LM2575HVN-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2575HVN-ADJ/NOPB is a high-voltage step-down switching voltage regulator manufactured by Texas Instruments. It operates with an input voltage range up to 60 V and delivers a maximum output current of 1 A. The device features an adjustable output voltage, typically ranging from 1.23 V to the input limit minus dropout. It utilizes a fixed internal switching frequency of approximately 52 kHz. The component is housed in a TO-263-5 surface-mount package and supports operation across an extended temperature range from -40 °C to +125 °C junction temperature.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated buck topology for efficient DC-DC conversion
• High input voltage capability suitable for wide-range power supplies
• Built-in thermal shutdown and current limiting protection

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial control systems requiring isolated or non-isolated power rails
• Automotive electronics operating on 12V or 24V battery architectures
• Distributed power supply architectures in telecommunications equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'HV' indicates high-voltage rating compared to standard LM2575 variants. Confirm RoHS compliance status via the manufacturer datasheet. Ensure the supplier provides original TI documentation matching the part number LM2575HVN-ADJ/NOPB to avoid counterfeit components. Check for moisture sensitivity level requirements during storage and handling.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when input voltages exceed the 40 V limit of standard LM2575 series devices. The adjustable output version offers flexibility for custom voltage requirements. Consider the thermal performance of the TO-263 package under full load conditions. Verify that the required output current does not exceed 1 A continuous rating.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the SIMPLE SWITCHER family of monolithic integrated circuits designed for easy implementation of switching regulators. The LM2575 series is known for reducing external component count through built-in frequency compensation. The HV variant specifically extends the input voltage range to accommodate higher bus voltages common in industrial and automotive applications.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2575HX-ADJ/NOPB: Standard voltage version limited to 40 V input; verify input voltage constraints before substitution.