LM2576HVS-5-ADJ (TO-263-5) Buck (Step Down) Switching Voltage Regulator
LM2576HVS-5-ADJ (TO-263-5) Buck (Step Down) Switching Voltage Regulator
LM2576HVS-5 Buck Switching Voltage Regulator – High-Efficiency 5V Step-Down Converter
The LM2576HVS-5 is a high-efficiency buck (step-down) switching voltage regulator IC designed for embedded systems, industrial electronics, communication equipment, automation systems, and DC power conversion applications. Capable of delivering up to 3A load current with excellent line and load regulation, the LM2576HVS-5 provides an efficient replacement for traditional three-terminal linear regulators while significantly reducing heat generation and heatsink requirements.
Why it’s a System Essential:
• Efficient Step-Down Power Conversion: Converts higher DC voltages to stable 5V output with high efficiency.
• High Output Current Capability: Supports up to 3A load current for medium and high-power applications.
• Reduced Heat Dissipation: Switching regulator design minimizes power loss compared to linear regulators.
• Minimal External Components: Simplifies power supply circuit implementation.
• Excellent Voltage Regulation: Maintains stable output under varying input voltage and load conditions.
• Integrated Oscillator & Compensation: Includes internal fixed-frequency oscillator and frequency compensation.
• Simplified SMPS Design: Compatible with readily available optimized inductors for switching supplies.
Technical Specifications:
• Part Number: LM2576HVS-5
• Device Type: Buck (Step-Down) Switching Voltage Regulator IC
• Output Voltage: Fixed 5V
• Maximum Output Current: 3A
Package Information:
• Package Type: TO-263-5
Integrated Features:
• Internal Frequency Compensation
• Fixed-Frequency Oscillator
• Excellent Line Regulation
• Excellent Load Regulation
Design Advantages:
• High-Efficiency Switching Operation
• Reduced or No Heatsink Requirement
• Low External Component Count
• Simplified Switch-Mode Power Supply Design
Features:
• High-current DC-DC step-down conversion
• Efficient switching voltage regulation
• Stable fixed 5V output
• Compact high-power regulator design
• Reduced thermal dissipation
• Reliable industrial-grade performance
Applications:
• Switching power supplies
• Embedded systems
• Industrial automation electronics
• Communication devices
• Battery-powered systems
• DC-DC converter circuits
• Motor control electronics
• Instrumentation systems
• DIY electronics power projects
Best For:
Ideal for students, hobbyists, makers, engineers, and power electronics developers working on switching power supplies, embedded systems, industrial automation, battery-operated devices, communication electronics, and high-efficiency DC-DC conversion applications requiring reliable 5V step-down voltage regulation with high current capability.
Specifications
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