Rainbow-electronics MAX6781 Manual de usuario descargar pdf (Pagina 2)

MAX6775–MAX6781

Low-Power, 1%-Accurate Battery

Monitor in µDFN and SC70 Packages

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

BATT

= 1.6V to 5.5V, T

= -40°C to +85°C, unless otherwise specified. Typical values are at T

= +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.

BATT to GND............................................................-0.3V to +6V

LBI, LBL, LBH, LBI1, LBI2 to GND ...............-0.3V to minimum of

((V

BATT

+ 0.3V) and +6V)

LBO, LBO1, LBO2 to GND (open-drain) .................-0.3V to +6V

LBO, LBO1, LBO2 to GND (push-pull).........-0.3V to minimum of

((V

BATT

+ 0.3V) and +6V)

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

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

Continuous Power Dissipation (T

= +70°C)

5-Pin SC70 (derate 3.1mW/°C above +70°C)..............247mW

6-Pin µDFN (derate 2.1mW°C above +70°C) ..............168mW

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

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

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

PARAMETER

SYMBOL

CONDITIONS MIN TYP MAX

UNITS

= 0°C to +70°C 1.0 5.5

Operating Voltage Range

(Note 2)

BATT

= -40°C to +85°C 1.2 5.5

BATT

= 3.7V, no load 4 7

Supply Current I

BATT

= 1.8V, no load 3.2 6

µA

FIXED HYSTERESIS (MAX6775/MAX6776/MAX6779/MAX6780/MAX6781)

0.5% hysteresis version

1.2037 1.2159 1.2280

5% hysteresis version

1.1493 1.1609 1.1725

LBI, LBI_ Falling Threshold

(Note 3)

LBIF

10% hysteresis version

1.0888 1.0998 1.1108

LBI Rising Threshold V

LBIR

1.2098

1.222

1.2342

LBI Input Leakage Current 0.2V ≤ V

LBI

≤ V

BATT

- 0.2V -5 +5 nA

ADJUSTABLE HYSTERESIS (MAX6777/MAX6778)

LBL, LBH Threshold V

BATT

= 1.8V to 5.5V

1.2098

1.222

1.2342

LBL, LBH Input Leakage Current

BATT

- 0.2V ≥ V

LBL/LBH

≥ 0.2V -5 +5 nA

1 2 3 4 5 6 7 ... 11 12

MAX6775–MAX6781 1

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Rainbow-electronics MAX6781 Manual de usuario Pagina 2

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