2

Nov. 1993 C

Symbol

Parameter

Minimum

Typical

Maximum

Unit

Supply voltage

4.5

5.0

5.5

V

Supply voltage

0

0

0

V

Input low voltage

-0.3

-

0.8

V

Input high voltage

2.2

-

V

Note:

Symbol

Parameter

Minimum

Typical

Maximum

Unit

Conditions/Notes

C

Battery capacity

-

130

-

mAh

Refer to graphs in Typical Bat-

tery Characteristics section

Input leakage current

-

-

± 1

Output leakage current

-

-

± 1

µA

high impedance

Output high voltage

2.4

-

-

V

Output low voltage

-

-

0.4

V

Operating supply current

-

7

15

mA

Battery operation current

-

0.3

0.5

µA

Supply switch-over voltage

-

3.0

-

V

Power-fail-detect voltage

4.0

4.17

4.35

V

Backup cell voltage

-

3.0

-

V

Internal backup cell voltage;

refer to graphs in Typical Bat-

tery Characteristics section

-

-

V

-

-

V

Chip enable input current

-

-

100

µA

Internal 50K pull-up

Note:

Absolute Maximum Ratings

Symbol

Parameter

Value

Unit

Conditions

-0.3 to 7.0

V

-0.3 to 7.0

V

Operating temperature

0 to +70

°C

Commercial

Storage temperature

-40 to +70

°C

Commercial

Temperature under bias

-10 to +70

°C

Commercial

Soldering temperature

260

°C

For 10 seconds

Note:

Permanent device damage may occur if Absolute Maximum Ratings are exceeded. Functional operation

should be limited to the Recommended DC Operating Conditions detailed in this data sheet. Exposure to con-

ditions beyond the operational limits for extended periods of time may affect device reliability.

bq4287