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LM2675 Datasheet 1-a Step-down Voltage Regulator

Manufacturer: Texas Instruments

Overview: LM2675 SNVS129G – MAY 2004 – REVISED JUNE 2025 LM2675 SIMPLE SWITCHER® Power Converter, High-Efficiency, 1A, Step-Down Voltage Regulator.

General Description

The LM2675 series of regulators are monolithic integrated DC-DC converter circuits built with a LMDMOS process.

These regulators provide all the active functions for a step-down (buck) switching regulator, capable of driving a 1A load current with excellent line and load regulation.

These devices are available in fixed output voltages of 3.3V, 5V, 12V, and an adjustable output version.

Key Features

  • Efficiency up to 96%.
  • Available in 8-pin SOIC, PDIP, and 16-pin WSON package.
  • Requires only 5 external components.
  • 3.3V, 5V, 12V, and adjustable output versions.
  • 1.21V to 37V adjustable version output voltage range.
  • ±1.5% maximum output voltage tolerance over line and load conditions.
  • Specified 1A output load current.
  • 8V to 40V wide input voltage range.
  • 260kHz fixed frequency internal oscillator.
  • TTL shutd.

LM2675 Distributor