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

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

The LM2596-ADJ (also known as IL2596-ADJ) is a high-efficiency step-down (buck) switching voltage regulator with an adjustable output voltage, capable of delivering up to 3A output current. It uses switching regulation technology, which provides high efficiency, reducing heat dissipation compared to linear regulators, making it suitable for compact, high-current power supply designs.

This IC integrates the switching transistor, oscillator, control circuitry, and protection features into a single device. With minimal external components, it can implement a complete adjustable DC-DC converter. The TO-263-5L (D²PAK) surface-mount package ensures excellent thermal performance for compact, high-power designs.

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Applications

• Adjustable DC-DC step-down (buck) converters
• Custom voltage regulated power supplies
• Embedded systems and microcontroller power supplies
• Battery-powered devices
• Industrial and automotive electronics
• IoT and communication modules
• Distributed power systems
• Post-regulation for unregulated DC supplies

Features

• Output Voltage: Adjustable (set via external resistor network)
• Output Current: Up to 3A
• Regulator Type: Step-down (Buck) switching regulator
• High efficiency for reduced heat dissipation
• Package: TO-263-5L (SMD / D²PAK)
• Requires minimal external components
• Built-in current limiting and thermal shutdown protection
• Wide input voltage range
• Excellent line and load regulation
• High reliability and stable operation

LM2596 IC Datasheet