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LM2576 - 52kHz Simple 3A Buck Regulator

General Description

The LM2576 series of monolithic integrated circuits provide all the active functions for a step-down (buck) switching regulator.

Fixed versions are available with a 3.3V, 5V, or 12V fixed output.

Adjustable versions have an output voltage range from 1.23V to 37V.

Key Features

  • 3.3V, 5V, 12V, and Adjustable Output Versions.
  • Voltage over Specified Line and Load Conditions: - Fixed Version: ±3% Max. Output Voltage - Adjustable Version: ±2% Max. Feedback Voltage.
  • Specified 3A Output Current.
  • Wide Input Voltage Range of 4V to 40V.
  • Wide Output Voltage Range of 1.23V to 37V.
  • Requires Only Four External Components.
  • 52 kHz Fixed-Frequency Internal Oscillator.
  • Low Power Standby Mode IQ Typically.

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LM2576 52 kHz Simple 3A Buck Regulator Features • 3.3V, 5V, 12V, and Adjustable Output Versions • Voltage over Specified Line and Load Conditions: - Fixed Version: ±3% Max. Output Voltage - Adjustable Version: ±2% Max. Feedback Voltage • Specified 3A Output Current • Wide Input Voltage Range of 4V to 40V • Wide Output Voltage Range of 1.