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LM4576 - Step-Down Switching Regulator

General Description

The LM4576 series of regulators are monolithic integrated circuits that provide all the active functional for a step-down (buck) switching regulator, capable of driving 3A load with excellent line and load regulation.

Key Features

  • 3.3V, 5.0V, 12V, 15V and Adjustable Output Versions.
  • Adjustable Version Output Voltage Range, 1.23V to 37V +/- 4% maximum over line and load conditions.
  • Guaranteed 3A Output Current.
  • Wide Input Voltage Range.
  • Requires Only 4 External Components.
  • 300KHz Fixed Frequency Internal Oscillator.
  • TTL Shutdown Capability, Low Power Standby Mode.
  • Uses Readily Available Standard Inductors.
  • Thermal Shutdown and Current Limit Protection.
  • Moisture Sensitivity.

📥 Download Datasheet

Datasheet Details

Part number LM4576
Manufacturer HTC KOREA
File Size 515.69 KB
Description Step-Down Switching Regulator
Datasheet download datasheet LM4576 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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3A, 300kHz, Step-Down Switching Regulator FEATURES  3.3V, 5.0V, 12V, 15V and Adjustable Output Versions  Adjustable Version Output Voltage Range, 1.23V to 37V +/- 4% maximum over line and load conditions  Guaranteed 3A Output Current  Wide Input Voltage Range  Requires Only 4 External Components  300KHz Fixed Frequency Internal Oscillator  TTL Shutdown Capability, Low Power Standby Mode  Uses Readily Available Standard Inductors  Thermal Shutdown and Current Limit Protection  Moisture Sensitivity Level 3 for SMD packages SOP-8PP PKG TO-220-5L PKG LM4576 TO-263-5L PKG APPLICATION  Simple High-Efficiency Step-Down(Buck) Regulator  On-Card Switching Regulators  Positive to Negative Converter ORDERING INFORMATION Device Marking LM4576DP-X.X LM4576-X.X LM4576R-X.