LM2576HVS-12 (TO-263-5) Buck (Step Down) Switching Voltage Regulator
LM2576HVS-12 (TO-263-5) Buck (Step Down) Switching Voltage Regulator
LM2576HVS-12 Buck Switching Voltage Regulator – 12V Step-Down Power Converter
The LM2576HVS-12 is a high-efficiency buck (step-down) switching voltage regulator designed for embedded systems, industrial electronics, communication devices, automation systems, and power supply applications. Capable of delivering up to 3A load current with excellent line and load regulation, this regulator provides an efficient alternative to traditional linear regulators while reducing heat dissipation and heatsink requirements.
Why it’s a System Essential:
• High-Efficiency Step-Down Conversion: Converts higher DC voltages efficiently to stable 12V output.
• High Output Current Capability: Supports loads up to 3A for medium-to-high power applications.
• Reduced Heat Dissipation: More efficient than linear regulators, reducing or eliminating heatsink requirements.
• Minimal External Components Required: Simplifies switching power supply circuit design.
• Excellent Voltage Regulation: Provides stable output under varying input and load conditions.
• Fixed-Frequency Switching Operation: Includes internal oscillator and frequency compensation for reliable performance.
• Simplified SMPS Design: Compatible with standard inductors optimized for switch-mode power supplies.
Technical Specifications:
• Part Number: LM2576HVS-12
• Device Type: Buck (Step-Down) Switching Voltage Regulator
• Output Voltage: Fixed 12V
• 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
• Minimal External Component Count
• Simplified SMPS Implementation
Features:
• High-current step-down conversion
• Efficient switching power regulation
• Compact high-power regulator solution
• Reduced thermal dissipation
• Stable fixed 12V output
• Reliable industrial-grade performance
Applications:
• Switching power supplies
• Embedded systems
• Industrial automation electronics
• Communication equipment
• Battery-powered systems
• DC power conversion 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, industrial electronics, automation projects, battery-powered devices, and high-efficiency DC-DC conversion applications requiring stable 12V step-down regulation with high current capability.
Specifications
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