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LM2574

ON Semiconductor
Part Number LM2574
Manufacturer ON Semiconductor
Description Step-Down Switching Regulator
Published Mar 22, 2005
Detailed Description Regulator, Step-Down Switching, Adjustable Output Voltage, 0.5 A LM2574 The LM2574 series of regulators are monolithic i...
Datasheet PDF File LM2574 PDF File

LM2574
LM2574

Overview
Regulator, Step-Down Switching, Adjustable Output Voltage, 0.
5 A LM2574 The LM2574 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 0.
5 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 optimized for use with the LM2574 are offered by several different inductor manufacturers.
Since the LM2574 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 most cases, the power dissipated by the LM2574 regulator is so low, that the copper traces on the printed c...


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