2

FN9173.4

March 9, 2006

Absolute Maximum Ratings

Thermal Information

Supply Voltage (VIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to 7V

Output Pin Voltage (VBAT) . . . . . . . . . . . . . . . . . . . . . . -0.3 to 5.5V

Signal Input Voltage (TOEN, TIME, IREF, IMIN) . . . . . . -0.3 to 3.2V

Output Pin Voltage (STATUS, FAULT) . . . . . . . . . . . . . . . . -0.3 to 7V

Charge Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mA

Recommended Operating Conditions

Ambient Temperature Range . . . . . . . . . . . . . . . . . . . .-20°C to 70°C

Supply Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.3V to 6.5V

Charge Current . . . . . . . . . . . . . . . . . . . . . . . . . . . 75mA to 450mA

Thermal Resistance (Notes 1, 2)

4x4 QFN Package . . . . . . . . . . . . . . . .

41

4

3x3 DFN Package . . . . . . . . . . . . . . . .

46

4

Maximum Junction Temperature (Plastic Package) . . . . . . . . 150°C

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

Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300°C

CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the

device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

NOTES:

1.

Tech Brief TB379.

2.

Electrical Specifications

Typical values are tested at VIN = 5V and 25°C Ambient Temperature, maximum and minimum values are

guaranteed over 0°C to 70°C Ambient Temperature with a supply voltage in the range of 4.3V to 6.5V, unless

otherwise noted.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNITS

POWER-ON RESET

Rising VIN Threshold

3.0

3.4

4.0

V

Falling VIN Threshold (Note 3)

2.25

2.4

2.65

V

STANDBY CURRENT

VBAT Pin Sink Current

VIN floating or EN = LOW

-

-

3.0

µA

VIN Pin Supply Current

VBAT floating and EN pulled low

-

30

-

µA

VIN Pin Supply Current

VBAT floating and EN floating

-

1

-

mA

VOLTAGE REGULATION

Output Voltage

For ISL6298 only

4.059

4.10

4.141

V

Output Voltage

For ISL6298-2 only

4.158

4.20

4.242

V

Power MOSFET On Resistance

-

0.5

-

Ω

CHARGE CURRENT

Constant Charge Current

225

250

275

mA

Trickle Charge Current

45

55

64

mA

Constant Charge Current

-

255

-

mA

Trickle Charge Current

-

52

-

mA

Constant Charge Current

75

100

125

mA

Constant Charge Current

70

100

130

mA

Trickle Charge Current

-

23

-

mA

End-of-Charge Threshold

14

25

36

mA

RECHARGE THRESHOLD

Recharge Voltage Threshold

For ISL6298 only

-

3.9

-

V

Recharge Voltage Threshold

For ISL6298-2 only

-

4.0

-

V

ISL6298