LM2590HVSX-5.0

Voltage Regulators - DC DC Switching Regulators Overview

The LM2590HVSX-5.0/NOPB is a SIMPLE SWITCHER power converter from Texas Instruments, designed as a step-down voltage regulator with a fixed 5 V output. It operates at a switching frequency of 150 kHz and supports an output current of 1 A. The device utilizes a TO-263-7 (DDPAK) surface-mount package and features a buck topology. It functions within an input voltage range of 4.5 V to 60 V and maintains operation across a temperature range of -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated monolithic controller for simplified design
• Fixed internal switching frequency reduces external component count
• Built-in thermal shutdown protection
• Standardized pinout for easy replacement

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power supply systems
• Direct conversion from bus voltages
• Pre-regulator circuits for switching regulators

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the suffix 'S' indicates the tape-and-reel packaging variant distinct from the tube-packaged 'LM2590HVS'. Confirm the '-5.0' designation matches the required fixed 5 V output specification. Ensure the 'NOPB' suffix confirms lead-free and RoHS compliance status prior to finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 1 A buck converter is required with a wide input voltage range up to 60 V. The fixed 5 V output eliminates the need for external feedback resistors. Choose the SMD TO-263-7 package for applications requiring efficient heat dissipation in space-constrained designs compared to through-hole alternatives.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2590HV series, which provides high-voltage step-down regulation capabilities. It shares architectural similarities with other SIMPLE SWITCHER products but is distinguished by its specific 1 A current rating and 150 kHz operating frequency, differentiating it from higher or lower current variants in the family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM2590HVS-5.0/NOPB serves as a direct functional substitute, differing primarily in tube packaging rather than electrical performance. Verify that any alternative components maintain the same 150 kHz frequency and 1 A current capacity to ensure circuit compatibility.