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AH266 - HIGH VOLTAGE HALL EFFECT LATCH

General Description

AH266 is an integrated Hall sensor with output drivers designed for electronic commutation of brush-less DC motor applications.

Key Features

  • On-Chip Hall Plate.
  • Operating Voltage: 4V to 28V.
  • Output Current: 400mA (Continuous, +25°C).
  • Reverse Protection Diode Only for Chip Reverse Power Connecting (Note 1).
  • Output Protection Zener Breakdown VZ = 62V (Typ. ).
  • Lead Free package: SIP-4.
  • SIP-4: Available in “Green” Molding Compound (No Br, Sb).
  • RoHS Compliant (Note 2).
  • Lead-Free Finish; RoHS Compliant (Notes 1 & 2).
  • Halogen and Antimony Free. “Green” Device (Note 3).

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Full PDF Text Transcription (Reference)

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  Green AH266 HIGH VOLTAGE HALL EFFECT LATCH Description AH266 is an integrated Hall sensor with output drivers designed for electronic commutation of brush-less DC motor applications. The device includes an on-chip Hall voltage generator for magnetic sensing, a comparator that amplifies the Hall voltage, a Schmitt trigger to provide switching hysteresis for noise rejection, and complementary Darlington open-collector drivers for sinking large current loads. An internal band-gap regulator is used to provide temperature compensated supply voltage for internal circuits and allows a wide operating supply range. If a magnetic flux density (B) is larger than operation point (Bop), DO will turn on (low) and DOB will turn off (high).