Rainbow-electronics MAX6781 Manual de usuario descargar pdf (Pagina 3)

MAX6775–MAX6781

Low-Power, 1%-Accurate Battery

Monitor in µDFN and SC70 Packages

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS (continued)

BATT

= 1.6V to 5.5V, T

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

= +25°C.) (Note 1)

Note 1: Devices are tested at T

= +25°C and guaranteed by design for T

MIN

to T

MAX

, as specified.

Note 2: Operating range ensures low-battery output is in the correct state. Minimum battery voltage for electrical specification is 1.6V.

Note 3: The rising threshold is guaranteed to be higher than the falling threshold.

PARAMETER

SYMBOL

CONDITIONS MIN TYP MAX

UNITS

LOW-BATTERY OUTPUTS (LBO, LBO1, LBO2)

Propagation Delay t

LBI_

+ 100mV to V

LBI_

- 100mV 9 µs

Startup Time V

BATT

rising above 1.6V 3 ms

BATT

≥ 1.2V, I

SINK

= 100µA 0.3

BATT

≥ 2.7V, I

SINK

= 1.2mA 0.3

Output Low (Push-Pull or

Open-Drain)

BATT

≥ 4.5V, I

SINK

= 3.2mA 0.3

BATT

≥ 1.6V, I

SOURCE

= 100µA

0.8 x

BATT

≥ 2.7V, I

SOURCE

= 500µA

0.8 x

BATT

Output High (Push-Pull ) V

BATT

≥ 4.5V, I

SOURCE

= 800µA

0.8 x

BATT

Output Leakage Current

(Open-Drain)

Output not asserted, V

LBO_

= 5.5V -100 +100 nA

Typical Operating Characteristics

= +25°C, unless otherwise noted.)

SUPPLY CURRENT

vs. TEMPERATURE

MAX6775 toc01

TEMPERATURE (°C)

SUPPLY CURRENT (µA)

603510-15

3.0

3.5

4.0

4.5

5.0

5.5

6.0

2.5

-40 85

BATT

= 5V

BATT

= 3.6V

BATT

= 3V

BATT

= 2.4V

BATT

= 1.6V

PROPAGATION DELAY

vs. TEMPERATURE

MAX6775 toc02

TEMPERATURE (°C)

PROPAGATION DELAY (µs)

603510-15

-40 85

BATT

= 5V

100mV OVERDRIVE

BATT

= 1.6V

MAXIMUM TRANSIENT DURATION

vs. THRESHOLD OVERDRIVE

MAX6775 toc03

THRESHOLD OVERDRIVE V

- V

(mV)

MAXIMUM TRANSIENT DURATION (µs)

10010

1 1000

OUTPUT ASSERTED ABOVE THIS LINE

1 2 3 4 5 6 7 8 ... 11 12

MAX6775–MAX6781 1

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Rainbow-electronics MAX6781 Manual de usuario Pagina 3

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