LM2590HVSX-5.0/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2590HVSX-5.0/NOPB is a SIMPLE SWITCHER power converter from Texas Instruments, operating at a fixed switching frequency of 150 kHz. It provides a fixed output voltage of 5 V with a maximum output current of 1 A. The device utilizes a Buck topology and accepts an input voltage range from 4.5 V to 60 V. It is housed in a TO-263-7 (DDPAK) surface-mount package. The component supports operation over an extended temperature range from -40 °C to +125 °C and features a typical quiescent current of 5 mA.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated monolithic controller for simplified step-down design
• Internal high-frequency power switch rated for 1 A load current
• Fixed internal oscillator ensures stable 150 kHz switching operation
• Thermal shutdown protection prevents damage during overload conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power supply systems requiring efficient voltage conversion
• Pre-regulator stages for downstream switching regulators
• Battery-powered equipment utilizing high-voltage input sources
• On-card regulation for logic levels and peripheral interfaces

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'S' indicates tape-and-reel packaging versus tube variants. Confirm RoHS compliance status through official datasheets as regulatory updates may occur. Ensure the ordering part number matches the required output voltage tolerance and thermal performance specifications for the target application environment.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5 V output is required from a wide input voltage range up to 60 V. The 1 A current capability suits moderate load applications where efficiency is prioritized over linear regulator simplicity. Consider the TO-263-7 package for adequate heat dissipation without external heatsinks under typical operating conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2590HV series, designed for high-voltage step-down conversion. It complements other SIMPLE SWITCHER devices like the LM2596 by offering higher input voltage tolerance. The series targets cost-sensitive designs needing reliable regulation with minimal external component count.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2590HVS-5.0/NOPB offers identical electrical characteristics but differs in packaging format.