ProjectsPricingInsights

Best Alternatives to MT3540-F23

Package: SOT23-5AeroPower Management (PMIC)Input Voltage: 2.5V to 5.5VOutput Voltage: Up to 28VOutput Current (Max): 1.5ASwitching Frequency: 1.2MHzQuiescent Current: 40μA

MT3540-F23 is a SOT23-5 boost converter. Current catalog evidence does not support a verified pin-compatible replacement.

AI replacement insight

Electrical riskhigh

VOUT, current and frequency differ.

Package riskmedium

Package matches but pinout is missing.

Firmware risklow

No digital control shown.

Sourcing riskmedium

Candidate lifecycle is unclear.

Can it be replaced directly?

No verified pin-compatible replacement is supported by the provided evidence.

Best replacement path

Review ME2110C50M5G only for fixed 5V boost rails; otherwise search for 28V-capable boost converters.

Main risk

Pinout and boost power capability are unverified.

Recommended alternatives

1
ME2110C50M5G package
ME2110C50M5G

MICRONE

Needs validationhigh risk

ME2110C50M5G may suit fixed 5V boost uses, but it is not a confirmed MT3540-F23 drop-in.

View details

Alternative comparison matrix

Feature / factorMT3540-F23ME2110C50M5GAlt 2Alt 3Compatibility / risk
PackageSOT23-5SOT23-5SOT23-5 — Same package only.
PinoutNot providedNot providedNot provided — No pin map evidence.
VoltageVIN 2.5-5.5V; VOUT up to 28VVIN 0.9-6.0V; VOUT 5VVIN 0.9-6.0V; VOUT 5V — Fixed 5V boost.
Current1.5A maxMissingMissing — Load rating unknown.
Application1.2MHz boost converter310kHz PFM boost310kHz PFM boost — Loop and magnetics change.

Application & sourcing insights

Questions & answers

From the provided candidates, ME2110C50M5G is the only same-topology boost option, but it needs FAE review.