ME6231C18M5G
MICRONE
Needs validationhigh risk
A potential alternative in the same package, but with lower current, a different input voltage range, and reduced temperature rating.
Best Alternatives to LP3987H-18B5F
Find and compare potential alternatives for the LP3987H-18B5F, a 1.8V 600mA LDO regulator in a SOT23-5 package. All reviewed candidates require careful engineering review due to parametric differences.
AI replacement insight
Electrical riskhigh
All candidates have lower current, different voltage, and lower temperature ratings.
Package risklow
SOT23-5 package is consistent, but pinout must be verified.
Sourcing riskmedium
Candidates are from various vendors; availability and regional support may differ.
Can it be replaced directly?
No direct drop-in replacements were identified. All candidates are parametric downgrades requiring circuit validation.
Best replacement path
Parametric alternatives with lower current and voltage ratings.
Main risk
Electrical parameter mismatch, primarily lower output current and different input voltage and temperature ranges.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | LP3987H-18B5F | ME6231C18M5G | BL9165-180BARN | ETA5055V180DS2F | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOT23-5 | SOT23-5 | SOT23-5 | SOT23-5 | SOT23-5 / SOT-23-5 — Package matches, but pinout requires verification.; BL9165-180BARN: Package matches, but pinout requires verification.; ETA5055V180DS2F: Package matches, but pinout requires verification.; RT9013-18GB-MS: Package matches, but pinout requires verification. |
| Voltage | 2.5V - 6.0V | 3.0V - 18V | 1.8V - 5.5V | 1.8V - 5.5V | 3.0V - 18V / 1.8V - 5.5V / 2.2V - 5.5V — Higher minimum input voltage may not work in all circuits.; BL9165-180BARN: Lower maximum input voltage.; ETA5055V180DS2F: Lower maximum input voltage.; RT9013-18GB-MS: Lower maximum input voltage (from datasheet). |
| Current | 600mA | 500mA | 500mA | 500mA | 500mA — Candidate has lower output current.; BL9165-180BARN: Candidate has lower output current.; ETA5055V180DS2F: Candidate has lower output current.; RT9013-18GB-MS: Candidate has lower output current. |
| Temperature | -40°C to 125°C | -40°C to +85°C | -40°C to 85°C | -40°C to +85°C | -40°C to +85°C / -40°C to 85°C — Candidate has a narrower operating temperature range.; BL9165-180BARN: Candidate has a narrower operating temperature range.; ETA5055V180DS2F: Narrower operating temperature range (from datasheet).; RT9013-18GB-MS: Candidate has a narrower operating temperature range. |
Application & sourcing insights
Questions & answers
No direct drop-in replacement was found. Candidates like RT9013-18GB-MS are functional alternatives but have a lower 500mA output current, a lower max input voltage of 5.5V, and a reduced temperature range. Engineering validation is essential.