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MAX891LEUA

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    相关型号 MAX823TEUKT MAX823TEUK-T MAX831CWE MAX872CSA MAX907ESA MAX913ESA MAX924ESE MAX931ESA
Description
 

 

 

 

 

 

 

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.

Key Features   Applications
  • Ultra-Small µMAX Package-Only 1.11mm High
  • 2.7V to 5.5V Input Range
  • Programmable Current Limit
  • Low 13µA Quiescent Current at VIN = 3.3V, 0.1µA Switch Off
  • Thermal Shutdown
  • FAULT-bar Indicator Output
  • On-Resistances:
    • 0.12 (MAX891L)
    • 0.25 (MAX892L)

 
  • Access Bus Slots
  • PCMCIA Slots
  • Portable Equipment

    Key Specifications:   USB and Power Switches
    Part Number Functions Number of Switches Max. Load Current (A) Typ. RON (Ohms) Fault Indicator Operating Temp. Range (°C) Package Switch Op. Voltage Range (V) RoHS Available Price
    MAX891L 
    150mW/0.5A
    1 0.5 0.12 Yes -40 to +85 8/uMAX 2.7 to 5.5 Yes $1.32 @ 1k
    MAX892L 
    300mW/0.25A
    0.25 0.25 8/uMAX $1.32 @ 1k

    Notes and Comments
  • 150m/0.5A (MAX891L)
  • 300m/0.25A (MAX892L)

    Links to More Information   Didn't Find What You Need?
  • Samples and Ordering (versions, part numbers): MAX891L MAX892L
  • Complete Data Sheet: (PDF, 120kB: Download or E-Mail)
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    Diagram
    MAX891L, MAX892L: Typical Operating Circuit


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