LM2574HVM-ADJ

Voltage Regulators - DC DC Switching Regulators Overview

The LM2574HVM-ADJ is a high-voltage step-down switching regulator from Texas Instruments, part of the SIMPLE SWITCHER family. It operates with an input voltage range up to 60V and delivers a maximum output current of 500mA. The device features an adjustable output voltage controlled by external resistors. It utilizes a fixed internal switching frequency of 52kHz. The component supports both Buck and Inverting topologies. It is housed in a SOIC-Wide-14 package and functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated power switch capable of handling high input voltages for efficient step-down conversion
• Adjustable output voltage configuration via external feedback resistor network
• Fixed internal oscillator frequency simplifies external component selection and design

Voltage Regulators - DC DC Switching Regulators Applications

• Distributed power supply systems requiring high input voltage tolerance
• Pre-regulator stages for downstream switching regulators
• Battery-powered equipment utilizing high-voltage battery sources

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against the manufacturer datasheet to confirm pinout and electrical characteristics match the design requirements. Ensure the ordering information aligns with the desired packaging format. Cross-reference the revision level to guarantee compatibility with existing board layouts and thermal management strategies.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when an input voltage exceeds standard low-voltage regulator limits but remains below 60V. The adjustable output feature provides flexibility for various load requirements. Consider the thermal performance in the SOIC-Wide-14 package for the expected load current and ambient conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2574HV series, designed for high-voltage applications compared to the standard LM2574. It shares functional similarities with other SIMPLE SWITCHER regulators but offers extended input voltage capability. The series is known for ease of use and minimal external component count.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2574HVMX-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators FAQ

What topology options does the LM2574HVM-ADJ support?

The device supports Buck (step-down) and Inverting topologies.

How is the output voltage determined?

The output voltage is adjustable and set using an external resistor divider network connected to the feedback pin.