LM2594HVM-3.3

Voltage Regulators - DC DC Switching Regulators Overview

The LM2594HVM-3.3 is a fixed-output step-down switching regulator from the LM2594HV series, manufactured by UMW. It operates with an input voltage range of 4.5V to 60V and provides a fixed 3.3V output at up to 1.5A. The device features a 150kHz switching frequency and includes internal compensation for minimal external component requirements. Packaged in an 8-SOP (SOIC-8) surface-mount case, it supports operation temperatures from -40°C to 125°C TJ.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-efficiency power transistor for direct load driving
• Fixed 150kHz oscillator with internal frequency compensation
• Built-in thermal shutdown and current limit protection functions

Voltage Regulators - DC DC Switching Regulators Applications

• LCD monitor and LCD TV power supplies
• Digital photo frame power regulation
• Set-top box DC-DC conversion
• ADSL modem voltage regulation
• Telecom and networking equipment power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer marking on the package matches UMW specifications. Confirm the suffix indicates the fixed 3.3V variant rather than adjustable or other voltage options. Check datasheet revisions for pinout consistency. Ensure storage conditions comply with moisture sensitivity level requirements before soldering.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this part when a stable 3.3V rail is required from higher input voltages up to 60V. The 1.5A current capability suits moderate load applications. Consider the 8-SOP package for space-constrained PCB layouts. Verify that the 150kHz frequency aligns with EMI constraints and inductor selection requirements for the specific design.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM2594 family of SIMPLE SWITCHER power converters. The HV designation indicates high-voltage input capability compared to standard variants. It is a monolithic integrated circuit designed for straightforward buck converter implementations with reduced external bill of materials.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2594HVMX-3.3/NOPB (Texas Instruments)

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum input voltage for the LM2594HVM-3.3?

The maximum input voltage is 60V.

Does the LM2594HVM-3.3 include internal compensation?

Yes, it includes an internal compensation block to minimize external component count.