LM2576HVS-5 (TO-263-5) Buck (Step Down) Switching Voltage Regulator

LM2576HVS-5 Buck Switching Voltage Regulator – 5V Step-Down Power Converter
The LM2576HVS-5 is a high-efficiency buck (step-down) switching voltage regulator designed for embedded systems, industrial electronics, communication equipment, automation systems, and DC power supply applications. Capable of delivering up to 3A load current with excellent line and load regulation, this regulator provides a reliable and efficient alternative to conventional linear regulators while significantly reducing heat dissipation and heatsink requirements.

Why it’s a System Essential:
• High-Efficiency Buck Conversion: Efficiently converts higher DC input voltages to regulated 5V output.
• High Output Current Capability: Supports up to 3A load current for medium and high-power applications.
• Reduced Heat Dissipation: More efficient than traditional linear regulators, minimizing heatsink requirements.
• Minimal External Components Required: Simplifies switch-mode power supply (SMPS) design.
• Excellent Line & Load Regulation: Maintains stable voltage under varying operating conditions.
• Internal Oscillator & Compensation: Includes fixed-frequency oscillator and internal frequency compensation.
• Simplified Power Supply Design: Compatible with optimized standard inductors for switching applications.

Technical Specifications:
• Part Number: LM2576HVS-5
• Device Type: Buck (Step-Down) Switching Voltage Regulator
• 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 Regulation
• Reduced Heatsink Requirement
• Low External Component Count
• Simplified SMPS Circuit Design

Features:
• High-current step-down conversion
• Efficient switching power regulation
• Stable fixed 5V output
• Compact high-power regulator solution
• Reduced thermal losses
• 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 power supply projects

Best For:
Ideal for students, hobbyists, makers, engineers, and power electronics developers working on switching power supplies, embedded systems, automation projects, industrial electronics, battery-powered devices, and high-efficiency DC-DC conversion applications requiring stable 5V step-down regulation with high current capability.