LM2574HVN-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2574HVN-ADJ/NOPB is a step-down switching voltage regulator from the LM2574HV series, manufactured by Texas Instruments. It operates with an input voltage range of 4 V to 60 V and provides an adjustable output voltage between 1.23 V and 57 V. The device delivers a maximum output current of 500 mA with a typical quiescent current of 5 mA. It utilizes a fixed switching frequency of 58 kHz and supports through-hole installation in an 8-pin PDIP package. The component functions reliably within an operating temperature range of -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Supports wide input voltage ranges up to 60 V for high-voltage applications
• Provides adjustable output voltage capability via external feedback resistors
• Integrates internal thermal shutdown and current limiting protection mechanisms

Voltage Regulators - DC DC Switching Regulators Applications

• High-voltage DC-DC conversion systems
• Industrial power supply designs
• Battery-powered equipment requiring efficient step-down regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the specific part number matches the required PDIP-8 through-hole package configuration. Confirm the adjustment pin functionality aligns with the target circuit design requirements. Ensure compliance with RoHS directives as indicated by the NOPB suffix. Cross-reference datasheet specifications against application constraints before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when input voltages exceed standard 40 V limits while maintaining a need for adjustable output levels. Consider the 500 mA current capacity against load requirements. Evaluate the 58 kHz switching frequency for electromagnetic interference compatibility. Assess the through-hole mounting preference against available PCB layout constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This regulator belongs to the LM2574HV family, designed specifically for high-voltage environments. It serves as a robust alternative to lower-voltage regulators in industrial settings. The SIMPLE SWITCHER architecture simplifies design implementation by minimizing external component counts. It complements other Texas Instruments power management solutions for comprehensive system integration.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2574HVN-5.0/NOPB offers a fixed 5 V output option within the same package and series. LM2574N-ADJ/NOPB provides similar functionality but with a reduced maximum input voltage rating of 40 V.