低电阻p沟道开关,为系统和USB提供可调节的、精确的限流保护
The MAX891L/MAX892L smart, low-voltage, P-channel, MOSFET power switches are intended for high-side load-switching applications. These switches operate with inputs from 2.7V to 5.5V, making them 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 temperatures. The MAX891L/MAX892L's maximum current limits are 500mA and 250mA, respectively. The current limit through the switch is programmed with a resistor from SET to ground. When the switch is on, the quiescent supply current is a low 13µA. When the switch is off, the quiescent current decreases to 0.1µA. The MAX891L/MAX892L are available in 8-pin µMAX® packages.
语言 | 下载文件 | 备注 |
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英文 | MAX891L-MAX892L.pdf | Rev 0; 06/1997 |
Part Number | Power Switches | Current Limit (mA) | Current Limit (mA) | Fault Indicator | Current Limit Accuracy (%) | Current Limit Set By | Lowest Adj. Setting (A) | RON (Ω) | VSUPPLY (V) | VSUPPLY (V) | Oper. Temp. (°C) | Package/Pins | Budgetary Price |
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min | max | typ | min | max | See Notes | ||||||||
MAX891L | 1 | 500 | 500 | Yes | 15 | Resistor | 0.1 | 0.12 | 2.7 | 5.5 | -40 to +85 | µMAX/8 | $1.47 @1k |
MAX892L | 250 | 250 | 0.05 | 0.25 | µMAX/8 | ||||||||
型号 | 状况 | 推荐替代产品 | 封装 | 温度 | RoHS/无铅 |
---|---|---|---|---|---|
MAX892LC/D | 停止供货 | DICE SALES,;NA引脚;DICE; | 0°C至+70°C | 参考数据资料 | |
MAX892LEUA | 停止供货 | MAX892LEUA+ | µMAX,;8引脚;15.6mm² | -40°C至+85°C | RoHS/无铅:否 |
MAX892LEUA+ | 生产中 | µMAX,;8引脚;15.6mm² | -40°C至+85°C | RoHS/无铅:无铅 | |
MAX892LEUA+T | 生产中 | µMAX,;8引脚;15.6mm² | -40°C至+85°C | RoHS/无铅:无铅 | |
MAX892LEUA-T | 停止供货 | MAX892LEUA+T | µMAX,;8引脚;15.6mm² | -40°C至+85°C | RoHS/无铅:否 |