LM2590HVSX-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2590HVSX-ADJ/NOPB is a SIMPLE SWITCHER power converter from Texas Instruments, functioning as a step-down voltage regulator. It operates with an input voltage range of 4.5 V to 60 V and provides an adjustable output voltage between 1.23 V and 57 V. The device delivers a maximum output current of 1 A at a fixed switching frequency of 150 kHz. It utilizes a TO-263-7 (DDPAK/TO-263) surface-mount package and supports an operating junction temperature range from -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated monolithic buck converter topology for efficient step-down regulation
• Internal power switch rated for high-voltage input applications up to 60 V
• Adjustable output voltage capability via external feedback network
• Built-in thermal shutdown and current limiting protection mechanisms

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power supply architectures requiring high input voltage tolerance
• Battery-powered systems utilizing high-voltage battery packs
• Industrial control equipment power management modules
• Telecommunications infrastructure power distribution units

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix configuration against the manufacturer's latest datasheet to ensure compatibility with specific design requirements. Confirm RoHS compliance status and lead times directly with authorized distributors or Texas Instruments representatives prior to ordering. Ensure proper handling procedures are followed due to moisture sensitivity classification.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits that require a robust buck converter capable of handling input voltages significantly higher than standard 40 V regulators. The adjustable output feature allows flexibility in setting precise voltage levels using external resistors. Consider the thermal performance of the TO-263 package and ensure adequate PCB copper area for heat dissipation under full load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2590HV series, which extends the functionality of the standard LM2590 family by supporting higher input voltages up to 60 V. It shares the same 150 kHz switching frequency and control architecture but is optimized for high-voltage step-down applications. The 'SX' indicates the surface-mount TO-263 package, while 'ADJ' denotes the adjustable output version.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct replacements include LM2590HVSX-ADJ-NOPB. Verify pinout and electrical specifications match before substitution.