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参数资料
| 型号： | LTC4410ES6#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 6/8页 |
| 文件大小： | 0K |
| 描述： | IC POWER MANAGER USB TSOT23-6 |
| 标准包装： | 2,500 |
| 功能： | 电源管理 |
| 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： | SOT-23-6 细型，TSOT-23-6 |
| 供应商设备封装： | TSOT-23-6 |
| 包装： | 带卷 (TR) |
LTC4410
APPLICATIO S I FOR ATIO
USB Power Management and Wall Adapter Power
With the addition of a few components, the LTC4410
allows for simultaneous device operation and battery
charging while connected to USB port or wall adapter. The
LTC4410 will proportionally reduce the battery charge
current to keep the total current within the current rated for
the wall adapter. Figure 1 shows an example of how to
combine the USB power and wall adapter inputs. A
P-channel MOSFET, MP1, is used to prevent back con-
ducting into the USB port when a wall adapter is present.
when there is no wall adapter. The Schottky diode, D1, is
used to prevent USB power loss through R1. If the wall
adapter used has more than 500mA capability, a resistor,
R3, connected in parallel with R2 using N-channel MOSFET
MN1 will increase the charge current when the wall adapter
is present. In this example the battery charge current is
340mA without the wall adapter (see the LTC4053 data
sheet for details on how to program the battery charge
current). When the wall adapter is present, the charge
current is 750mA.
The pull-down resistor, R1, is to assure that MP1 is on
I LOAD
4.35V TO 5.25V
FROM USB
MP1
100mA 500mA
4.7 μ F
MODE
V IN
GND
LTC4410
CHP
V OUT
USBP
4.7 μ F
SYSTEM
POWER SUPPLY
1 ?
R3
4.87k
1%
MN1
R2
3.4k
1%
1M
MP2
D1
OFF ON
SHDN
PROG
BAT
5V WALL ADAPTER
750mA
R1
1k
0.1 μ F
V IN
TIMER
LTC4053
NTC
GND
1-CELL
Li-Ion
4410 F01
Figure 1. USB Power Management and Wall Adapter Power
sn4410 4410fs
6
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| LTC4411ES5 | 制造商:Linear Technology 功能描述:Low Loss Ideal Diode 5-Pin TSOT-23 |
| LTC4411ES5#PBF | 制造商:Linear Technology 功能描述:Low Loss Ideal Diode 5-Pin TSOT-23 制造商:Linear Technology 功能描述:Low Loss Ideal Diode 5-Pin TSOT-23 Bulk |
| LTC4411ES5#TR | 功能描述:IC IDEAL DIODE LOW LOSS TSOT23-5 RoHS:否 类别:集成电路 (IC) >> PMIC - O 圈控制器 系列:- 标准包装:1,000 系列:- 应用:电池备份，工业/汽车，大电流开关 FET 型:- 输出数:5 内部开关:是 延迟时间 - 开启:100ns 延迟时间 - 关闭:- 电源电压:3 V ~ 5.5 V 电流 - 电源:250µA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC N 包装:带卷 (TR) |
| LTC4411ES5#TRM | 功能描述:IC IDEAL DIODE LOW LOSS TSOT23-5 RoHS:否 类别:集成电路 (IC) >> PMIC - O 圈控制器 系列:- 标准包装:1,000 系列:- 应用:电池备份，工业/汽车，大电流开关 FET 型:- 输出数:5 内部开关:是 延迟时间 - 开启:100ns 延迟时间 - 关闭:- 电源电压:3 V ~ 5.5 V 电流 - 电源:250µA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC N 包装:带卷 (TR) |
| LTC4411ES5#TRMPBF | 功能描述:IC IDEAL DIODE LOW LOSS TSOT23-5 RoHS:是 类别:集成电路 (IC) >> PMIC - O 圈控制器 系列:- 标准包装:1,000 系列:- 应用:电池备份，工业/汽车，大电流开关 FET 型:- 输出数:5 内部开关:是 延迟时间 - 开启:100ns 延迟时间 - 关闭:- 电源电压:3 V ~ 5.5 V 电流 - 电源:250µA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC N 包装:带卷 (TR) |
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