Easy Switcher™ 3.0A Step-Down Voltage 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.
●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
●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
