MAX1508 Maxim, MAX1508 Datasheet - Page 3

• Manufacturer Part Number: MAX1508
• Description: Linear Li Battery Charger with Integrated Pass FET / Thermal Regulation / and ACOKin 3mm x 3mm TDFN
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
= 2.8kΩ to GND, C
T
Note 1: Limits are 100% production tested at T
Thermal Regulation, and ACOK in 3mm x 3mm TDFN
BATT Removal Detection-Threshold Hysteresis
Minimum BATT Bypass Capacitance
Fast-Charge Current-Loop System Accuracy
Precharge Current System Accuracy
Die-Temperature-Regulation Set Point
V
Current-Sense Amplifier Gain, I
Fast-Charge Mode
Regulator Dropout Voltage (V
EN or EN Logic Input Low Voltage
EN or EN Logic Input High Voltage
EN or EN Internal Pulldown Resistor
CHG Output Low Current
CHG Output High Leakage Current
ACOK Output Low Voltage
ACOK Output High Leakage Current
Full-Battery Detection Current Threshold
(as a Percentage of the Fast-Charge Current)
Linear Li+ Battery Charger with Integrated Pass FET,
A
IN
BATT
= +25°C.) (Note 1)
= 5V, V
Precharge Threshold Voltage
tion using statistical quality control (SQC) methods.
BATT
= 4.0V, ACOK = EN = CHG = unconnected (for the MAX1508 and MAX1508Z), EN = VL (for the MAX1508Y,) R
PARAMETER
VL
_______________________________________________________________________________________
= 0.47µF, BATT bypassed to GND with 1µF, T
IN
SET
- V
BATT
to I
BATT
)
in
A
= +25°C. Limits over operating temperature range are guaranteed through correla-
V
Percentage of the fast-charge current,
V
V
I
V
4.25V < V
4.25V < V
(MAX1508 and MAX1508Z only)
V
V
I
V
I
BATT
ACOK
BATT
BATT
BATT
BATT
BATT
CHG
CHG
ACOK
= 500mA, V
falling
= 1V
= 13V
= 3.5V
= 2.2V (MAX1508 only)
rising (MAX1508 only)
= 4.1V, I
= 0.5mA
= 5.5V
IN
IN
< 6.5V
< 6.5V
BATT
CONDITIONS
ISET
A
= -40°C to +85°C, unless otherwise noted. Typical values are at
= 425mA
= 1.4V
T
T
T
T
A
A
A
A
= +25°C
= +85°C
= +25°C
= +85°C
0.880
MIN
478
100
2.3
1.3
5
5
5
0.958
0.002
0.002
TYP
200
520
100
130
200
2.5
10
12
10
1
1.035
MAX
0.52
562
200
400
2.7
0.4
15
20
15
1
1
UNITS
mA/A
µF/A
mV
mA
mV
mA
kΩ
°C
µA
µA
%
%
V
V
V
V
ISET
3