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参数资料
| 型号： | LTC4081EDD#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 7/24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)
No-Load Buck Input Current
(T A = 25°C, V CC = 5V, V BAT = 3.8V, unless otherwise
(Burst Mode Operation)
vs Temperature
Buck Main Switch (PMOS)
On-Resistance vs Battery Voltage
Buck Main Switch (PMOS)
On-Resistance vs Temperature
35
30
25
20
L = 10 μ H
C = 4.7 μ F
V OUT = 1.8V
V BAT = 4.2V
V BAT = 3.8V
V BAT = 2.7V
1.2
1.0
0.8
0.6
1.2
1.0
0.8
0.6
15
10
5
0.4
0.2
0.4
0.2
0
–50 –30
–10
10
30
50
70
90
0
2.5
3.0
3.5
4.0
4.5
5.0
0
–50 –30
–10
10
30
50
70
90
TEMPERATURE (?C)
4081 G18
BATTERY VOLTAGE (V)
4081 G19
TEMPERATURE ( ° C)
4081 G20
1.2
1.0
0.8
0.6
0.4
0.2
Buck Synchronous Switch (NMOS)
On-Resistance vs Battery Voltage
1.2
1.0
0.8
0.6
0.4
0.2
Buck Synchronous Switch (NMOS)
On-Resistance vs Temperature
0
2.5
3.0
3.5
4.0
4.5
5.0
0
–50 –30
–10
10
30
50
70
90
BATTERY VOLTAGE (V)
4081 G21
Maximum Output Current
(PWM Mode) vs Battery Voltage
TEMPERATURE ( ° C)
4081 G22
Maximum Output Current (Burst
Mode Operation) vs Battery Voltage
500
400
L = 10 μ H
V OUT SET FOR 1.8V
80
70
60
L = 10 μ H
V OUT SET FOR 1.8V
50
300
200
40
30
20
10
100
2.7
3
3.3
3.6
3.9
4.2
4.5
0
2.7
3
3.3
3.6
3.9
4.2
4.5
BATTERY VOLTAGE (V)
4081 G23
BATTERY VOLTAGE (V)
4081 G24
4081f
7
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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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