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A1101LLHLT-T - Allegro Microsystems

Description: Continuous-Time Switch Unipolar Switch

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Symbol
A1101LLHLT-T - Allegro Microsystems - PCB symbol
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PCB Footprints
A1101LLHLT-T - Allegro Microsystems PCB footprint - SOT23 (3-Pin) - SOT23 (3-Pin) - LH, 3-Pin (SOT-23W)_2
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3D Models
A1101LLHLT-T - Allegro Microsystems - 3D model - SOT23 (3-Pin) - LH, 3-Pin (SOT-23W)_2
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A1101LLHLT-T Details

  • Manufacturer Part Number:

    A1101LLHLT-T

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-23

  • Package Description:

    SOT-23, 3 PIN

  • Pin Count:

    3

  • Manufacturer:

    Allegro MicroSystems LLC

  • YTEOL:

    6

  • Additional Feature:

    REVERSE BATTERY PROTECTION

  • Body Breadth:

    1.91 mm

  • Body Height:

    0.95 mm

  • Body Length or Diameter:

    2.98 mm

  • Housing:

    PLASTIC

  • Hysteresis:

    5.5 mT

  • Magnetic Field Range-Max:

    17.5 mT

  • Magnetic Field Range-Min:

    1 mT

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    3

  • Operating Current-Max:

    7.5 mA

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output:

    OPEN-DRAIN

  • Output Circuit Type:

    OPEN-DRAIN

  • Output Range:

    400mV

  • Output Type:

    VOLTAGE OUTPUT

  • Package Equivalence Code:

    TO-236

  • Package Shape/Style:

    RECTANGULAR

  • Screening Level:

    AEC-Q100

  • Sensors/Transducers Type:

    MAGNETIC FIELD SENSOR,HALL EFFECT

  • Supply Voltage-Max:

    24 V

  • Supply Voltage-Min:

    3.8 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Terminal Finish:

    MATTE TIN

  • Termination Type:

    SOLDER

A1101LLHLT-T Frequently Asked Questions (FAQs)

  • A symmetrical layout with a central ground plane and minimal signal trace length is recommended. Allegro provides a reference layout in their application note AN296055.
  • Use a voltage translator or level shifter to ensure the output voltage is compatible with the system's voltage rails. Additionally, consider using a voltage regulator to regulate the output voltage.
  • The maximum allowable current is 20mA per pin, but it's recommended to limit the current to 10mA per pin to ensure reliable operation and minimize power consumption.
  • Use an external current sense resistor and a comparator to monitor the output current. When the current exceeds a set threshold, use a switch or a fuse to disconnect the output.
  • The recommended operating temperature range is -40°C to 150°C, but the device can operate up to 175°C with reduced performance and reliability.

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A1101LLHLT-T Overview

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