参数资料
型号: LTC4055EUF#TRPBF
厂商: Linear Technology
文件页数: 5/24页
文件大小: 0K
描述: IC USB PWR MNGR BATT CHRGR 16QFN
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: 4.35 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-WQFN 裸露焊盘
供应商设备封装: 16-QFN(4x4)
包装: 带卷 (TR)
LTC4055/LTC4055-1
TYPICAL PERFORMANCE CHARACTERISTICS
Battery Drain Current
Input Supply Current
vs Temperature
Input Supply Current
vs Temperature (Suspend Mode)
vs Temperature
(BAT Powers OUT, No Load)
900
800
700
V IN = 5V
V BAT = 4.2V
R PROG = R CLPROG = 100k
60
50
V IN = 5V
V BAT = 4.2V
R PROG = R CLPROG = 100k
SUSP = 5V
70
60
V IN = 0V
V BAT = 4.2V
600
500
400
300
200
100
40
30
20
10
50
40
30
20
10
0
–50
–25
0
25
50
75
100
0
–50
–25
0 25 50
75
100
0
–50
–25
0
25
50
75
100
TEMPERATURE (°C)
Input Current Limit
vs Temperature, HPWR = 5V
4055 G01
TEMPERATURE (°C)
Input Current Limit
vs Temperature, HPWR = 0V
4055 G02
TEMPERATURE (°C)
R ON vs Temperature
4055 G03
515
505
V IN = 5V
V BAT = 3.5V
R PROG = R CLPROG = 100k
105.0
102.5
V IN = 5V
V BAT = 3.5V
R PROG = R CLPROG = 100k
250
225
I LOAD = 400mA
V IN = 5V
495
485
100.0
97.5
95.0
200
175
150
V IN = 4.5V
V IN = 5.5V
475
92.5
125
465
–50
–25
0
25
50
75
100
125
90.0
–50 –25
0
25
50
75
100
125
100
–50 –25
0
25
50
75
100
125
TEMPERATURE (°C)
4055 G04
PROG Pin Voltage vs Temperature
TEMPERATURE (°C)
CLPROG Pin Voltage
vs Temperature
4055 G05
TEMPERATURE (°C)
4055 G06
Battery Regulated Output (Float)
Voltage vs Temperature
1.020
1.015
V IN = 5V
R PROG = 100k
1.020
1.015
V IN = 5V
R CLPROG = 100k
4.3
V IN = 5V
1.010
1.005
1.000
1.010
1.005
1.000
4.2
LTC4055
0.995
0.990
0.985
0.995
0.990
0.985
4.1
LTC4055-1
0.980
–50
–25
0
25
50
75
100
0.980
–50
–25
0
25
50
75
100
4.0
–50
–25
0
25
50
75
100
TEMPERATURE (°C)
4055 G07
TEMPERATURE (°C)
4055 G08
TEMPERATURE ( C)
4055 G09
4055fb
5
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