BQ3285ECSSTR datasheet(14/26 Pages) TI

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bq3285EC/LC

July 1996

DC Electrical Characteristics—bq3285LC (T

A =TOPR,VCC =3V ± 10%)

Symbol

Parameter

Minimum Typical

Maximum

Unit

Conditions/Notes

ILI

Input leakage current

± 1

µAVIN =VSS to VCC

ILO

Output leakage current

± 1

µA

AD0–AD7 and INT in high

impedance,

VOUT =VSS to VCC

VOH

Output high voltage

2.2

IOH = -1.0 mA

VOL

Output low voltage

0.4

IOL = 2.0 mA

ICC

Operating supply current

9mA

Min. cycle, duty = 100%,

OH = 0mA, IOL = 0mA

ICCSB

Standby supply current

100

µA

VIN =VSS or VCC,

≥ VCC - 0.2

VSO

Supply switch-over voltage

-V

PFD

-V

VBC >VPFD

-VBC

-V

VBC <VPFD

ICCB

Battery operation current

0.3

0.5

µA

BC =3V, TA = 25°C,

VCC <VBC

VPFD

Power-fail-detect voltage

2.4

2.53

2.65

IRCL

Input current when RCL =VSS.

120

µA Internal 30K pull-up

IMOTH

Input current when MOT = VCC

-120

µA Internal 30K pull-down

Input current when MOT = VSS

µA Internal 30K pull-down

IXTRAM

Input current when EXTRAM =

VCC

-120

µA Internal 30K pull-down

Input current when EXTRAM =

VSS

µA Internal 30K pull-down

Notes:

1. Typical values indicate operation at TA = 25°C, VCC =3V.

2. 7mA at VCC =5V

3. 300

µAatVCC =5V

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