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LM2574 Datasheet PDF

Part Series:LM2574 Series
Description:Buck Regulator, Switching, Adjustable Output Voltage, 0.5A
Document:LM2574N-ADJG Datasheet PDF (50 Pages)

LM2574 Datasheet PDF

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Conv DC-DC 4V to 60V Step Down Single-Out 1.23V to 57V 0.5A 8Pin PDIP Tube
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Conv DC-DC 4V to 60V Step Down Single-Out 5V 0.5A 14Pin SOIC W Tube
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Conv DC-DC 4V to 40V Step Down Single-Out 1.23V to 37V 0.5A 8Pin PDIP Tube
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Conv DC-DC 4V to 60V Step Down Single-Out 1.23V to 57V 0.5A 14Pin SOIC W Tube
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Conv DC-DC 4V to 60V Step Down Single-Out 5V 0.5A 8Pin PDIP Tube
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SIMPLE SWITCHER 4V to 40V, 0.5A Step-Down DC-DC Switching Regulator 14-SOIC -40℃ to 125℃
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SIMPLE SWITCHER 4V to 40V, 0.5A Step-Down DC-DC Switching Regulator 8-PDIP -40℃ to 125℃
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Conv DC-DC 4V to 60V Step Down Single-Out 15V 0.5A 14Pin SOIC W Tube
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Conv DC-DC 4V to 60V Step Down Single-Out 1.23V to 57V 0.5A 14Pin SOIC W T/R
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Conv DC-DC 4V to 60V Step Down Single-Out 12V 0.5A 14Pin SOIC W Tube
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Conv DC-DC 4V to 60V Step Down Single-Out 5V 0.5A 14Pin SOIC W T/R
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SIMPLE SWITCHER 4V to 40V, 0.5A Step-Down DC-DC Switching Regulator 14-SOIC -40℃ to 125℃
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Conv DC-DC 4V to 60V Step Down Single-Out 3.3V 0.5A 14Pin SOIC W Tube
34 Pages
ON Semiconductor
Conv DC-DC 4.75V to 40V Step Down Single-Out 5V 0.5A 8Pin PDIP Rail
26 Pages
ON Semiconductor
Conv DC-DC 4.75V to 40V Step Down Single-Out 12V 0.5A 8Pin PDIP Tube
26 Pages
ON Semiconductor
Buck Regulator, Switching, Adjustable Output Voltage, 0.5A

LM2574 - ON Semiconductor Function Overview

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.
Features
• 3.3 V, 5.0 V, 12 V, 15 V, and Adjustable Output Versions
• Adjustable Version Output Voltage Range, 1.23 to 37 V ±4% max over Line and Load Conditions
• Guaranteed 0.5 A Output Current
• Wide Input Voltage Range: 4.75 to 40 V
• Requires Only 4 External Components
• 52 kHz Fixed Frequency Internal Oscillator
• TTL Shutdown Capability, Low Power Standby Mode
• High Efficiency
• Uses Readily Available Standard Inductors
• Thermal Shutdown and Current Limit Protection
• NCV Prefix for Automotive and Other Applications Requiring Site and Control Changes
• Pb−Free Packages are Available
Applications
• Simple and High−Efficiency Step−Down (Buck) Regulators
• Efficient Pre−regulator for Linear Regulators
• On−Card Switching Regulators
• Positive to Negative Converters (Buck−Boost)
• Negative Step−Up Converters
• Power Supply for Battery Chargers
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