derate 8.9mW/°C above +70°C) ........714mW

Operating Temperature Range ...........................-40°C to +85°C

Storage Temperature Range .............................-65°C to +150°C

Junction Temperature ......................................................+150°C

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

VCC

0.8

5.5

VCC1 < 5.5V, all I/O pins open

ICC1

VCC1 < 3.6V, all I/O pins open

VCC2 < 3.6V, all I/O pins open

Supply Current

ICC2

VCC2 < 2.75V, all I/O pins open

µA

L (falling)

4.500

4.625

4.750

M (falling)

4.250

4.375

4.500

T (falling)

3.000

3.075

3.150

S (falling)

2.850

2.925

3.000

R (falling)

2.550

2.625

2.700

Z (falling)

2.250

2.313

2.375

Y (falling)

2.125

2.188

2.250

W (falling)

1.620

1.665

1.710

VCC1 Reset Threshold

VTH1

V (falling)

1.530

1.575

1.620

T (falling)

3.000

3.075

3.150

S (falling)

2.850

2.925

3.000

R (falling)

2.550

2.625

2.700

Z (falling)

2.250

2.313

2.375

Y (falling)

2.125

2.188

2.250

W (falling)

1.620

1.665

1.710

V (falling)

1.530

1.575

1.620

I (falling)

1.350

1.388

1.425

H (falling)

1.275

1.313

1.350

G (falling)

1.080

1.110

1.140

F (falling)

1.020

1.050

1.080

E (falling)

0.810

0.833

0.855

VCC2 Reset Threshold

VTH2

D (falling)

0.765

0.788

0.810

Reset Threshold Tempco

ppm/°C

Reset Threshold Hysteresis

VHYST

Referenced to VTH typical

0.5

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