LM2597HVN-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2597HVN-ADJ/NOPB is a step-down switching regulator from Texas Instruments, part of the SIMPLE SWITCHER family. It operates with an input voltage range of 4.5 V to 60 V and delivers up to 500 mA output current. The device features a fixed switching frequency of 150 kHz and offers adjustable output voltages. It includes internal frequency compensation for stability and incorporates thermal shutdown protection. The component is housed in an 8-pin PDIP package and supports operation across a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-voltage power switch enables direct connection to high-voltage bus lines without external components.
• Fixed 150 kHz switching frequency allows for the use of small passive components to reduce overall solution size.
• Internal frequency compensation simplifies design requirements and ensures stable performance under varying load conditions.

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power systems requiring high-voltage input regulation
• Pre-regulation stages for downstream switching converters
• Battery-powered equipment utilizing high-voltage battery sources

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the specific ordering suffix matches the required package type, as the HV series utilizes distinct packaging compared to standard variants. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor declarations. Ensure the selected variant aligns with the necessary thermal management requirements for the intended operating environment.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when an input voltage exceeding 40 V is required, distinguishing it from the standard LM2597 series limited to lower inputs. Consider the 500 mA current limit against application demands; higher current needs may require the LM2592HV series. Evaluate the need for adjustable output versus fixed voltage options based on system design flexibility.

Voltage Regulators - DC DC Switching Regulators Part Context

This regulator belongs to the LM2597HV series, designed specifically for high-voltage applications within the SIMPLE SWITCHER product line. It serves as a robust alternative to traditional linear regulators by offering significantly higher efficiency during step-down conversion processes. The series is engineered for reliability in industrial and commercial power supply architectures.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2597HVM-ADJ/NOPB (SOIC-8 Package)

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum input voltage supported by this regulator?

The device supports a maximum input voltage of 60 V.

Does the LM2597HVN-ADJ include thermal protection?

Yes, the component incorporates thermal shutdown circuitry to protect against overheating.