LM2596T-ADJ/LB05

Voltage Regulators - DC DC Switching Regulators Overview

The LM2596T-ADJ/LB05 is a SIMPLE SWITCHER step-down voltage regulator from Texas Instruments, operating at a fixed switching frequency of 150 kHz. It supports an input voltage range of 4.5 V to 40 V and delivers up to 3 A output current. The adjustable output voltage spans from 1.2 V to 37 V. Designed for through-hole installation in a TO-220-5 package, it functions within a temperature range of -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated monolithic converter simplifies design with minimal external components
• Built-in fixed-frequency oscillator eliminates need for external timing resistors
• Internal thermal shutdown protects against overheating under fault conditions
• On-chip feedback reference ensures tight output voltage regulation

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power supply systems requiring buck conversion
• Pre-regulators for switching regulators
• Efficient linear regulator replacements
• Battery-powered applications

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific LB05 suffix against the manufacturer datasheet to confirm pinout and marking variations. Ensure the component matches the required TO-220-5 through-hole package specifications. Cross-reference the part number with official Texas Instruments documentation to validate authenticity and compliance status before integration into production designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a robust, high-current buck converter is needed for through-hole PCB layouts. The adjustable output allows flexibility for various load requirements. Consider the thermal performance in the TO-220 package for heat dissipation needs. Compare against surface-mount alternatives if space constraints are critical.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2596 series of SIMPLE SWITCHER power converters. It shares core architecture with other variants like the LM2596T-ADJ/NOPB but differs in packaging or marking codes. The series is known for simplicity and reliability in medium-power DC-DC conversion applications.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

• LM2596T-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum output voltage capability?

The adjustable output voltage can be set up to 37 V.

Does the device include protection features?

Yes, it includes internal thermal shutdown and current limiting.