参数资料
型号: LTC4080EMSE#TRPBF
厂商: Linear Technology
文件页数: 5/20页
文件大小: 0K
描述: IC CHARGER LI-ION 10-MSOP
标准包装: 2,500
功能: 充电管理
电池化学: 锂离子(Li-Ion)
电源电压: 3.75 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)裸露焊盘
供应商设备封装: 10-MSOP 裸露焊盘
包装: 带卷 (TR)
LTC4080
TYPICAL PERFORMANCE CHARACTERISTICS
(T A = 25°C, V CC = 5V, V BAT = 3.8V, unless otherwise speci?ed)
Battery Regulation (Float) Voltage
vs Charge Current
Battery Regulation (Float) Voltage
vs Temperature
Charge Current
vs Battery Voltage
4.21
4.20
4.19
R PROG = 2k
4.210
4.205
4.200
4.195
250
200
R PROG = 2k
V BAT RISING
4.18
4.17
4.16
4.15
4.14
4.190
4.185
4.180
4.175
4.170
4.165
150
100
50
TRICKLE CHARGE
4.13
0
50
100
150
200
250
4.160
– 50 – 30
– 10
10
30
50
70
90
0
0
1
2
3
4
5
CHARGE CURRENT (mA)
4080 G01
TEMPERATURE ( ° C)
4080 G02
BATTERY VOLTAGE (V)
4080 G02a
Charge Current vs Temperature
Battery Regulation (Float) Voltage
vs Supply Voltage
with Thermal Regulation
(Constant-Current Mode)
PROG Pin Voltage
vs Charge Current
4.25
4.20
4.15
4.10
4.05
4.00
250
200
150
100
V CC = 6V
V BAT = 3V
R PROG = 2k
THERMAL CONTROL
LOOP IN OPERATION
1.0
0.8
0.6
0.4
R PROG = 2k
3.95
3.90
50
0.2
3.85
4
4.5
5
5.5
6
0
–50
–25
0
25
50
75
100
125
0
0
25
50
75
100 125 150 175 200
INPUT VOLTAGE (V)
Charger FET On-Resistance
vs Temperature
4080 G03
TEMPERATURE ( ° C)
? E ? N ? _ ? C ? H ? R ? G, EN_BUCK and
MODE Pin Threshold Voltage
vs Temperature
4080 G04
CHARGE CURRENT (mA)
? E ? N ? _ ? C ? H ? R ? G Pin Pulldown
Resistance vs Temperature
4080 G05
0.9
V CC = 4V
0.8 I BAT = 350mA
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
0.55
RISING
FALLING
1.7
1.6
1.5
1.4
1.3
1.2
1.1
0
– 50 – 30
–10
10
30
50
70
90
0.50
–50
–30
–10
10
30
50
70
90
1.0
–50
–30
–10
10
30
50
70
90
TEMPERATURE ( ° C)
4080 G06
TEMPERATURE ( ° C)
4080 G07
TEMPERATURE ( ° C)
4080 G08
4080fb
5
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