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参数资料
| 型号： | LTC4081EDD#PBF |
| 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： | 121 |
| 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： | 管件 |
| 产品目录页面： | 1341 (CN2011-ZH PDF) |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC4081EDD-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:500mA Li-Ion Charger with NTC Input and 300mA Synchronous Buck |
| LTC4085 | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Efficiency Battery Charger/USB Power Manager |
| LTC4085-1 | 制造商:LINER 制造商全称:Linear Technology 功能描述:USB Power Manager with Ideal Diode Controller and 4.1V Li-Ion Charger |
| LTC4085-3 | 制造商:LINER 制造商全称:Linear Technology 功能描述:USB Power Manager with Ideal Diode Controller and 3.95V Li-Ion Charger |
| LTC4085EDE | 制造商:Linear Technology 功能描述:USB Power Manager 14-Pin DFN EP |
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