Is there a pin-compatible replacement for XL4005E1?

XL4015E1 shares the same TO263-5L package and pinout but is not a drop-in replacement. Its electrical characteristics, particularly the minimum input voltage and switching frequency, differ and require engineering review.

What risks should I check before replacing XL4005E1?

Key risks include: 1) Electrical: Ensure your system's minimum supply voltage is ≥8V. 2) Component changes: The different switching frequency will require recalculating and replacing the inductor and capacitors. 3) Functional: The minimum output voltage is higher (1.25V vs 0.8V).

XL4005E1 Alternatives, Datasheet & Cross Reference | XLSEMI

XL4005E1 is a 5A step-down DC-DC converter from XLSEMI in a TO263-5L package. Finding a direct replacement requires careful review of input voltage, output current, and switching frequency.

AI replacement insight

Electrical riskhigh

Higher min input voltage (8V vs 5V) and different switching frequency require redesign.

Package risklow

Package and pinout appear to match, but must be verified.

Can it be replaced directly?

No direct drop-in replacement was found. All candidates require circuit modification or have significant parametric differences.

Best replacement path

XL4015E1, with significant caveats and required redesign.

Main risk

The primary risk is the narrower input voltage range of the closest alternative (XL4015E1), which may not be compatible with all applications.

Recommended alternatives

A potential alternative in the same package, but with a narrower input voltage range and different switching frequency.

View details

Alternative comparison matrix

Feature / factor	XL4005E1	XL4015E1	Compatibility / risk
Package	TO263-5L	TO263-5L	TO263-5L — Package matches.
Voltage	5V to 32V	8V to 36V	8V to 36V — Minimum input voltage is higher (8V vs 5V).
Current	5A	5A	5A — Output current matches.
Frequency	300 kHz	180 kHz	180 kHz — Switching frequency differs, requires external component changes.
Temperature	-40°C to 125°C	-40°C to 125°C	-40°C to 125°C — Operating temperature range matches.

Application & sourcing insights

Questions & answers

XL4015E1 is a potential alternative from the same manufacturer in the same package, but it has a higher minimum input voltage (8V vs 5V) and different switching frequency (180kHz vs 300kHz), requiring circuit redesign.