Datasheet

MAX8808X/MAX8808Y/MAX8808Z
1A Linear Li+ Battery Chargers with Integrated Pass
FET and Thermal Regulation in 2mm x 2mm TDFN
4 _______________________________________________________________________________________
SUPPLY CURRENT
vs. INPUT VOLTAGE
MAX8808X/Y/Z toc01
INPUT VOLTAGE (V)
SUPPLY CURRENT (mA)
14128 104 62
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0
016
DISABLED-MODE SUPPLY CURRENT
vs. INPUT VOLTAGE
MAX8808X/Y/Z toc02
INPUT VOLTAGE (V)
SUPPLY CURRENT (µA)
14122 4 6 8 10
100
200
300
400
500
600
700
800
0
016
V
EN
= 5V OR
V
EN
= 0V
CHARGE CURRENT
vs. BATTERY VOLTAGE
MAX8808X/Y/Z toc03
V
BATT
(V)
CHARGE CURRENT (mA)
4.03.52.5 3.01.0 1.5 2.00.5
100
200
300
400
500
600
700
800
900
1000
0
04.5
MAX8808Y/
MAX8808Z
MAX8808X
Typical Operating Characteristics
(V
IN
= 5V, V
BATT
= 4.0V, ACOK = EN = unconnected, R
ISET
= 2.8kΩ to GND, C
IN
= 1µF, C
BATT
= 1µF, C
VL
= 0.47µF, T
A
= +25°C,
unless otherwise noted.)
CHARGE CURRENT
vs. INPUT VOLTAGE
MAX8808X/Y/Z toc04
V
IN
(V)
CHARGE CURRENT (mA)
12106 842
100
200
300
400
500
600
700
800
900
1000
0
014
CHARGE CURRENT
vs. INPUT VOLTAGE HEADROOM
MAX8808X/Y/Z toc05
(V
IN
- V
BAT
) (mV)
CHARGE CURRENT (mA)
450400300 350100 150 200 25050
100
200
300
400
500
600
700
800
900
1000
0
0500
BATTERY REGULATION VOLTAGE
vs. AMBIENT TEMPERATURE
MAX8808X/Y/Z toc06
T
A
(°C)
BATTERY REGULATION VOLTAGE (V)
603510-15
4.160
4.170
4.180
4.190
4.200
4.210
4.220
4.230
4.240
4.150
-40 85
CHARGE CURRENT
vs. AMBIENT TEMPERATURE
MAX8808X/Y/Z toc07
T
A
(°C)
CHARGE CURRENT (mA)
6035-15 10
250
300
350
400
500
450
550
600
200
-40 85
V
BATT
= 4V
V
BATT
= 3.2V