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LM2575 Datasheet Easy Switchere 1.0 A Step-down Voltage Regulator

Manufacturer: Motorola Semiconductor (now NXP Semiconductors)

Overview: Order this document by LM2575/D LM2575 Advance Information Easy Switcher™ 1.0 A Step-Down Voltage Regulator The LM2575 series of regulators are monolithic integrated circuits ideally suited for easy and convenient design of a step–down switching regulator (buck converter). All circuits of this series are capable of driving a 1.0 A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5.0 V, 12 V, 15 V, and an adjustable output version. These regulators were designed to minimize the number of external components to simplify the power supply design. Standard series of inductors optimised for use with the LM2575 are offered by several different inductor manufacturers. Since the LM2575 converter is a switch–mode power supply, its efficiency is significantly higher in comparison with popular three–terminal linear regulators, especially with higher input voltages. In many cases, the power dissipated by the LM2575 regulator is so low, that no heatsink is required or its size could be reduced dramatically.

This datasheet includes multiple variants, all published together in a single manufacturer document.

Key Features

  • include a guaranteed ±4% tolerance on output voltage within specified input voltages and output load conditions, and ±10% on the oscillator frequency (±2% over 0°C to 125°C). External shutdown is included, featuring 80 µA typical standby current. The output switch includes cycle.
  • by.
  • cycle current limiting, as well as thermal shutdown for full protection under fault conditions. Features EASY.

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Similar Datasheet

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