TL2575-05IN

Voltage Regulators - DC DC Switching Regulators Overview

The TL2575-05IN is a fixed-output step-down switching voltage regulator manufactured by Texas Instruments. It provides a regulated 5V output with a maximum load current of 1A. The device operates from an input voltage range of 4.75V to 40V and utilizes a buck topology. Key electrical specifications include a typical switching frequency of 52kHz, a quiescent current of 5mA, and a line regulation of ±1%. It is designed for operation across an extended temperature range from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a monolithic switching regulator with a built-in 1A power switch for efficient step-down conversion.
• Features a fixed 5V output option eliminating the need for external feedback resistors.
• Includes internal frequency compensation and current limiting for simplified design and robust protection.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation in distributed power supply architectures
• Pre-regulation for linear post-regulator circuits
• Battery-powered systems requiring efficient voltage stepping

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'IN' confirms the PDIP-16 through-hole package variant. Confirm RoHS compliance status as per the latest manufacturer datasheet revision. Ensure the ordering part number matches the required fixed 5V output specification without additional functional suffixes that may alter pinout or performance characteristics.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a simple, cost-effective buck converter solution is required for 1A loads. It is suitable for designs prioritizing ease of implementation over high-frequency efficiency. Consider thermal management requirements due to the through-hole package and potential power dissipation at higher input-to-output voltage differentials.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TL2575 series of simple step-down switching regulators. It serves as a legacy alternative to newer synchronous buck converters, offering a robust and straightforward solution for moderate current applications where size constraints are less critical than simplicity and proven reliability.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct pin-compatible replacements within the same family include the TL2575-3.3IN (3.3V output) and TL2575-ADJIN (adjustable output). For surface-mount needs, the LM2575T series offers similar functionality in TO-220 packages.