MAX893L - 1.2A、限流型、高边P沟道开关，带有热关断

MAX893L是Maxim美信半导体公司的一款USB产品产品，MAX893L是1.2A、限流型、高边P沟道开关，带有热关断，本站介绍了MAX893L的封装应用图解、特点和优点、功能等，并给出了与MAX893L相关的Maxim元器件型号供参考。

MAX893L - 1.2A、限流型、高边P沟道开关，带有热关断 - USB产品 - 1.2A限流、高边p沟道开关，具有热关断功能 - 美信半导体

产品概述

The MAX893L smart, low-voltage, P-channel, MOSFET power switch is intended for high-side load-switching applications. This switch operates with inputs from +2.7V to +5.5V, making it ideal for both +3V and +5V systems. Internal current-limiting circuitry protects the input supply against overload. Thermal overload protection limits power dissipation and junction temperature.

The MAX893L's maximum programmed current limit is 1.2A. The typical short-circuit current is 1.5 times the programmed current; therefore, a 1.2A programmed limit will result in a 1.8A short-circuit current limit. The current limit through the switch is programmed with a resistor from SET to ground. The quiescent supply current is a low 13µA. When the switch is off, the supply current decreases to 0.1µA.

The MAX893L is available in an 8-pin SO package.

关键特性

以下关键特性由Maxim美信半导体提供：

+2.7V to +5.5V Input Range

Programmable Current Limit

0.2A to 1.2A Range

±20% Accuracy

1.2A Continuous Load Current

1.8A Short-Circuit Current

Low Quiescent Current

13µA at VIN = 3.3V

0.1µA with Switch Off

Thermal Shutdown

Active-low FAULT Indicator Output

0.07Ω On-Resistance

热门应用

接入总线插槽

PCMCIA槽

便携式设备

USB集线器

USB端口

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