CXUS7741 CXUS7742系列电源开关专为USB应用而设计。62mn沟道MOSFET功率开关满足USB规范的压降要求。保护功能包括限流保护、短路保护和过温保护，该装置将输出电流限制在限流阈值水平。当输出电压降到1.5伏以下时，器件将电流限制在较低的安全水平。在短路或过载情况下，过温保护将结温限制在140℃以下。其他功能包括一个脱胶的OCB输出以指示故障情况，以及一个使能输入以启用或禁用设备。
62mΩ高侧MOSFET
电源电压范围：2.7V至5.5V
电流限制和短路保护
过温保护
故障指示输出
启用输入
提供无铅和绿色设备
目录
7.相关产品
产品概述 返回TOP
The CXUS7741 CXUS7742 series of power switches are designed for USB applications. The 62m N-channel MOSFET power switch satisfies the voltage drop requirements of USB specification. The protection features include current-limit protection, short-circuit protection, and over-temperature protection.The device limits the output current at current limit threshold level. When VOUT drops below 1.5V, the devices limit the current to a lower and safe level. The over-temperature protection limits the junction temperature below 140℃in case of short circuit or over load conditions.Other features include a deglitched OCB output to indicate the fault condition and an enable input to enable or disable the device.
产品特点 返回TOP
62mΩ High Side MOSFET
Wide Supply Voltage Range: 2.7V to 5.5V
Current-Limit and Short-Circuit Protections
Over-Temperature Protection
Fault Indication Output
Enable Input
Lead Free and Green Devices Available
应用范围 返回TOP
Notebook and Desktop Computers
USB Ports
High-Side Power Protection Switches
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产品封装图 返回TOP
电路原理图 返回TOP
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| USB Single Power Switches | ||
| Part No. | Package | Description |
| CXUS7737~CXUS7740 | SOT23-5 | USB Power-Distribution Switches |
| CXUS7741~CXUS7742 | SOT23-5 | USB Power-Distribution Switches |
◀ 上一篇:62mΩ高侧MOSFET电流限制短路过温保护CXUS7737 CXUS7738 CXUS7739 CXUS7740输出电流限制在限流阈值水平电源电压2.7V至5.5V
下一篇▶:限流指示功能双通道电源开关CXUS7743两个100mΩ的P型MOSFET功率管每个信通道各有逻辑使能控制信号检测输入电源的功能功率管会维持关断直到电源电压超过欠压阈值范围
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