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参数资料
| 型号： | PI5PD2065TAEX |
| 厂商： | Pericom |
| 文件页数： | 9/13页 |
| 文件大小： | 0K |
| 描述： | IC POWER DIST USB 2.3A 5SOT23 |
| 标准包装： | 1 |
| 类型： | USB 开关 |
| 输出数： | 1 |
| Rds（开）： | 135 毫欧 |
| 内部开关： | 是 |
| 电流限制： | 2.3A |
| 输入电压： | 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： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-23-5 |
| 包装： | 标准包装 |
| 其它名称： | PI5PD2065TAEXDKR |
PI5PD2061/65
70m ? Current-Limited, Power-Distribution Switches
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Functional Block Diagram
Note A: Current sense
Note B: Active low (/EN)for PI5PD2061; Active high(EN) for PI5PD2065
Applications Information
The power switch is an N-channel MOSFET with a low R DS (on) 70m ? resistance. Configured as a high-side switch, the power
switch prevents leakage current flow from output to input when chip disabled. The power switch supplies a maximum continuous
current up to 1.5A.
Power-Supply Considerations
PI5PD2061
POWER SUPPLY
2.7V to 5.5V
IN
OUT
LOAD
0.1 μ F
IN
OUT
0.1 μ F
22 μ F
OUT
/OC
/EN
GND
Figure 1 Typical Application Circuit
A 0.01μF to 1μF ceramic bypass capacitor between IN and GND, close to the device, is recommended. Placing a high-value
electrolytic capacitor on the output pin(s) is recommended when the output load is heavy. This precaution reduces power-supply
transients that may cause ringing on the input. Additionally, bypassing the output with a 0.01μF to 1μF ceramic capacitor
improves the immunity of the device to short-circuit transients.
Enable (/EN or EN)
The enable pin is logic enable & disables the power switch, which is compatible with CMOS and TTL logic levels. The supply
current is reduced to less than 1μA when a logic high is present on /EN, or when a logic low is present on EN. A logic zero input
on /EN, or a logic high input on EN restores the bias to the driver and control circuits and turns the switch on
11-0005
9
PT0316-2
10/18/10
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