TEXAS INSTRUMENTS LM2576T-ADJ Step Down Regulator, 3A, TO-220

The TEXAS INSTRUMENTS LM2576T-ADJ is a monolithic integrated circuit that provides all the active functions for a step-down (buck) switching regulator. Capable of driving a 3A load with excellent line and load regulation, it is a highly efficient solution for a wide range of power supply applications.

This adjustable version offers an output voltage range from 1.23V to 37V (±4% maximum over line and load conditions), making it versatile for various voltage requirements. It features a 52kHz fixed-frequency internal oscillator, ensuring stable and predictable operation. The device also includes TTL-shutdown capability, enabling a low-power standby mode for energy-saving applications.

Key Features

• Adjustable output voltage range: 1.23V to 37V (±4% max)
• Specified 3A output current
• 52kHz fixed-frequency internal oscillator
• TTL-shutdown capability, low-power standby mode
• High efficiency
• Input voltage range: 4V to 40V
• TO-220 package with 5 pins

Specifications

• Output Type: Adjustable
• No. of Outputs: 1
• Topology: Buck (Step Down)
• Input Voltage Min: 4V
• Input Voltage Max: 40V
• Output Current: 3A
• IC Case / Package: TO-220
• No. of Pins: 5
• Output Voltage Min: 1.25V
• Output Voltage Max: 37V
• Operating Temperature Max: 125°C
• Switching Frequency: 52kHz

With its robust design and reliable performance, the LM2576T-ADJ is an excellent choice for designers seeking a compact and efficient power conversion solution.