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MC33566 - Smart Voltage Regulator

General Description

Auxiliary input.

Typical voltage 3.3 V.

This is the input supply for the IC.

Key Features

  • Output Current up to 0.4 A.
  • Excellent Line and Load Regulation.
  • Low Dropout Voltage.
  • Prevents Reverse Current Flow During Sleep Mode.
  • Glitch.
  • Free Transfer from Sleep Mode to Active Mode.
  • Compatible with Instantly Available PC Systems +3.3 Vaux Compensation & Hysteresis Hyst sw Comp Driver Drive out External P.
  • channel MOSFET Ref & Detect Vref 5V detect +3.3 Vout http://onsemi. com.

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Datasheet Details

Part number MC33566
Manufacturer onsemi
File Size 202.99 KB
Description Smart Voltage Regulator
Datasheet download datasheet MC33566 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MC33566 Smart Voltage Regulator for Peripheral Card Applications The MC33566 Low Dropout Regulator is designed for computer peripheral card applications complying with the instantly available requirements as specified by ACPI objectives. The MC33566 permits glitch−free transitions from “sleep” to “active” system modes and has internal logic circuitry to detect whether the system is being powered from the motherboard main 5.0 V power supply or the 3.3 V aux supply. The MC33566 provides a regulated output voltage of 3.3 V via either an internal low dropout 5.0 V−to−3.3 V voltage regulator or an external P−channel MOSFET, depending on the operating status of the system in which the card is installed. During normal operating mode (5.0 V main supply available) the 3.