Switch-Mode 1-Cell Li+ Chargers

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5

Note 1: When the AC adapter is unplugged or if the charger is shut down, BATT drain is less than 10µA.

Note 2: These specifications guarantee the thermistor interface detects a fault at the correct temperature (0°C to +5°C cold temper-

ature and 45°C to +50°C hot temperature) with Philips NTC Thermistor Series 640-6, 2322-640-63103, 10.0K at +25°C, ±5%

(or equivalent).

occur on alternate CT clock transitions.

Note 4: Specifications to -40°C are guaranteed by design and not production tested.

ELECTRICAL CHARACTERISTICS (continued)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

CHG Output High Leakage

Current

1

µA

ACON High Leakage

1

µA

ACON Sink Current

2

mA

THERMISTOR MONITOR

THRM Sense Current for Hot

Qualification

342

363

µA

THRM Sense Current for Cold

Qualification

47.3

50.3

µA

THRM Sense-Voltage Trip Point

(Note 3)

1.379

1.421

V