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参数资料
| 型号： | FPF2300MPX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 13/19页 |
| 文件大小： | 0K |
| 描述： | IC LOAD SW 2CH RESTART 8-MLP |
| 标准包装： | 1 |
| 系列： | IntelliMax™ |
| 类型： | 高端开关 |
| 输出数： | 2 |
| Rds（开）： | 140 毫欧 |
| 内部开关： | 是 |
| 电流限制： | 1.3A |
| 输入电压： | 1.8 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-MLP |
| 供应商设备封装： | 8-MLP（3x3） |
| 包装： | 标准包装 |
| 其它名称： | FPF2300MPXDKR |
Application Information
10K Ω
10K Ω
33 μ F
Downstream
USB Port
Host
5V
IN
FLAGB(A)
FLAGB(B)
FPF2300/2/3
33 μ F
Downstream
USB Port
1 μ F
OFF ON
ONA
OUTA
OFF ON
ONB
GND
OUTB
33 μ F
Downstream
USB Port
Downstream
33 μ F
Figure 38. Self Powered 4-Port USB Hub Using a Single FPF230X
USB Port
FPF230X is designed to simplify USB port power design based
on self-powering USB host/hub applications. A self-powering
USB port is powered by a local 5V power supply, not by an
upstream port. Each port should supply at least 500mA to each
downstream function based on USB 2.0 specification. Imple-
capability per port required in actual power designs. FPF230X
has 1.1A minimum current limit per output, which can cover two
ports, as shown in Figure 38. Four USB ports can be imple-
mented with a single FPF230X part and current limiting is pro-
vided based on a two-port basis for a cost-effective solution.
mentation can depend on the number of USB ports and current
10K Ω
10K Ω
Host
5V
IN
FLAGB(A)
FLAGB(B)
FPF2300/2/3
33 μ F
Downstream
USB Port
1 μ F
OFF ON
ONA
OUTA
OFF ON
ONB
GND
OUTB
33 μ F
Downstream
USB Port
10K Ω
10K Ω
IN
FLAGB(A)
FLAGB(B)
FPF2300/2/3
33 μ F
Downstream
USB Port
1 μ F
OFF ON
ONA
OUTA
OFF ON
ONB
GND
OUTB
33 μ F
Downstream
USB Port
Figure 39. Individual Port Power Management for Self-Powered 4-Port USB Hub
In Figure 39, each USB port is connected with each output.
Four USB ports can be implemented with two FPF230X parts.
Current limiting and control are provided based on a single port.
? 2009 Fairchild Semiconductor Corporation
FPF2300/02/03 ? Rev. 1.1.3
Current capability per port has more headroom; up to a mini-
mum of 1.1A per port.
www.fairchildsemi.com
13
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相关代理商/技术参数 |
参数描述 |
|---|---|
| FPF2300MX | 功能描述:电源开关 IC - 配电 Int. Load Switch w/ 1.3A Typ Curr Limit RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
| FPF2302 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Dual-Output Current Limit Switch |
| FPF2302MPX | 功能描述:电源开关 IC - 配电 Int. Load Switch w/ 1.3A Typ Curr Limit RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
| FPF2302MX | 功能描述:电源开关 IC - 配电 Int. Load Switch w/ 1.3A Typ Curr Limit RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
| FPF2303 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Dual-Output Current Limit Switch |
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