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LM2576 Application Note

Part Series:LM2576 Series
Category:Voltage Regulators
Description:ON SEMICONDUCTOR LM2576D2T-15G Buck (Step Down) Switching Regulator, Fixed, 7V to 40V in, 15V/3A out, 52kHz, TO-263-5
Document:LM2576HVSX-12 Application Note (19 Pages)

LM2576 Application Note Voltage Regulators

5 Pages
TI
Conv DC-DC 4V to 60V Inv/Step Down Single-Out 1.23V to 57V 3A 6Pin(5+Tab) TO-263 T/R
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TI
LM2576 DC to DC Converter and Switching Regulator Chip 5VDC Output Evaluation Board
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Conv DC-DC 4V to 40V Inv/Step Down Single-Out 12V 3A 6Pin(5+Tab) TO-263
5 Pages
Microchip
Conv DC-DC 4V to 40V Step Down Single-Out 1.23V to 37V 3A 5Pin(5+Tab) TO-220
2 Pages
TI
Conv DC-DC 4V to 60V Inv/Step Down Single-Out 1.23V to 57V 3A 5Pin(5+Tab) TO-220 Tube
2 Pages
TI
Conv DC-DC 4V to 40V Non-Inv/Inv/Step Up/Step Down Single-Out 5V 3A 5Pin(5+Tab) TO-220 Tube
2 Pages
TI
Conv DC-DC 4V to 40V Inv/Step Down Single-Out 12V 3A 5Pin(5+Tab) TO-220 Tube
2 Pages
TI
Conv DC-DC 4V to 60V Inv/Step Down Single-Out 5V 3A 5Pin(5+Tab) TO-220 Rail
2 Pages
TI
Conv DC-DC 4V to 60V Inv/Step Down Single-Out 12V 3A 5Pin(5+Tab) TO-220 Tube
2 Pages
TI
Conv DC-DC 4V to 40V Non-Inv/Inv/Step Up/Step Down Single-Out 5V 3A 5Pin(5+Tab) TO-220 Tube
2 Pages
TI
Conv DC-DC 4V to 60V Inv/Step Down Single-Out 15V 3A 5Pin(5+Tab) TO-220 Rail
2 Pages
TI
Conv DC-DC 4V to 40V Inv/Step Down Single-Out 15V 3A 5Pin(5+Tab) TO-220
2 Pages
TI
Conv DC-DC 4V to 60V Inv/Step Down Single-Out 5V 3A 5Pin(5+Tab) TO-220 Rail
2 Pages
TI
Conv DC-DC 4V to 40V Inv/Step Down Single-Out 1.23V to 37V 3A 5Pin(5+Tab) TO-220 Tube
2 Pages
TI
Conv DC-DC 4V to 40V Inv/Step Down Single-Out 3.3V 3A 5Pin(5+Tab) TO-220

LM2576D2T-15G - ON Semiconductor Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
5 Pin
Case/Package
TO-263-6
Halogen Free Status
Halogen Free
Number of Outputs
1 Output
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LM2576D2T-15G - ON Semiconductor Function Overview

3.0 A, 15 V, Step−Down Switching Regulator
The LM2576 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 3.0 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 optimized for use with the LM2576 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% Maximum Over Line and Load Conditions
•Guaranteed 3.0 A Output Current
•Wide Input Voltage Range
•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
•Moisture Sensitivity Level (MSL) Equals 1
•Pb−Free Packages are Available
Applications
•Simple High−Efficiency Step−Down (Buck) Regulator
•Efficient Pre−Regulator for Linear Regulators
•On−Card Switching Regulators
•Positive to Negative Converter (Buck−Boost)
•Negative Step−Up Converters
•Power Supply for Battery Chargers
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