LM2594HVM-ADJ

Voltage Regulators - DC DC Switching Regulators Overview

The LM2594HVM-ADJ is a high-voltage adjustable step-down switching regulator manufactured by UMW. It operates with an input voltage range of 4.5V to 60V and provides an adjustable output voltage from 1.23V to 57V. The device delivers a continuous output current of 1.5A at a fixed switching frequency of 150kHz. It utilizes a buck topology in an 8-SOP surface-mount package. The component supports operation across a junction temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a power switch and oscillator for simplified design with minimal external components
• Features internal frequency compensation to reduce circuit complexity
• Includes thermal shutdown and current limiting protection mechanisms

Voltage Regulators - DC DC Switching Regulators Applications

• Telecommunications equipment
• Network devices
• Set-top boxes
• ADSL modems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer designation as UMW, distinct from Texas Instruments variants. Confirm the specific suffix indicates the high-voltage (HV) version capable of 60V input. Ensure the package type matches the required 8-SOP form factor. Check RoHS compliance status against project requirements. Validate the adjustable output configuration matches system needs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range up to 60V is required. Choose the adjustable variant for flexible output voltage settings. Consider the 1.5A current capability for moderate load applications. Evaluate the 150kHz frequency for balancing efficiency and component size. Verify thermal management capabilities for the target operating environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2594 series of SIMPLE SWITCHER power converters. It represents the high-voltage variant designed for broader input ranges compared to standard versions. The series is known for reducing design effort through integrated features. It serves as a cost-effective solution for DC/DC conversion tasks.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2594M-ADJ offers similar functionality but with a lower maximum input voltage rating of 40V. LM2594HVMX-ADJ/NOPB is a Texas Instruments equivalent with comparable specifications. Verify pin compatibility and thermal performance when substituting.