LM2596-3.3 (IL2596-3.3) 3A 3.3V Fixed Voltage Regulator SMD IC TO-263-5L Package

LM2596-3.3 (IL2596-3.3) 3A 3.3V Fixed Voltage Regulator SMD IC TO-263-5L Package 

The LM2596-3.3 (also known as IL2596-3.3) is a high-efficiency step-down (buck) switching voltage regulator designed to provide a fixed 3.3V output with up to 3A output current. Using switching regulation technology, it offers much higher efficiency than linear regulators, significantly reducing power dissipation and heat generation.

This IC integrates the switching transistor, oscillator, control circuitry, and protection features into a single package, requiring only a few external components to build a complete DC-DC converter. It is housed in a TO-263-5L (D²PAK) surface-mount package, providing excellent thermal performance for compact, high-current designs.

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Applications

• DC-DC step-down (buck) converters
• 3.3V regulated power supplies
• Embedded systems and microcontroller power supplies
• IoT devices and communication modules
• Industrial control systems
• Automotive electronics
• Battery-powered equipment
• Distributed power systems

Features

• Output Voltage: Fixed 3.3V
• Output Current: Up to 3A
• Regulator Type: Step-down (Buck) switching regulator
• High efficiency compared to linear regulators
• Package: TO-263-5L (SMD / D²PAK)
• Requires few external components
• Built-in current limiting and thermal shutdown protection
• Wide input voltage range
• Good line and load regulation
• High reliability and stable operation

LM2596 IC Datasheet