参数资料
型号: LTC4081EDD#TRPBF
厂商: Linear Technology
文件页数: 5/24页
文件大小: 0K
描述: IC USB POWER MANAGER 10-DFN
标准包装: 2,500
功能: 电源管理
电池化学: 锂离子(Li-Ion)、锂聚合物(Li-Pol)
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-WFDFN 裸露焊盘
供应商设备封装: 10-DFN(3x3)
包装: 带卷 (TR)
LTC4081
TYPICAL PERFORMANCE CHARACTERISTICS
speci?ed)
(T A = 25°C, V CC = 5V, V BAT = 3.8V, unless otherwise
Battery Regulation (Float) Voltage
vs Charge Current
Battery Regulation (Float) Voltage
vs Temperature
Battery Regulation (Float) Voltage
vs V CC Supply Voltage
4.21
4.20
4.19
4.18
4.17
4.16
R PROG = 2k
4.210
4.205
4.200
4.195
4.190
4.185
4.180
4.25
4.20
4.15
4.10
4.05
4.00
4.175
4.15
4.14
4.170
4.165
3.95
3.90
4.13
0
50
100
150
200
250
4.160
– 50 – 30
– 10
10
30
50
70
90
3.85
4
4.5
5
5.5
6
CHARGE CURRENT (mA)
4081 G01
TEMPERATURE ( ° C)
4081 G02
V CC SUPPLY VOLTAGE (V)
4081 G03
Charge Current vs Temperature
with Thermal Regulation
(Constant-Current Mode)
PROG Pin Voltage
vs Charge Current
Charger FET On-Resistance
vs Temperature
250
200
V CC = 6V
V BAT = 3V
R PROG = 2k
1.0
0.8
R PROG = 2k
0.9
V CC = 4V
0.8 I BAT = 350mA
0.7
0.6
150
THERMAL CONTROL
0.6
0.5
LOOP IN OPERATION
100
50
0.4
0.2
0.4
0.3
0.2
0.1
0
–50
–25
0
25
50
75
100
125
0
0
25
50
75
100 125 150 175 200
0
– 50 – 30
–10
10
30
50
70
90
TEMPERATURE ( ° C)
4081 G04
? E ? N ? _ ? C ? H ? R ? G, EN_BUCK and
CHARGE CURRENT (mA)
4081 G05
TEMPERATURE ( ° C)
4081 G06
0.95
MODE Pin Threshold Voltage
vs Temperature
1.7
? E ? N ? _ ? C ? H ? R ? G Pin Pulldown
Resistance vs Temperature
0.90
RISING
1.6
0.85
1.5
0.80
0.75
0.70
0.65
0.60
0.55
FALLING
1.4
1.3
1.2
1.1
0.50
–50
–30
–10
10
30
50
70
90
1.0
–50
–30
–10
10
30
50
70
90
TEMPERATURE ( ° C)
4081 G07
TEMPERATURE ( ° C)
4081 G08
4081f
5
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LTC4085EDE#PBF 功能描述:IC USB POWER MANAGER 14-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 其它有关文件:STC3100 View All Specifications 特色产品:STC3100 - Battery Monitor IC 标准包装:4,000 系列:- 功能:燃料,电量检测计/监控器 电池化学:锂离子(Li-Ion) 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP,8-MSOP(0.118",3.00mm 宽) 供应商设备封装:8-MiniSO 包装:带卷 (TR) 其它名称:497-10526-2