3

FN9215.0

September 27, 2005

BATTERY TEMPERATURE MONITORING

Low Temperature Threshold

V2P9 = 2.88V

1.94

2.0

2.06

V

Low Temperature Hysteresis

135

167

199

mV

High Temperature Threshold

V2P9 = 2.88V

.704

.718

.732

V

High Temperature Hysteresis

160

185

200

mV

DT Pin MOSFET On Resistance

-25

-

Ω

Charge Current Foldback Threshold (Note 4)

-

100

-

°C

Current Foldback Gain (Note 5)

-

100

-

mA/°C

OSCILLATOR

Oscillation Period

2.7

3.0

3.3

ms

LOGIC INPUT AND OUTPUT

EN Input Low

--

0.8

V

EN Pin External Pull Down to Disable

-

-

50

k

Ω

LED Sink Current (RED, GRN)

Pin Voltage = 1.0V

5

10

-

mA

LED Leakage Current

--

1

µA

NOTES:

3. The actual current may be lower due to the thermal foldback.

5. Guaranteed by design and characterization.

Electrical Specifications

guaranteed over recommended operating conditions, unless otherwise noted. (Continued)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNITS

ISL6297