LM2596S 3.3V Fixed Step Down Switching Regulator IC TO263-5

The LM2596S 3.3V Fixed Step Down Switching Regulator IC TO263-5 is a high-performance, monolithic step-down (buck) switching regulator IC designed to efficiently convert higher input voltages to a stable 3.3V output. With its integrated power MOSFET and built-in protection features, LM2596S 3.3V IC is an ideal power solution for microcontrollers, IoT devices, 3.3V sensors, and low-voltage digital systems.

Features:

• Fixed 3.3V Output – No external voltage setting required
• High Efficiency – Up to 90%, much better than linear regulators
• Input Voltage Range – 7V to 40V
• Output Current – Up to 3A continuous
• Low Ripple & Noise – Smooth 3.3V output ideal for sensitive electronics
• Integrated Thermal Shutdown & Current Limit Protection
• Standard TO-263-5 (D2PAK) SMD Package – Easy heat dissipation
• Switching Frequency – 150 kHz for compact design and low component count

Specifications:

• Model: LM2596S-3.3
• Make: OCIC
• Output Voltage: Fixed 3.3V
• Input Voltage: 7V to 40V DC
• Output Current: Max 3A
• Efficiency: Up to 90%
• Switching Frequency: 150 kHz
• Protection Features: Thermal Shutdown, Overcurrent, Short-Circuit
• Package: TO-263-5
• Operating Temperature: -40°C to +125°C

Applications:

• 3.3V power supply for Arduino Due, ESP32, STM32
• Step-down power regulation for IoT modules and Wi-Fi chips
• Embedded systems using low-voltage microcontrollers
• DIY electronics projects requiring 3.3V logic level
• Industrial control circuits and automotive electronics
• Sensor modules and digital communication devices

Package Includes:

• 1 x LM2596 3.3V IC TO-263