MAX8900C データシートの表示（PDF） - Maxim Integrated
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MAX8900C
Maxim Integrated
MAX8900C Datasheet PDF : 35 Pages
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MAX8900A/MAX8900B/MAX8900C
1.2A Switch-Mode Li+ Chargers with ±22V Input
Rating and JEITA Battery Temperature Monitoring
Typical Operating Characteristics (continued)
(Circuit of Figure 1, VIN = 6V, VBAT = 3.6V, TA = +25NC, unless otherwise noted.)
EFFICIENCY vs. INPUT VOLTAGE
(CONSTANT-CURRENT MODE)
90
IBAT = 1200mA, RSETI = 2.87kI
88
86
VBAT = 4.0V
84
EFFICIENCY vs. CHARGE CURRENT
(CONSTANT-VOLTAGE MODE)
100
VIN = 5V, VBAT = 4.2V
95
90
BATTERY + LX LEAKAGE CURRENT
vs. INPUT VOLTAGE
1000
CEN = 1
VBAT = 4.0V
VBAT = 3.2V
82
VBAT = 3.6V
80
78
76
VBAT = 3.0V
74
5
6
7
8
9
10
VIN (V)
85
80
75
70
0
100
500
1000
IBAT (A)
10
1500
0
1
2
3
4
5
INPUT VOLTAGE (V)
BATTERY + LX LEAKAGE CURRENT
vs. BATTERY VOLTAGE
50
45
IN UNCONNECTED
STAT INDICATOR CURRENT
40 NOT INCLUDED
35
30
25
20
15
10
5
0
0
1
2
3
4
5
6
BATTERY VOLTAGE (V)
BATTERY + LX LEAKAGE CURRENT
vs. AMBIENT TEMPERATURE
60
IN UNCONNECTED
50
STAT INDICATOR CURRENT
NOT INCLUDED
40
30
20
10
0
-40 -15 10
35
60
85
TEMPERATURE (°C)
AVL VOLTAGE vs. INPUT VOLTAGE
6
5
VOVLO
4
3
2
MAX8900x
VOVLO = 28V
VCEN = 0V
1
VBAT = 3.6V
RSETI = 2.87kI
0
0 5 10 15 20 25 30
VIN (V)
MAX8900_ CHARGE PROFILE
(CONSTANT-CURRENT TO DONE MODES)
4.3
1.4 MAX8900A toc29
MAX8900_ CHARGE PROFILE
(CHARGER RESTART)
4.3
1.4 MAX8900A toc30
4.2
CC
CV
DONE 1.2
4.2
DONE
CV DONE 1.2
4.1
VBAT
1.0
4.1
4.0
0.8
4.0
1.0
VBAT
0.8
3.9 VIN = 5V
RSETI = 4.02kI
3.8 RDNI = 3.57kI
IBAT
CCT = 0.47µF
3.7 1300mAh BATTERY
IIN
3.6
500 2500 4500 6500 8500
TIME (s)
0.6
0.4
0.2
0
10,500
Maxim Integrated
3.9
3.8
3.7
3.6
0
VIN = 5V
RSETI = 4.02kI
RDNI = 3.57kI
IBAT
CCT = 0.47µF
1300mAh BATTERY
IIN
2000 4000 6000 8000
TIME (s)
0.6
0.4
0.2
0
10,000
11
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