LM2591HVT-5.0

Voltage Regulators - DC DC Switching Regulators Overview

The LM2591HVT-5.0 is a SIMPLE SWITCHER power converter from Texas Instruments, functioning as a step-down voltage regulator with a fixed 5.0 V output. It operates at a switching frequency of 150 kHz and supports an input voltage range of 4.5 V to 60 V. The device delivers up to 1 A of output current and features a typical quiescent current of 5 mA. Designed for robust performance, it functions within a temperature range of -40°C to +125°C and utilizes a TO-220-5 through-hole package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated monolithic buck topology for efficient step-down conversion
• Fixed 5.0 V output option eliminates external resistor networks
• High efficiency operation enabled by internal power switch
• Thermal shutdown protection ensures operational safety

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power supply architectures
• On-card regulation modules
• Post-regulation for bus distribution systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the suffix 'HVT' confirms the high-voltage capability and TO-220-5 through-hole package configuration. Ensure the '-5.0' designation matches the required fixed 5 V output specification. Confirm RoHS compliance status via the specific manufacturer datasheet or ordering information provided by the supplier.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5 V output is required from an input source between 4.5 V and 60 V. The 1 A current rating suits moderate load applications. The TO-220-5 package facilitates thermal management in through-hole designs. Consider adjustable variants if non-standard voltages are needed.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2591HV series of SIMPLE SWITCHER converters. It shares core architecture with other members like the LM2592HV and LM2596, differing primarily in maximum output current ratings and specific package options. The HV designation indicates extended input voltage tolerance compared to standard series components.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

• LM2591HVT-ADJ
• LM2591HVSX-5.0/NOPB

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum input voltage supported by the LM2591HVT-5.0?

The device supports a maximum input voltage of 60 V.

Does the LM2591HVT-5.0 include overcurrent protection?

Yes, the device incorporates cycle-by-cycle current limiting to protect against short circuits and overload conditions.