LM2596T-5.0/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2596T-5.0/NOPB is a SIMPLE SWITCHER power converter from Texas Instruments, functioning as a 150 kHz step-down voltage regulator. It provides a fixed 5V output with a maximum load current of 3A. The device accepts an input voltage range of 4.5V to 40V. It utilizes a TO-220-5 through-hole package and operates within a temperature range of -40°C to +125°C. Key electrical specifications include a typical efficiency of 73% and a switching frequency of 150 kHz.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates internal frequency compensation and a fixed-frequency oscillator for simplified design
• Includes external shutdown capability with low standby current consumption
• Features thermal shutdown and current limiting protection mechanisms

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power supply systems
• Pre-regulators for switching linear regulators
• Efficient buck converters prior to post-regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'NOPB' indicates lead-free and RoHS compliance status. Confirm the 'T' designation corresponds to the TO-220-5 through-hole package variant rather than surface-mount options. Ensure the fixed 5.0V output version matches the circuit requirements instead of adjustable or other fixed voltage variants.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a robust 3A step-down solution is required with minimal external components. The fixed 5V output eliminates the need for feedback resistor networks used in adjustable versions. Consider the TO-220-5 package for applications requiring through-hole mounting and adequate thermal dissipation without additional heatsinking under moderate loads.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2596 series of monolithic integrated circuits designed for high-efficiency step-down switching regulators. The series offers fixed output voltages including 3.3V, 5V, and 12V, alongside an adjustable version. The LM2596T-5.0/NOPB specifically represents the through-hole, fixed 5V output iteration within this family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2596T-5.0

Voltage Regulators - DC DC Switching Regulators FAQ

What is the switching frequency of the LM2596T-5.0/NOPB?

The device operates at a fixed switching frequency of 150 kHz.

Does the LM2596T-5.0/NOPB support external shutdown?

Yes, it includes an ON/OFF pin that allows for external shutdown control, typically resulting in low standby current.