ISL6297_07 Datasheet, PDF (3/16 Pages) Intersil Corporation – Li-ion/Li Polymer Battery Charger

ISL6297
Electrical Specifications Typical values are tested at V_IN = 5V and +25°C ambient temperature. Maximum and minimum values are
guaranteed over recommended operating conditions, unless otherwise noted. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNITS
BATTERY TEMPERATURE MONITORING
Low Temperature Threshold
Low Temperature Hysteresis
V_TMIN V2P9 = 2.88V
1.94
2.0
2.06
V
135
167
199
mV
High Temperature Threshold
High Temperature Hysteresis
V_TMAX V2P9 = 2.88V
.704 .718 .732
V
160
185
200
mV
DT Pin MOSFET On Resistance
Charge Current Foldback Threshold (Note 4)
Current Foldback Gain (Note 5)
OSCILLATOR
R_DT
T_FOLD
G_FOLD
-
25
-
Ω
-
100
-
°C
-
100
-
mA/°C
Oscillation Period
LOGIC INPUT AND OUTPUT
T_OSC
C_TIME = 15nF
2.7
3.0
3.3
ms
EN Input Low
-
-
0.8
V
EN Pin External Pull Down to Disable
-
-
50
kΩ
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.
4. Guaranteed by design and characterization to be typically +100°C ±15%.
5. Guaranteed by design and characterization.
3
FN9215.1
March 20, 2007