Is there a pin-compatible replacement for LM2576S-5.0(UMW)?

The LM2596S-5.0 series in a TO-263 package is typically pin-compatible with the LM2576S-5.0. However, it is not a direct electrical drop-in replacement due to a different switching frequency. Always verify the pinout in the datasheets before replacing.

What risks should I check before replacing LM2576S-5.0(UMW)?

The main risk is the change in switching frequency from 52kHz to 150kHz. This requires re-evaluating external components (especially the inductor) to ensure stability, proper performance, and acceptable EMI. Using an adjustable (ADJ) version also requires adding a resistor divider.

LM2576S-5.0(UMW) Alternatives, Datasheet & Cross Reference | UMW

Find alternatives for the LM2576S-5.0(UMW), a 5V, 3A step-down regulator. Common replacements include the higher-frequency LM2596 series, which offer similar functionality but require engineering review.

AI replacement insight

Electrical riskmedium

Switching frequency change requires re-evaluating the inductor and capacitors.

Package risklow

The TO-263 package is standard, but cross-vendor variations should be checked.

Can it be replaced directly?

No direct drop-in replacement exists without review. The LM2596 series is functionally similar but operates at a higher switching frequency, which impacts external component selection.

Best replacement path

Use a 5V fixed output LM2596-series regulator, such as LM2596S-5.0(UMW), after an engineering review.

Main risk

The primary risk is the change in switching frequency from 52kHz to 150kHz, which can affect circuit stability, efficiency, and EMI performance if external components are not adjusted.

Recommended alternatives

Functional alternative with same package and ratings but higher switching frequency, requiring circuit review.

View details

Alternative comparison matrix

Feature / factor	LM2576S-5.0(UMW)	LM2596S-5.0(UMW)	LM2596S-ADJ(UMW)	XL2596S-5.0E1	Compatibility / risk
Package	TO-263	TO-263	-	-	TO263-5L — Package name differs slightly; likely compatible but requires verification.
Output Voltage	5.0V	5.0V	-	-	5.0V — Fixed 5V output matches.
Output Current	3.0A	3.0A	-	-	3.0A — Output current matches.
Switching Frequency	52 kHz	150 kHz	-	-	150 kHz — Higher frequency may require different external components.
Input Voltage	8V - 40V	4.75V - 40V	-	-	4.75V - 40V — Wider input range is compatible.

Application & sourcing insights

Questions & answers

The best alternative is likely LM2596S-5.0(UMW), as it shares the same manufacturer and package. However, it has a higher switching frequency (150kHz vs 52kHz), so you must review your external inductor and capacitors.