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ME6231A33PG

Public Unreviewed

by Ray

MICRONE Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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ME6231A33PG

MICRONE · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3

ME6231A33PG from MICRONE, in a SOT-89-3. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 Vss power_in Device ground / common return. Connect to system ground with a low-impedance path close to the input and output bypass capacitors.
2 VIN power_in Unregulated power input, 3 V to 18 V operating range (20 V absolute max). Bypass to Vss with a ceramic capacitor (10 µF recommended, X7R/X5R) placed close to the pin for stability and transient response.
3 VOUT power_out Regulated 3.3 V output (±1% accuracy), up to 500 mA. Bypass to Vss with a 10 µF ceramic capacitor (X7R/X5R) for load-transient response and stability; the ME6231 is stable with low-ESR ceramic output capacitors. Includes active discharge and internal current-limit / thermal-shutdown protection.

Key specifications

Parameter Value
Manufacturer MICRONE
Package SOT-89-3
Category PMIC
Pins 3

Ordering variants

Same part, different packaging or reel option.

  • ME6231A33PG
  • ME6231A33PGA33M3G
  • ME6231A33PGC18M5G
  • ME6231A33PGC33M5G

CAD (KiCad official)

  • Symbol: ME6231A33PG
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3 (KiCad packages3D, STEP)

3D model downloads

Two STEP files. Same geometry, different body top:

File Size Use it when
me6231a33pg.step 57 KB You want the bare part, or you mark your own boards.
me6231a33pg-etched.step 1.8 MB You want the part with ME6231A33PG already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 458 faces against 42 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: MICRONE datasheet (11 pp, sha256 ed816d826236b3bb, retrieved 2026-08-17, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF